National United States Regulations 40 CFR PART 464—METAL MOLDING AND CASTING POINT SOURCE CATEGORY PART 464—METAL MOLDING AND CASTING POINT SOURCE CATEGORY Authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501 of the Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (the “Act”); 33 U.S.C. 1311, 1314 (b), (c), (e) and (g), 1316 (b) and (c), 1317 (b) and (c), 1318, and 1361; 86 Stat. 816, Pub. L. 92–500; 91 Stat. 1567, Pub. L. 95–217. Source: 50 FR 45247, Oct. 30, 1985, unless otherwise noted. General Provisions top § 464.01 Applicability. top (a) This part applies to metal molding and casting facilities that discharge or may discharge pollutants to waters of the United States or that introduce pollutants into a publicly owned treatment works. § 464.02 General definitions. top In addition to the definitions set forth in 40 CFR part 401, the following definitions apply to this part: (a) Aluminum casting. The remelting of aluminum or an aluminum alloy to form a cast intermediate or final product by pouring or forcing the molten metal into a mold, except for ingots, pigs, or other cast shapes related to nonferrous (primary and secondary) metals manufacturing (40 CFR part 421) and aluminum forming (40 CFR part 467). Processing operations following the cooling of castings not covered under aluminum forming, except for grinding scrubber operations which are covered here, are covered under the electroplating and metal finishing point source categories (40 CFR parts 413 and 433). (b) Copper casting. The remelting of copper or a copper alloy to form a cast intermediate or final product by pouring or forcing the molten metal into a mold, except for ingots, pigs, or other cast shapes related to nonferrous (primary and secondary) metals manufacturing (40 CFR part 421). Also excluded are casting of beryllium alloys in which beryllium is present at 0.1 or greater percent by weight and precious metals alloys in which the precious metal is present at 30 or greater percent by weight. Except for grinding scrubber operations which are covered here, processing operations following the cooling of castings are covered under the electroplating and metal finishing point source categories (40 CFR parts 413 and 433). (c) Ferrous casting. The remelting of ferrous metals to form a cast intermediate or finished product by pouring the molten metal into a mold. Except for grinding scrubber operations which are covered here, processing operations following the cooling of castings are covered under the electroplating and metal finishing point source categories (40 CFR parts 413 and 433). (d) Zinc casting. The remelting of zinc or zinc alloy to form a cast intermediate or final product by pouring or forcing the molten metal into a mold, except for ingots, pigs, or other cast shapes related to nonferrous (primary) metals manufacturing (40 CFR part 421) and nonferrous metals forming (40 CFR part 471). Processing operations following the cooling of castings not covered under nonferrous metals forming are covered under the electroplating and metal finishing point source categories (40 CFR parts 413 and 433). (e) POTW shall mean “publicly owned treatment works.” (f) A non-continuous discharger is a plant which does not discharge pollutants during specific periods of time for reasons other than treatment plant upset, such periods being at least 24 hours in duration. A typical example of a non-continuous discharger is a plant where wastewaters are routinely stored for periods in excess of 24 hours to be treated on a batch basis. For non-continuous discharging direct discharging plants, NPDES permit authorities shall apply the mass-based annual average effluent limitations or standards and the concentration-based maximum day and maximum for monthly average effluent limitations or standards established in the regulations. POTWs may elect to establish concentration-based standards for non-continuous discharges to POTWs. They may do so by establishing concentration-based pretreatment standards equivalent to the mass-based standards provided in §§464.15, 464.16, 464.25, 464.26, 464.35, 464.36, 464.45, and 464.46 of the regulations. Equivalent concentration standards may be established by following the procedures outlined in §464.03(b). (g) Total phenols shall mean total phenolic compounds as measured by the procedure listed in 40 CFR part 136 (distillation followed by colorimetric—4AAP). (h) Sm 3 shall mean standard cubic meters. (i) SCF shall means standard cubic feet. (j) Total toxic organics (TTO) shall mean the sum of the mass of each of the toxic organic compounds which are found at a concentration greater than 0.010 mg/l. The specialized definitions for each subpart contain a discrete list of toxic organic compounds comprising TTO for each process segment in which TTO is regulated. § 464.03 Monitoring and reporting requirements. top (a) As an alternative to monitoring for TTO (total toxic organics), an indirect discharging plant may elect to monitor for Oil and Grease instead. Compliance with the Oil and Grease standard shall be considered equivalent to complying with the TTO standard. Alternate Oil and Grease standards are provided as substitutes for the TTO standards provided in §§464.15, 464.16, 464.25, 464.26, 464.35, 464.36, 464.45, and 464.46. (b) POTWs may establish concentration standards rather than mass standards, but must ensure that the concentration standards are exactly equivalent to the mass-based standards provided in §§464.15, 464.16, 464.25, 464.26, 464.35, 464.36, 464.45, and 464.46. Equivalent concentration standards may be determined by multiplying the mass-based standards included in the regulations by an appropriate measurement of average production, raw material usage, or air scrubber flow (kkg of metal poured, kkg of sand reclaimed, or standard cubic meters of air scrubbed) and dividing by an appropriate measure of average discharge flow to the POTW, taking into account the proper conversion factors to ensure that the units (mg/l) are correct. (c) The “monthly average” regulatory values shall be the basis for the monthly average effluent limitations guidelines and standards in direct discharge permits and for pretreatment standards. Compliance with the monthly average effluent limitations guidelines and standards is required regardless of the number of samples analyzed and averaged. § 464.04 Compliance date for PSES. top The compliance date of PSES is October 31, 1988. Subpart A—Aluminum Casting Subcategory top § 464.10 Applicability; description of the aluminum casting subcategory. top The provisions of this subpart are applicable to discharges to waters of the United States and to the introduction of pollutants into publicly owned treatment works resulting from aluminum casting operations as defined in §464.02(a). § 464.11 Specialized definitions. top For the purpose of this subpart: (a) Total toxic organics (TTO). TTO is a regulated parameter under PSES (§464.15) and PSNS (§464.16) for the aluminum subcategory and is comprised of a discrete list of toxic organic pollutants for each process segment where it is regulated, as follows: (1) Casting Quench (§464.15(b) and §464.16(b)): 4. benzene 21. 2,4,6-trichlorophenol 22. Para-chloro meta-cresol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 65. phenol 66. bis(2-ethylhexyl) phthalate 67. butyl benzyl phthalate 84. pyrene 85. tetrachloroethylene 87. trichloroethylene (2) Die Casting (§464.15(c) and §464.16(c)): 1. acenaphthene 4. benzene 7. chlorobenzene 11. 1,1,1-trichloroethane 21. 2,4,6-trichlorophenol 22. para-chloro meta-cresol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 55. naphthalene 65. phenol 66. bis(2-ethylhexyl) phthalate 67. butyl benzyl phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 72. benzo (a)anthracene (1,2-benzanthracene) 73. benzo (a)pyrene (3,4-benzopyrene) 76. chrysene 78. anthracene 80. fluorene 81. phenanthrene 84. pyrene 85. tetrachloroethylene 86. toluene (3) Dust Collection Scrubber (§464.15(d) and §464.16(d)): 1. acenaphthene 21. 2,4,6-trichlorophenol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 65. phenol 66. bis (2-ethylhexyl) phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 73. benzo (a)pyrene (3,4-benzopyrene) 84. pyrene (4) Investment Casting (§464.15(f) and §464.16(f)): 11. 1,1,1-trichloroethane 23. chloroform (trichloromethane) 44. methylene chloride (dichloromethane) 66. bis (2-ethylhexyl) phthalate 84. pyrene 85. tetrachloroethylene 87. trichloroethylene (5) Melting Furnace Scrubber (§464.15(g) and §464.16(g)): 1. acenaphthene 21. 2,4,6-trichlorophenol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 65. phenol 66. bis (2-ethylhexyl) phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 73. benzo (a)pyrene (3,4-benzopyrene) 84. pyrene (6) Mold Cooling (§464.15(h) and §464.16(h)): 4. benzene 21. 2,4,6-trichlorophenol 22. para-chloro meta-cresol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride 65. phenol 66. bis(2-ethylhexyl) phthalate 67. butyl benzyl phthalate 84. pyrene 85. tetrachloroethylene 87. trichloroethylene § 464.12 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. top Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available, except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent limitations for copper, lead, zinc, total phenols, oil and grease, and TSS. For non-continuous dischargers, annual average mass limitations and maximum day and maximum for monthly average concentration (mg/l) limitations shall apply. Concentration limitation and annual average mass limitation shall only apply to non-continuous dischargers. (a) Casting Cleaning Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0771 0.0421 Lead (T).................................... 0.0791 0.039 Zinc (T).................................... 0.114 0.0431 Oil & grease............................ 3.0 1.0 TSS......................................... 3.80 1.50 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.00 at all times. ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l)\2\ (mg/l)\2\ Copper (T)............................ 0.77 0.42 0.017 Lead (T).............................. 0.79 0.39 0.022 Zinc (T).............................. 1.14 0.43 0.027 Oil & grease...................... 30 10 0.501 TSS................................... 38 15 1.0 pH.................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (12/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (b) Casting Quench Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0093 0.0051 Lead (T).................................... 0.0096 0.0047 Zinc (T).................................... 0.0138 0.0052 Oil & grease............................ 0.363 0.121 TSS......................................... 0.46 0.182 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l)\2\ (mg/l)\2\ Copper (T).......................... 0.77 0.42 0.0021 Lead (T)............................ 0.79 0.39 0.0027 Zinc (T)............................ 1.14 0.43 0.0033 Oil & grease.................... 30 10 0.0605 TSS................................. 38 15 0.121 pH.................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1.45/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (c) Die Casting Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0066 0.0036 Lead (T).................................... 0.0068 0.0034 Zinc (T).................................... 0.0098 0.0037 Total Phenols............................... 0.0074 0.0026 Oil & Grease............................ 0.259 0.0864 TSS......................................... 0.33 0.13 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ With the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l) (mg/l) (\2\) (\2\) Copper (T).......................... 0.77 0.42 0.0015 Lead (T)............................ 0.79 0.39 0.0019 Zinc (T)............................ 1.14 0.43 0.0023 Total Phenols....................... 0.86 0.3 0.0017 Oil & Grease.................... 30 10 0.0432 TSS................................. 38 15 0.0864 pH.................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1.04/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times, (d) Dust Collection Scrubber Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed --------------------------- Copper (T).................................. 0.231 0.126 Lead (T).................................... 0.237 0.117 Zinc (T).................................... 0.343 0.129 Total Phenols............................... 0.258 0.09 Oil & Grease............................ 9.01 3.0 TSS......................................... 11.4 4.51 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l)\2\ mg/ l)\2\ Copper (T)............................. 0.77 0.42 0.0511 Lead (T)............................... 0.79 0.39 0.0661 Zinc (T)............................... 1.14 0.43 0.0811 Total Phenols.......................... 0.86 0.3 0.0601 Oil & Grease....................... 30 10 1.5 TSS.................................... 38 15 3.0 pH..................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 million SM\3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.036/x) where x is the actual normalized process waste-water flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (e) Grinding Scrubber Operations. No discharge of process wastewater pollutants to navigable waters. (f) Investment Casting. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 8.48 4.63 Lead (T).................................... 8.7 4.3 Zinc (T).................................... 12.6 4.74 Oil and grease.............................. 330 110 TSS......................................... 419 165 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l)\2\ (mg/l)\2\ Copper (T)........................... 0.77 0.42 1.87 Lead (T)............................. 0.79 0.39 2.42 Zinc (T)............................. 1.14 0.43 2.97 Oil and grease....................... 30 10 55.1 TSS.................................. 38 15 110 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (g) Melting Furnace Scrubber Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed --------------------------- Copper (T).................................. 3.01 1.64 Lead (T).................................... 3.09 1.52 Zinc (T).................................... 4.45 1.68 Total phenols............................... 3.36 1.17 Oil and grease.............................. 117 39.1 TSS......................................... 148 58.6 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)............................ 0.77 0.42 0.664 Lead (T).............................. 0.79 0.39 0.859 Zinc (T).............................. 1.14 0.43 1.05 Total phenols......................... 0.86 0.3 0.781 Oil and grease........................ 30 10 19.5 TSS................................... 38 15 39.1 pH.................................... (\2\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.468/x) where x is the acutal normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (h) Mold Cooling Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.297 0.162 Lead (T).................................... 0.305 0.151 Zinc (T).................................... 0.44 0.166 Oil and grease.............................. 11.6 3.86 TSS......................................... 14.7 5.79 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Maximum for monthly Annual any 1 day average average \1\ ------------------------------------------------------------------------ (mg/l) \1\ (mg/) \1\ Copper (T)..................... 0.77 0.42 0.0656 Lead (T)....................... 0.79 0.39 0.0849 Zinc (T)....................... 1.14 0.43 0.104 Oil and grease................. 30 10 1.93 TSS............................ 38 15 3.86 pH............................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal \2\ These concentrations must be multiplied by the ratio of (46.3/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. [50 FR 45247, Oct. 30, 1985; 51 FR 21760, June 16, 1986] § 464.13 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. top Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable, except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent limitations for copper, lead, zinc, and total phenols. For non-continuous dischargers, annual average mass limitations and maximum day and maximum for monthly average concentration (mg/l) limitations shall apply. Concentration limitations and annual average mass limitations shall only apply to non-continuous dischargers. (a) Casting Cleaning Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.0771 0.0421 Lead (T).................................. 0.0791 0.039 Zinc (T).................................. 0.114 0.0431 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)............................. 0.77 0.42 0.017 Lead (T)............................... 0.79 0.39 0.022 Zinc (T)............................... 1.14 0.43 0.027 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\These concentrations must be multiplied by the ratio of (12/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (b) Casting Quench Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0093 0.0051 Lead (T).................................... 0.0096 0.0047 Zinc (T).................................... 0.0138 0.0052 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)............................. 0.77 0.42 0.0021 Lead (T)............................... 0.79 0.39 0.0027 Zinc (T)............................... 1.14 0.43 0.0033 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\These concentrations must be multiplied by the ratio of (1.45/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (c) Die Casting Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0066 0.0036 Lead (T).................................... 0.0068 0.0034 Zinc (T).................................... 0.0098 0.0037 Total Phenols............................... 0.0074 0.0026 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)............................. 0.77 0.42 0.0015 Lead (T)............................... 0.79 0.39 0.0019 Zinc (T)............................... 1.14 0.43 0.0023 Total Phenols.......................... 0.86 0.3 0.0017 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1.04/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (d) Dust Collection Scrubber Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed --------------------------- Copper (T).................................. 0.231 0.126 Lead (T).................................... 0.237 0.117 Zinc (T).................................... 0.343 0.129 Total Phenols............................... 0.258 0.09 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)............................. 0.77 0.42 0.0511 Lead (T)............................... 0.79 0.39 0.0661 Zinc (T)............................... 1.14 0.43 0.0811 Total Phenols.......................... 0.86 0.3 0.0601 ------------------------------------------------------------------------ \1\ kg/62.3 million Sm\3\ (lb per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.036/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. (e) Grinding Scrubber Operations. No discharge of process wastewater pollutants to navigable waters. (f) Investment Casting. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 8.48 4.63 Lead (T).................................... 8.7 4.3 Zinc (T).................................... 12.6 4.74 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)............................. 0.77 0.42 1.87 Lead (T)............................... 0.79 0.39 2.42 Zinc (T)............................... 1.14 0.43 2.97 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (g) Melting Furnace Scrubber Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed --------------------------- Copper (T).................................. 3.01 1.64 Lead (T).................................... 3.09 1.52 Zinc (T).................................... 4.45 1.68 Total phenols............................... 3.36 1.17 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)............................ 0.77 0.42 0.664 Lead (T).............................. 0.79 0.39 0.859 Zinc (T).............................. 1.14 0.43 1.05 Total phenols......................... 0.86 0.3 0.781 ------------------------------------------------------------------------ \1\ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed \2\ These concentrations must be multiplied by the ratio of (0.468/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. (h) Mold Cooling Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.297 0.162 Lead (T).................................... 0.305 0.151 Zinc (T).................................... 0.44 0.166 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum Maximum for for any 1 monthly Annual day average average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................ 0.77 0.42 0.0656 Lead (T).......................... 0.79 0.39 0.0849 Zinc (T).......................... 1.14 0.43 0.104 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (46.3/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. [50 FR 45247, Oct. 30, 1985; 51 FR 21760, June 16, 1986] § 464.14 New source performance standards. top Any new source subject to this subpart must achieve the following new source performance standards (NSPS), except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent standards for copper, lead, zinc, total phenols, oil and grease, and TSS. For non-continuous dischargers, annual average mass standards and maximum day and maximum for monthly average concentration (mg/l) standards shall apply. Concentration standards and annual average mass standards shall only apply to non-continuous dischargers. (a) Casting Cleaning Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0771 0.0421 Lead (T).................................... 0.0791 0.039 Zinc (T).................................... 0.114 0.0431 Oil and grease.............................. 3.0 1.0 TSS......................................... 3.8 1.5 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum Maximum for for any 1 monthly Annual day average average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................ 0.77 0.42 0.017 Lead (T).......................... 0.79 0.39 0.022 Zinc (T).......................... 1.14 0.43 0.027 Oil and grease.................... 30 10 0.501 TSS............................... 38 15 1.0 pH................................ (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (12/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (b) Casting Quench Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0093 0.0051 Lead (T).................................... 0.0096 0.0047 Zinc (T).................................... 0.0138 0.0052 Oil and grease.............................. 0.363 0.121 TSS......................................... 0.46 0.182 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.77 0.42 0.0021 Lead (T)............................. 0.79 0.39 0.0027 Zinc (T)............................. 1.14 0.43 0.0033 Oil and grease....................... 30 10 0.0605 TSS.................................. 38 15 0.121 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1.45/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (c) Die Casting Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly one 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0066 0.0036 Lead (T).................................... 0.0068 0.0034 Zinc (T).................................... 0.0098 0.0037 Total Phenols............................... 0.0074 0.0026 Oil and grease.............................. 0.259 0.0864 TSS and..................................... 0.33 0.13 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.77 0.42 0.0015 Lead (T)............................. 0.79 0.39 0.0019 Zinc (T)............................. 1.14 0.43 0.0023 Total phenols........................ 0.86 0.3 0.0017 Oil and grease....................... 30 10 0.0432 TSS and.............................. 38 15 0.0864 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1.04/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) \3\ Within the range of 7.0 to 10.0 at all times. (d) Dust Collection Scrubber Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant of pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed ----------------------------- Cooper (T)................................ 0.231 0.126 Lead (T).................................. 0.237 0.117 Zinc (T).................................. 0.343 0.129 Total phenols............................. 0.258 0.09 Oil and grease............................ 9.01 3.0 TSS....................................... 11.4 4.51 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Cooper (T)........................... 0.77 0.42 0.0511 Lead (T)............................. 0.79 0.39 0.0661 Zinc (T)............................. 1.14 0.43 0.0811 Total phenols........................ 0.86 0.3 0.0601 Oil and grease....................... 30 10 1.5 TSS.................................. 38 15 3.0 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.036/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (e) Grinding Scrubber Operations. No discharge of process wastewater pollutants to navigable waters. (f) Investment Casting. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 8.48 4.63 Lead (T).................................. 8.7 4.3 Zinc (T).................................. 12.6 4.74 Oil and grease............................ 330 110 TSS....................................... 419 165 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 1.87 Lead (T)........................... 0.79 0.39 2.42 Zinc (T)........................... 1.14 0.43 2.97 Oil and grease..................... 30 10 55.1 TSS................................ 38 15 110 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured \2\ These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (g) Melting Furnace Scrubber Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 3.01 1.64 Lead (T).................................. 3.09 1.52 Zinc (T).................................. 4.45 1.68 Total phenols............................. 3.36 1.17 Oil and grease............................ 117 39.1 TSS....................................... 148 58.6 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.664 Lead (T)........................... 0.79 0.39 0.859 Zinc (T)........................... 1.14 0.43 1.05 Total phenols...................... 0.86 0.3 0.781 Oil and grease..................... 30 10 19.5 TSS................................ 38 15 39.1 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.468/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (h) Mold Cooling Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.297 0.162 Lead (T).................................. 0.305 0.151 Zinc (T).................................. 0.44 0.166 Oil and grease............................ 11.6 3.86 TSS....................................... 14.7 5.79 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l)\2\ (mg/l)\2\ Copper (T)......................... 0.77 0.42 0.0656 Lead (T)........................... 0.79 0.39 0.0849 Zinc (T)........................... 1.14 0.43 0.104 Oil and grease..................... 30 10 1.93 TSS................................ 38 15 3.86 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds of metal poured. \2\ These concentrations must be multiplied by the ratio of (46.3/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. [50 FR 45247, Oct. 30, 1985; 51 FR 21760, June 16, 1986] § 464.15 Pretreatment standards for existing sources. top Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. (a) Casting Cleaning Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0771 0.0421 Lead (T).................................... 0.0791 0.039 Zinc (T).................................... 0.114 0.0431 ------------------------------------------------------------------------ (b) Casting Quench Operation. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0093 0.0051 Lead (T).................................... 0.0096 0.0047 Zinc (T).................................... 0.0138 0.0052 TT0......................................... 0.029 0.0095 Oil and grease (for alternate monitoring)... 0.363 0.121 ------------------------------------------------------------------------ (c) Die Casting Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0066 0.0036 Lead (T).................................... 0.0068 0.0034 Zinc (T).................................... 0.0098 0.0037 Total phenols............................... 0.0074 0.0026 TTO......................................... 0.0308 0.01 Oil and grease (for alternate monitoring)... 0.259 0.0864 ------------------------------------------------------------------------ (d) Dust Collection Scrubber Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.231 0.126 Lead (T).................................. 0.237 0.117 Zinc (T).................................. 0.343 0.129 Total phenols............................. 0.258 0.09 TTO....................................... 0.613 0.2 Oil and grease (for alternate monitoring). 9.01 3.00 ------------------------------------------------------------------------ (e) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW. (f) Investment Casting. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 8.48 4.63 Lead (T).................................... 8.7 4.3 Zinc (T).................................... 12.6 4.74 TTO......................................... 18.1 5.91 Oil and grease (for alternate monitoring.... 330 110 ------------------------------------------------------------------------ (g) Melting Furnace Scrubber Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed --------------------------- Copper (T).................................. 3.01 1.64 Lead (T).................................... 3.09 1.52 Zinc (T).................................... 4.45 1.68 Total phenols............................... 3.36 1.17 TTO......................................... 7.97 2.6 Oil and grease (for alternate monitoring)... 117 39.1 ------------------------------------------------------------------------ (h) Mold Cooling Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.297 0.162 Lead (T).................................. 0.305 0.151 Zinc (T).................................. 0.44 0.166 TTO....................................... 0.935 0.304 Oil and grease (for alternate monitoring). 11.6 3.86 ------------------------------------------------------------------------ [50 FR 45247, Oct. 30, 1985; 51 FR 21760, June 16, 1986] § 464.16 Pretreatment standards for new sources. top Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. (a) Casting Cleaning Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0771 0.0421 Lead (T).................................... 0.0791 0.039 Zinc (T).................................... 0.114 0.0431 ------------------------------------------------------------------------ (b) Casting Quench Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0093 0.0051 Lead (T).................................... 0.0096 0.0047 Zinc (T).................................... 0.0138 0.0052 TTO......................................... 0.029 0.0095 Oil and grease (for alternate monitoring)... 0.363 0.121 ------------------------------------------------------------------------ (c) Die Casting Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0066 0.0036 Lead (T).................................... 0.0068 0.0034 Zinc (T).................................... 0.0098 0.0037 Total Phenols............................... 0.0074 0.0026 TTO......................................... 0.0308 0.01 Oil and grease (for alternate monitoring)... 0.259 0.0864 ------------------------------------------------------------------------ (d) Dust Collection Scrubber Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.231 0.126 Lead (T).................................. 0.237 0.117 Zinc (T).................................. 0.343 0.129 Total Phenols............................. 0.258 0.09 TTO....................................... 0.613 0.2 Oil and grease (for alternate monitoring). 9.01 3.0 ------------------------------------------------------------------------ (e) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW. (f) Investment Casting. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 8.48 4.63 Lead (T).................................... 8.7 4.3 Zinc (T).................................... 12.6 4.74 TTO......................................... 18.1 5.91 Oil and grease (for alternate monitoring)... 330 110 ------------------------------------------------------------------------ (g) Melting Furnace Scrubber Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed --------------------------- Copper (T).................................. 3.01 1.64 Lead (T).................................... 3.09 1.52 Zinc (T).................................... 4.45 1.68 Total Phenols............................... 3.36 1.17 TTO......................................... 7.97 2.6 Oil and grease (for alternate monitoring)... 117 39.1 ------------------------------------------------------------------------ (h) Mold Cooling Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.297 0.162 Lead (T).................................. 0.305 0.151 Zinc (T).................................. 0.44 0.166 TTO....................................... 0.935 0.304 Oil and grease (for alternate monitoring). 11.6 3.86 ------------------------------------------------------------------------ § 464.17 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology. [Reserved] top Subpart B—Copper Casting Subcategory top § 464.20 Applicability; description of the copper casting subcategory. top The provisions of this subpart are applicable to discharges to waters of the United States and to the introduction of pollutants into publicly owned treatment works resulting from copper casting operations as defined in §464.02(b). § 464.21 Specialized definitions. top For the purpose of this subpart: (a) Total Toxic Organics (TTO). TTO is a regulated parameter under PSES (§464.25) and PSNS (§464.26) for the copper subcategory and is comprised of a discrete list of toxic organic pollutants for each process segment where it is regulated, as follows: (1) Casting Quench (§464.25(a) and §464.26(a)): 23. chloroform (trichloromethane) 64. pentachlorophenol 66. bis(2-ethylhexyl)phthalate 71. dimethyl phthalate (2) Dust Collection Scrubbers (§464.25(c) and 464.26(c)): 1. acenaphthene 22. para-chloro meta-cresol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 55. naphthalene 58. 4-nitrophenol 64. pentachlorophenol 65. phenol 66. bis(2-ethylhexyl)phthalate 67. butyl benzyl phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 71. dimethyl phthalate 72. benzo(a)anthracene (1,2-benzanthracene) 74. 3,4-benzofluoranthene 75. benzo(k) fluoranthene 76. chrysene 77. acenaphthylene 78. anthracene 81. phenanthrene 84. pyrene (3) Investment Casting (§464.25(e) and §464.26(e)): 1. acenaphthene 22. para-chloro meta-cresol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 55. naphthalene 58. 4-nitrophenol 64. pentachlorophenol 65. phenol 66. bis (2-ethylhexyl)phthalate 67. butyl benzyl phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 71. dimethyl phthalate 72. benzo(a)anthracene (1,2-benzanthracene) 74. 3,4-benzofluoranthene 75. benzo(k) fluoranthene 76. chrysene 77. acenaphthylene 78. anthracene 81. Phenanthrene 84. pyrene (4) Melting Furnace Scrubber (§464.25(f) and §464.26(f)): 1. acenaphthene 22. para-chloro meta-cresol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 55. naphthalene 58. 4-nitrophenol 64. pentachlorophenol 65. phenol 66. bis (2-ethylhexyl) phthalate 67. butyl benzyl phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 71. dimethyl phthalate 72. benzo(a)anthracene (1,2-benzanthracene) 74. 3,4-benzoflouranthene 75. benzo(k) flouranthene 76. chrysene 77. acenaphthylene 78. anthracene 81. phenanthrene 84. pyrene (5) Mold Cooling (§464.25(g) and §464.26(g)): 23. chloroform (trichloromethane) 64. pentachlorophenol 66. bis(2-ethylhexyl)phthalate 71. dimethyl phthalate § 464.22 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. top Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available, except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent limitations for copper, lead, zinc, total phenols, oil and grease, and TSS. For non-continuous dischargers, annual average mass limitations and maximum day and maximum for monthly average concentration (mg/l) limitations shall apply. Concentration limitations and annual average mass limitations shall only apply to non-continuous dischargers. (a) Casting Quench Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0307 0.0168 Lead (T).................................... 0.0315 0.0156 Zinc (T).................................... 0.0455 0.0171 Oil and grease.............................. 1.2 0.399 TSS......................................... 1.52 0.598 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.0068 Lead (T)........................... 0.79 0.39 0.0088 Zinc (T)........................... 1.14 0.43 0.0108 Oil and grease..................... 30 10 0.199 TSS................................ 38 15 0.399 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1000 kkg (pounds per million pounds) of metal poured \2\ These concentrations must be multiplied by the ratio of (4.8/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (b) Direct Chill Casting Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.928 0.506 Lead (T).................................. 0.952 0.47 Zinc (T).................................. 1.37 0.518 Oil and grease............................ 36.2 12.1 TSS....................................... 45.8 18.1 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.205 Lead (T)........................... 0.79 0.39 0.265 Zinc (T)........................... 1.14 0.43 0.326 Oil and grease..................... 30 10 6.03 TSS................................ 38 15 12.1 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (145/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (c) Dust Collection Scrubber Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.553 0.301 Lead (T).................................. 0.567 0.28 Zinc (T).................................. 0.818 0.309 Total phenols............................. 0.617 0.215 Oil and grease............................ 21.5 7.18 TSS....................................... 27.3 10.8 ph........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.122 Lead (T)........................... 0.79 0.39 0.158 Zinc (T)........................... 1.14 0.43 0.194 Total phenols...................... 0.86 0.3 0.144 Oil and grease..................... 30 10 3.59 TSS................................ 38 15 7.18 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.086/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to navigable waters. (e) Investment Casting. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 8.48 4.63 Lead (T).................................. 8.7 4.3 Zinc (T).................................. 12.6 4.74 Oil and grease............................ 330 110 TSS....................................... 419 165 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 1.87 Lead (T)........................... 0.79 0.39 2.42 Zinc (T)........................... 1.14 0.43 2.97 Oil and grease..................... 30 10 55.1 TSS................................ 38 15 110 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (f) Melting Furnace Scrubber Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.81 0.988 Lead (T).................................. 1.86 0.918 Zinc (T).................................. 2.68 1.01 Total phenols............................. 2.02 0.706 Oil and grease............................ 70.6 23.5 TSS....................................... 89.4 35.3 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.4 Lead (T)........................... 0.79 0.39 0.518 Zinc (T)........................... 1.14 0.43 0.635 Total phenols...................... 0.86 0.3 0.467 Oil and grease..................... 30 10 11.8 TSS................................ 38 15 23.5 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 million Sm\3\ (pound per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.282/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (g) Mold Cooling Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.392 0.214 Lead (T).................................. 0.402 0.199 Zinc (T).................................. 0.58 0.219 Oil and grease............................ 15.3 5.09 TSS....................................... 19.3 7.63 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.0865 Lead (T)........................... 0.79 0.39 0.112 Zinc (T)........................... 1.14 0.43 0.137 Oil and grease..................... 30 10 2.54 TSS................................ 38 15 5.09 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (61/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. [50 FR 45247, Oct. 30, 1985; 51 FR 21760, June 16, 1986] § 464.23 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. top Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable, except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent limitations for copper, lead, zinc, and total phenols. For non-continuous discharges, annual average mass limitations and maximum day and maximum for monthly average concentration (mg/l) limitations shall apply. Concentration limitations and annual average mass limitations shall only apply to non-continuous dischargers. (a) Casting Quench Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ------------------------- Copper (T).................................... 0.0307 .0168 Lead (T)...................................... 0.0211 .0104 Zinc (T)...................................... 0.0303 .0116 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l) (mg/l) \2\ \2\ Copper (T)............................ 0.77 0.42 0.0068 Lead (T).............................. 0.53 0.26 0.006 Zinc (T).............................. 0.76 0.29 0.0072 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (4.8/x) where x is the actual normalized process waste-water flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (b) Direct Chill Casting Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.928 0.506 Lead (T).................................... 0.639 0.314 Zinc (T).................................... 0.916 0.35 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l) (mg/l) \2\ \2\ Copper (T)............................. 0.77 0.42 0.205 Lead (T)............................... 0.53 0.26 0.181 Zinc (T)............................... 0.76 0.29 0.217 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (145/x) where x is the actual normalized process waste-water flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (c) Dust Collection Scrubber Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.553 0.301 Lead (T).................................. 0.38 0.187 Zinc (T).................................. 0.545 0.208 Total phenols............................. 0.617 0.215 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.122 Lead (T)........................... 0.53 0.26 0.108 Zinc (T)........................... 0.76 0.29 0.129 Total phenols...................... 0.86 0.3 0.144 ------------------------------------------------------------------------ \1\ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.086/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. (d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to navigable waters. (e) Investment Casting. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 8.48 4.63 Lead (T).................................. 5.84 2.86 Zinc (T).................................. 8.37 3.19 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 1.87 Lead (T)........................... 0.53 0.26 1.65 Zinc (T)........................... 0.76 0.29 1.98 ------------------------------------------------------------------------ \1\ kg/1000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (f) Melting Furnace Scrubber Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.81 0.988 Lead (T).................................. 1.25 0.612 Zinc (T).................................. 1.79 0.673 Total phenols............................. 2.02 0.706 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.4 Lead (T)........................... 0.53 0.26 0.353 Zinc (T)........................... 0.76 0.29 0.424 Total phenols...................... 0.86 0.3 0.471 ------------------------------------------------------------------------ \1\ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.282/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. (g) Mold Cooling Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.392 0.214 Lead (T).................................. 0.27 0.132 Zinc (T).................................. 0.387 0.148 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................ 0.77 0.42 0.0865 Lead (T).......................... 0.53 0.26 0.0763 Zinc (T).......................... 0.76 0.29 0.0916 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (61/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. [50 FR 45247, Oct. 30, 1985; 51 FR 21761, June 16, 1986] § 464.24 New source performance standards. top Any new source subject to this subpart must achieve the following new source performance standards (NSPS), except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent standards for copper, lead, zinc, total phenols, oil and grease, and TSS. For non-continuous dischargers, annual average mass standards and maximum day and maximum for monthly average concentration (mg/l) standards shall apply. Concentration standards and annual average mass standards shall only apply to non-continuous dischargers. (a) Casting Quench Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0307 0.0168 Lead (T).................................... 0.0211 0.0104 Zinc (T).................................... 0.0303 0.0116 Oil and grease.............................. 1.2 0.399 TSS......................................... 0.598 0.479 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.0068 Lead (T)........................... 0.53 0.26 0.006 Zinc (T)........................... 0.76 0.29 0.0072 Oil and grease..................... 30 10 0.199 TSS................................ 15 12 0.104 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (4.8/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (b) Direct Chill Casting Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.928 0.506 Lead (T).................................. 0.639 0.314 Zinc (T).................................. 0.916 0.35 Oil and grease............................ 36.2 12.1 TSS....................................... 18.1 14.5 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.77 0.42 0.205 Lead (T)............................. 0.53 0.26 0.181 Zinc (T)............................. 0.76 0.29 0.217 Oil and grease....................... 30 10 6.03 TSS.................................. 15 12 3.13 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (145/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (c) Dust Collection Scrubber Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.553 0.301 Lead (T).................................. 0.38 0.187 Zinc (T).................................. 0.545 0.208 Total phenols............................. 0.617 0.215 Oil and grease............................ 21.5 7.18 TSS....................................... 10.8 8.61 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.122 Lead (T)........................... 0.53 0.26 0.108 Zinc (T)........................... 0.76 0.29 0.129 Total phenols...................... 0.86 0.3 0.144 Oil and grease..................... 30 10 3.59 TSS................................ 15 12 1.87 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.086/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to navigable waters. (e) Investment Casting. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per millions pounds) of metal poured ----------------------------- Copper (T)................................ 8.48 4.63 Lead (T).................................. 5.84 2.86 Zinc (T).................................. 8.37 3.19 Oil and grease............................ 330 110 TSS....................................... 165 132 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ mg/l) \2\ Copper (T)......................... 0.77 0.42 1.87 Lead (T)........................... 0.53 0.26 1.65 Zinc (T)........................... 0.76 0.29 1.98 Oil and grease..................... 30 10 55.1 TSS................................ 15 12 28.6 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (f) Melting Furnace Scrubber Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.81 0.988 Lead (T).................................. 1.25 0.612 Zinc (T).................................. 1.79 0.673 Total phenols............................. 2.02 0.706 Oil and grease............................ 70.6 23.5 TSS....................................... 35.3 28.2 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.4 Lead (T)........................... 0.53 0.26 0.353 Zinc (T)........................... 0.76 0.29 0.424 Total phenols...................... 0.86 0.3 0.471 Oil and grease..................... 30 10 11.8 TSS................................ 15 12 6.12 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 Sm \3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.282/x) where x is the actual normalized process waste-water flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (g) Mold Cooling Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.392 0.214 Lead (T).................................. 0.27 0.132 Zinc (T).................................. 0.387 0.148 Oil and grease............................ 15.3 5.09 TSS....................................... 7.63 6.11 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/1) \2\ (mg/1) \2\ Copper (T)........................... 0.77 0.42 0.0865 Lead (T)............................. 0.53 0.26 0.0763 Zinc (T)............................. 0.76 0.29 0.0916 Oil and grease....................... 30 10 2.54 TSS.................................. 15 12 1.32 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pound) of metal poured. \2\ These concentrations must be multiplied by the ratio of (61/x) where x is the actual normalized process waste-water flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. [50 FR 45247, Oct. 30, 1985; 51 FR 21761, June 16, 1986] § 464.25 Pretreatment standards for existing sources. top Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. (a) Casting Quench Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0307 0.0168 Lead (T).................................... 0.0211 0.0104 Zinc (T).................................... 0.0303 0.0116 TTO......................................... 0.0335 0.0109 Oil and grease (for alternate monitoring)... 1.2 0.399 ------------------------------------------------------------------------ (b) Direct Chill Casting Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.928 0.506 Lead (T).................................. 0.639 0.314 Zinc (T).................................. 0.916 0.35 ------------------------------------------------------------------------ (c) Dust Collection Scrubber Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.552 0.301 Lead (T).................................. 0.38 0.187 Zinc (T).................................. 0.545 0.208 Total phenols............................. 0.617 0.215 TTO....................................... 1.65 0.54 Oil and grease (for alternate monitoring). 21.5 7.18 ------------------------------------------------------------------------ (d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW. (e) Investment Casting. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 8.48 4.63 Lead (T).................................. 5.84 2.86 Zinc (T).................................. 8.37 3.19 TTO....................................... 25.4 8.29 Oil and grease for alternate monitoring).. 330 110 ------------------------------------------------------------------------ (f) Melting Furnace Scrubber Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.81 0.988 Lead (T).................................. 1.25 0.612 Zinc (T).................................. 1.79 0.673 Total phenols............................. 2.02 0.706 TTO....................................... 5.41 1.77 Oil and grease (for alternate monitoring). 70.6 23.5 ------------------------------------------------------------------------ (g) Mold Cooling Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.392 0.214 Lead (T).................................. 0.27 0.132 Zinc (T).................................. 0.387 0.148 TTO....................................... 0.428 0.14 Oil and grease (for alternate monitoring). 15.3 5.09 ------------------------------------------------------------------------ § 464.26 Pretreatment standards for new sources. top Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. (a) Casting Quench Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0307 0.0168 Lead (T).................................... 0.0211 0.0104 Zinc (T).................................... 0.0303 0.0116 TTO......................................... 0.0335 0.0109 Oil and grease (for alternate monitoring)... 1.2 0.399 ------------------------------------------------------------------------ (b) Direct Chill Casting Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.928 0.506 Lead (T).................................. 0.639 0.314 Zinc (T).................................. 0.916 0.35 ------------------------------------------------------------------------ (c) Dust Collection Scrubber Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 Million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.552 0.301 Lead (T).................................. 0.38 0.187 Zinc (T).................................. 0.545 0.208 Total Phenols............................. 0.617 0.215 TTO....................................... 1.65 0.54 Oil and Grease (for alternate monitoring.. 21.5 7.18 ------------------------------------------------------------------------ (d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW. (e) Investment Casting. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ---------------------------- Copper (T)................................. 8.48 4.63 Lead (T)................................... 5.84 2.86 Zinc (T)................................... 8.37 3.19 TTO........................................ 25.4 8.29 Oil and Grease (for alternate monitoring... 330 110 ------------------------------------------------------------------------ (f) Melting Furnace Scrubber Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.81 0.988 Lead (T).................................. 1.25 0.612 Zinc (T).................................. 1.79 0.673 Total Phenols............................. 2.02 0.706 TTO....................................... 5.41 1.77 Oil and Grease (for alternate monitoring.. 70.6 23.5 ------------------------------------------------------------------------ (g) Mold Cooling Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.392 0.214 Lead (T).................................. 0.27 0.132 Zinc (T).................................. 0.387 0.148 TTO....................................... 0.428 0.14 Oil and Grease (for alternate monitoring.. 15.3 5.09 ------------------------------------------------------------------------ § 464.27 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology. [Reserved] top Subpart C—Ferrous Casting Subcategory top § 464.30 Applicability; description of the ferrous casting subcategory. top The provisions of this subpart are applicable to discharges to waters of the United States and to the introduction of pollutants into publicly owned treatment works resulting from ferrous casting operations as defined in §464.02(c). § 464.31 Specialized definitions. top For the purpose of this subpart: (a) Total Toxic Organics (TTO). TTO is a regulated parameter under PSES (§464.35) and PSNS (§464.36) for the ferrous subcategory and is comprised of a discrete list of toxic organic pollutants for each process segment where it is regulated, as follows: (1) Casting Quench (§464.35(b) and §464.36(b)): 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol (2) Dust Collection Scrubber (§464.35(c) and §464.36(b)): 1. acenaphthene 23. chloroform (trichloromethane) 31. 2,4-dichlorophenol 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 55. naphthalene 64. pentachlorophenol 65. phenol 66. bis(2-ethylhexyl)phthalate 67. butyl benzyl phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 71. dimethyl phthalate 72. benzo (a)anthracene (1,2-benzanthracene) 76. chrysene 77. acenaphthylene 78. anthracene 80. fluorene 81. phenanthrene 84. pyrene (3) Investment Casting (§464.35(e) and §464.36(e)): 23. chloroform (trichloromethane) 44. methylene chloride (dichloromethane) 66. bis (2-ethylhexyl) phthalate 77. acenaphthylene 84. pyrene (4) Melting Furnace Scrubber (§464.35(f) and §464.36(f)): 23. chloroform (trichloromethane) 31. 2,4-dichlorophenol 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 55. naphthalene 65. phenol 66. bis (2-ethylhexyl) phthalate 67. butyl benzyl phthalate 68. di-n-butyl phthalate 72. benzo (a)anthracene (1,2-benzanthracene) 76. chrysene 77. acenaphthylene 78. anthracene 80. fluorene 81. phenanthrene 84. pyrene (5) Mold Cooling (§464.35(g) and §464.36(g)): 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol (6) Slag Quench (§464.35(h) and §464.36(h)): 34. 2,4-dimethylphenol 71. dimethyl phthalate (7) Wet Sand Reclamation (§464.35(i) and §464.36(i)): 1. acenaphthene 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 55. naphthalene 65. phenol 66. bis (2-ethylhexyl) phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 71. dimethyl phthalate 72. benzo(a)anthracene (1,2-benzanthracene) 77. acenaphthylene 84. pyrene (b) Cast Iron. An iron containing carbon in excess of the solubility in the austentite that exists in the alloy at the eutectic temperature. Cast iron also is defined here to include any iron-carbon alloys containing 1.2 percent or more carbon by weight. (c) Ductile Iron. A cast iron that has been treated while molten with a master alloy containing an element such as magnesium or cerium to induce the formation of free graphite as nodules or spherules, which imparts a measurable degree of ductility to the cast metal. (d) Gray Iron. A cast iron that gives a gray fracture due to the presence of flake graphite. (e) Malleable Iron. A cast iron made by a prolonged anneal of white cast iron in which decarburization or graphitization, or both, take place to eliminate some or all of the cementite. Graphite is present in the form of temper carbon. (f) Steel. An iron-base alloy containing carbon, manganese, and often other alloying elements. Steel is defined here to include only those iron-carbon alloys containing less than 1.2 percent carbon by weight. (g) The “primary metal cast” shall mean the metal that is poured in the greatest quantity at an individual plant. (h) Multiple Ferrous Melting Furnace Scrubber Configuration. A multiple ferrous melting furnace scrubber configuration is a configuration where two or more discrete wet scrubbing devices are employed in series in a single melting furnace exhaust gas stream. The ferrous melting furnace scrubber mass allowance shall be given to each discrete wet scrubbing device that has an associated wastewater discharge in a multiple ferrous melting furnace scrubber configuration. The mass allowance for each discrete wet scrubber shall be identical and based on the air flow of the exhaust gas stream that passes through the multiple scrubber configuration. (i) Discrete Wet Scrubbing Device. A discrete wet scrubbing device is a distinct, stand-alone device that removes particulates and fumes from a contaminated gas stream by bringing the gas stream into contact with a scrubber liquor, usually water, and from which there is a wastewater discharge. Examples of discrete wet scrubbing devices are: Spray towers and chambers, venturi scrubbers (fixed and variable), wet caps, packed bed scrubbers, quenchers, and orifice scrubbers. Semi-wet scrubbing devices where water is added and totally evaporates prior to dry air pollution control are not considered to be discrete wet scrubbing devices. Ancillary scrubber operations such as fan washes and backwashes are not considered to be discrete wet scrubber devices. These ancillary operations are covered by the mass limitations of the associated scrubber. Aftercoolers are not considered to be discrete wet scrubbing devices, and water discharges from aftercooling are not regulated as a process wastewater in this category. § 464.32 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. top Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available, except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/1,000 kkg or lb/million lb of sand reclaimed; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent limitations for copper, lead, zinc, total phenols, oil and grease, and TSS. For non-continuous dischargers, annual average mass limitations and maximum day and maximum for monthly average concentration (mg/l) limitations shall apply. Concentration limitations and annual average mass limitations shall only apply to non-continuous dischargers. (a) Casting Cleaning Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0129 0.0071 Lead (T).................................... 0.0353 0.0174 Zinc (T).................................... 0.0656 0.025 Oil and grease.............................. 1.34 0.446 TSS......................................... 1.7 0.67 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0029 Lead (T)............................. 0.79 0.39 0.0098 Zinc (T)............................. 1.47 0.56 0.0179 Oil and grease....................... 30 10 0.223 TSS.................................. 38 15 0.446 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio (5.33/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (b) Casting Quench Operations BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0138 0.0076 Lead (T).................................... 0.0376 0.0185 Zinc (T).................................... 0.0699 0.0266 Oil and grease.............................. 1.43 0.476 TSS......................................... 1.81 0.713 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0031 Lead (T)............................. 0.79 0.39 0.0105 Zinc (T)............................. 1.47 0.56 0.019 Oil and grease....................... 30 10 0.238 TSS.................................. 38 15 0.476 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (5.7/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (c) Dust Collection Scrubber Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.218 0.12 Lead (T).................................. 0.593 0.293 Zinc (T).................................. 1.1 0.421 Total phenols............................. 0.656 0.225 Oil and grease............................ 22.5 7.51 TSS....................................... 28.5 11.3 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0488 Lead (T)............................. 0.79 0.39 0.165 Zinc (T)............................. 1.47 0.56 0.3 Total phenols........................ 0.86 0.3 0.15 Oil and grease....................... 30 10 3.76 TSS.................................. 38 15 7.51 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio (0.090/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to navigable waters. (e) Investment Casting. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 3.19 1.76 Lead (T).................................. 8.7 4.3 Zinc (T).................................. 16.2 6.17 Oil and grease............................ 330 110 TSS....................................... 419 165 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ ......... Copper (T)......................... 0.29 0.16 0.716 Lead (T)........................... 0.79 0.39 2.42 Zinc (T)........................... 1.47 0.56 4.41 Oil and grease..................... 30 10 55.1 TSS................................ 38 15 110 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (f) Melting Furnace Scrubber Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.02 0.561 Lead (T).................................. 2.77 1.37 Zinc (T).................................. 5.15 1.96 Total phenols............................. 3.01 1.05 Oil and grease............................ 105 35 TSS....................................... 133 52.6 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.29 0.16 0.228 Lead (T)........................... 0.79 0.39 0.771 Zinc (T)........................... 1.47 0.56 1.4 Total phenols...................... 0.86 0.3 0.701 Oil and grease..................... 30 10 17.5 TSS................................ 38 15 35 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 million Sm\3\ (pounds per billion SCF) or air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.42/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (g) Mold Cooling Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.0428 0.0236 Lead (T).................................. 0.117 0.0576 Zinc (T).................................. 0.217 0.0827 Oil and grease............................ 4.43 1.48 TSS....................................... 5.61 2.22 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0096 Lead (T)............................. 0.79 0.39 0.0325 Zinc (T)............................. 1.47 0.56 0.0591 Oil and grease....................... 30 10 0.738 TSS.................................. 38 15 1.48 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured \2\ These concentrations must be multiplied by the ratio of (17.7/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\Within the range of 7.0 to 10.0 at all times. (h) Slag Quench Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Cooper (T).................................. 0.0527 0.0291 Lead (T).................................... 0.144 0.0709 Zinc (T).................................... 0.267 0.102 Oil and grease.............................. 5.46 1.82 TSS......................................... 6.91 2.73 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0118 Lead (T)............................. 0.79 0.39 0.04 Zinc (T)............................. 1.47 0.56 0.0728 Oil and grease....................... 30 10 0.909 TSS.................................. 38 15 1.82 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (21.8/x) where x is the actual normalized process wasterwater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (i) Wet Sand Reclamation Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of sand reclaimed ----------------------------- Cooper (T)................................ 0.217 0.12 Lead (T).................................. 0.59 0.291 Zinc (T).................................. 1.1 0.418 Total phenols............................. 0.642 0.224 Oil and grease............................ 22.4 7.47 TSS....................................... 28.4 11.2 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Cooper (T)........................... 0.29 0.16 0.0485 Lead (T)............................. 0.79 0.39 0.164 Zinc (T)............................. 1.47 0.56 0.299 Total phenols........................ 0.86 0.3 0.149 Oil and grease....................... 30 10 3.73 TSS.................................. 38 15 7.47 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of sand reclaimed. \2\ These concentrations must be multiplied by the ratio of (89.5/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of sand reclaimed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. [50 FR 45247, Oct. 30, 1985; 51 FR 21761, June 16, 1986] § 464.33 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. top Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable, except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/1,000 kkg or lb/million lb of sand reclaimed; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent limitations for copper, lead, zinc, and total phenols. For non-continuous dischargers, annual average mass limitations and maximum day and maximum for monthly average concentration (mg/l) limitations shall apply. Concentration limitations and annual average mass limitations shall only apply to non-continuous dischargers. (a) Casting Cleaning Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0129 0.0071 Lead (T).................................... 0.0237 0.0116 Zinc (T).................................... 0.0437 0.0165 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ ....... Copper (T)............................. 0.29 0.16 0.0029 Lead (T)............................... 0.53 0.26 0.0067 Zinc (T)............................... 0.98 0.37 0.0116 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (5.33/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0129 0.0071 Lead (T).................................... 0.0353 0.0174 Zinc (T).................................... 0.0656 0.025 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)............................. 0.29 0.16 0.0029 Lead (T)............................... 0.79 0.39 0.0098 Zinc (T)............................... 1.47 0.56 0.0179 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (5.33/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (b) Casting Quench Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/100 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0138 0.0076 Lead (T).................................... 0.0252 0.0124 Zinc (T).................................... 0.0466 0.0176 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l)\2\ (mg/l)\2\ Copper (T)........................... 0.29 0.16 0.0031 Lead (T)............................. 0.53 0.26 0.0071 Zinc (T)............................. 0.98 0.37 0.0124 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (5.7/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0138 0.0076 Lead (T).................................... 0.0376 0.0185 Zinc (T).................................... 0.0699 0.0266 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l)\2\ (mg/l)\2\ Copper (T)........................... 0.29 0.16 0.0031 Lead (T)............................. 0.79 0.39 0.0105 Zinc (T)............................. 1.47 0.56 0.019 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (5.7/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (c) Dust Collection Scrubber Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.218 0.12 Lead (T).................................. 0.398 0.195 Zinc (T).................................. 0.736 0.278 Total phenols............................. 0.646 0.225 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l)\2\ (mg/l)\2\ Copper (T)........................... 0.29 0.16 0.0488 Lead (T)............................. 0.53 0.26 0.113 Zinc (T)............................. 0.98 0.37 0.195 Total phenols........................ 0.86 0.3 0.15 ------------------------------------------------------------------------ \1\ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.09/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.218 0.12 Lead (T).................................. 0.593 0.293 Zinc (T).................................. 1.1 0.421 Total phenols............................. 0.656 0.225 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l)\2\ (mg/l)\2\ Copper (T)........................... 0.29 0.16 0.0488 Lead (T)............................. 0.79 0.39 0.165 Zinc (T)............................. 1.47 0.56 0.3 Total phenols........................ 0.86 0.3 0.15 ------------------------------------------------------------------------ \1\ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.09/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. (d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to navigable waters. (e) Investment Casting. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 3.19 1.76 Lead (T).................................. 5.84 2.86 Zinc (T).................................. 10.8 4.07 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.29 0.16 0.716 Lead (T)........................... 0.53 0.26 1.65 Zinc (T)........................... 0.98 0.37 2.86 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 3.19 1.76 Lead (T).................................. 8.7 4.3 Zinc (T).................................. 16.2 6.17 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.29 0.16 0.716 Lead (T)........................... 0.79 0.39 2.42 Zinc (T)........................... 1.47 0.56 4.41 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (f) Melting Furnace Scrubber Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.02 0.561 Lead (T).................................. 1.86 0.911 Zinc (T).................................. 3.44 1.3 Total Phenols............................. 3.01 1.05 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ ......... Copper (T)......................... 0.29 0.16 0.228 Lead (T)........................... 0.53 0.26 0.526 Zinc (T)........................... 0.98 0.37 0.911 Total Phenols...................... 0.86 0.3 0.701 ------------------------------------------------------------------------ \1\ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed \2\ These concentrations must be multiplied by the ratio of (0.42/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.02 0.561 Lead (T).................................. 2.77 1.37 Zinc (T).................................. 5.15 1.96 Total Phenols............................. 3.01 1.05 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ ......... Copper (T)......................... 0.29 0.16 0.228 Lead (T)........................... 0.79 0.39 0.771 Zinc (T)........................... 1.47 0.56 1.4 Total Phenols...................... 0.86 0.3 0.701 ------------------------------------------------------------------------ \1\ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.42/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. (g) Mold Cooling Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0428 0.0236 Lead (T).................................... 0.0783 0.0384 Zinc (T).................................... 0.145 0.0546 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0096 Lead (T)............................. 0.53 0.26 0.0222 Zinc (T)............................. 0.98 0.37 0.0384 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (17.7/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0428 0.0236 Lead (T).................................... 0.117 0.0576 Zinc (T).................................... 0.217 0.0827 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0096 Lead (T)............................. 0.79 0.39 0.0325 Zinc (T)............................. 1.47 0.56 0.0591 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (17.7/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (h) Slag Quench Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0527 0.0291 Lead (T).................................... 0.0964 0.0473 Zinc (T).................................... 0.178 0.0673 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0118 Lead (T)............................. 0.53 0.26 0.0273 Zinc (T)............................. 0.98 0.37 0.0473 ------------------------------------------------------------------------ \1\ Kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (21.8/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0527 0.0291 Lead (T).................................... 0.144 0.0709 Zinc (T).................................... 0.267 0.102 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0118 Lead (T)............................. 0.79 0.39 0.04 Zinc (T)............................. 1.47 0.56 0.0728 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (21.8/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (i) Wet Sand Reclamation Operations. (1) Applicable to plants that are casting primarily ductible or gray iron and to plants that are casting malleable iron where greater than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of sand reclaimed ----------------------------- Copper (T)................................ 0.217 0.12 Lead (T).................................. 0.396 0.194 Zinc (T).................................. 0.732 0.276 Total Phenols............................. 0.642 0.224 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.29 0.16 0.0485 Lead (T)........................... 0.53 0.26 0.112 Zinc (T)........................... 0.98 0.37 0.194 Total Phenols...................... 0.86 0.3 0.149 ------------------------------------------------------------------------ \1\ kg/1000 kkg (pounds per million pounds) of sand reclaimed. \2\ These concentrations must be multiplied by the ratio of (89.5/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of sand reclaimed) for a specific plant. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of sand reclaimed ----------------------------- Copper (T)................................ 0.217 0.12 Lead (T).................................. 0.59 0.291 Zinc (T).................................. 1.1 0.418 Total Phenols............................. 0.642 0.224 ------------------------------------------------------------------------ PSNS ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0485 Lead (T)............................. 0.79 0.39 0.164 Zinc (T)............................. 1.47 0.56 0.299 Total Phenols........................ 0.86 0.3 0.149 ------------------------------------------------------------------------ \1\ kg/1000 kkg (pounds per million pounds) of sand reclaimed. \2\ These concentrations must be multiplied by the ratio of (89.5/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of sand reclaimed) for a specific plant. [50 FR 45247, Oct. 30, 1985; 51 FR 21761, June 16, 1986] § 464.34 New source performance standards. top Any new source subject to this subpart must achieve the following new source performance standards (NSPS), except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/1,000 kkg or lb/million lb of sand reclaimed; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent standards for copper, lead, zinc, total phenols, oil and grease, and TSS. For non-continuous dischargers, annual average mass standards and maximum day and maximum for monthly average concentration (mg/l) standards shall apply. Concentration standards and annual average mass standards shall only apply to non-continuous dischargers. (a) Casting Cleaning Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0129 0.0071 Lead (T).................................... 0.0237 0.0116 Zinc (T).................................... 0.0437 0.0165 Oil and grease.............................. 1.34 0.446 TSS......................................... 0.67 0.536 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0029 Lead (T)............................. 0.53 0.26 0.0067 Zinc (T)............................. 0.98 0.37 0.0116 Oil and grease....................... 30 10 0.223 TTS.................................. 15 12 0.116 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (5.33/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0129 0.0071 Lead (T).................................... 0.0353 0.0174 Zinc (T).................................... 0.0656 0.025 Oil and grease.............................. 1.34 0.446 TSS......................................... 1.7 0.67 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0029 Lead (T)............................. 0.79 0.39 0.0098 Zinc (T)............................. 1.47 0.56 0.0179 Oil and grease....................... 30 10 0.223 TTS.................................. 38 15 0.446 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (5.35/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (b) Casting Quench Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0138 0.0076 Lead (T).................................... 0.0252 0.0124 Zinc (T).................................... 0.0466 0.0176 Oil and grease.............................. 1.43 0.476 TSS......................................... 0.713 0.571 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0031 Lead (T)............................. 0.53 0.26 0.0071 Zinc (T)............................. 0.98 0.37 0.0124 Oil and grease....................... 30 10 0.238 TSS.................................. 15 12 0.124 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ Kg/1000 kkg (pounds per million pounds) of metal poured. \2\ Within the range of 7.0 to 10.0 at all times. \3\ These concentrations must be multiplied by the ratio of (5.7/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0138 0.0076 Lead (T).................................... 0.0376 0.0185 Zinc (T).................................... 0.0699 0.0266 Oil and grease.............................. 1.43 0.476 TSS......................................... 1.81 0.713 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0031 Lead (T)............................. 0.79 0.39 0.0105 Zinc (T)............................. 1.47 0.56 0.019 Oil and grease....................... 30 10 0.238 TSS.................................. 38 15 0.476 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ Kg/1000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (5.7/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (c) Dust Collection Scrubber Operations. (1) Applicable to plants that are casting primarily ductible or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.218 0.12 Lead (T).................................. 0.398 0.195 Zinc (T).................................. 0.736 0.278 Total Phenols............................. 0.646 0.225 Oil and grease............................ 22.5 7.51 TSS....................................... 11.3 9.01 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0488 Lead (T)............................. 0.53 0.26 0.113 Zinc (T)............................. 0.98 0.37 0.195 Total phenols........................ 0.86 0.3 0.15 Oil and grease....................... 30 10 3.76 TSS.................................. 15 12 1.95 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 millions Sm\3\ (pound per billion SCF) of air scrubbed. \2\ Within the range of 7.0 to 10.0 at all times. \3\ These concentrations must be multiplied by the ratio of (0.09/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.218 0.12 Lead (T).................................. 0.593 0.293 Zinc (T).................................. 1.1 0.421 Total phenols............................. 0.656 0.225 Oil and grease............................ 22.5 7.51 TSS....................................... 28.5 11.3 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0488 Lead (T)............................. 0.79 0.39 0.165 Zinc (T)............................. 1.47 0.56 0.3 Total phenols........................ 0.86 0.3 0.15 Oil and grease....................... 30 10 3.76 TSS.................................. 38 15 7.51 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 millions Sm\3\ (pound per billion SCF) of air scrubbed. \2\ Within the range of 7.0 to 10.0 at all times. \3\ These concentrations must be multiplied by the ratio of (0.09/) where is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. (d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to navigable waters. (e) Investment Casting. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 3.19 1.76 Lead (T).................................. 5.84 2.86 Zinc (T).................................. 10.8 4.07 Oil and grease............................ 330 110 TSS....................................... 165 132 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.29 0.16 0.716 Lead (T)........................... 0.53 0.26 1.65 Zinc (T)........................... 0.98 0.37 2.86 Oil and grease..................... 30 10 55.1 TSS................................ 15 12 28.6 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 3.19 1.76 Lead (T).................................. 8.7 4.3 Zinc (T).................................. 16.2 6.17 Oil and grease............................ 330 110 TSS....................................... 419 165 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.29 0.16 0.716 Lead (T)........................... 0.79 0.39 2.42 Zinc (T)........................... 1.47 0.56 4.41 Oil and grease..................... 30 10 55.1 TSS................................ 38 15 110 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1,320/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (f) Melting Furnace Scrubber Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.02 0.561 Lead (T).................................. 1.86 0.911 Zinc (T).................................. 3.44 1.30 Total phenols............................. 3.01 1.05 Oil and grease............................ 105 35 TSS....................................... 52.6 42.1 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Maximum for monthly Annual any 1 day average average ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.29 0.16 0.228 Lead (T)........................... 0.53 0.26 0.526 Zinc (T)........................... 0.98 0.37 0.911 Total phenols...................... 0.86 0.3 0.701 Oil and grease..................... 30 10 17.5 TSS................................ 15 12 9.11 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.42/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.02 0.561 Lead (T).................................. 2.77 1.37 Zinc (T).................................. 5.15 1.96 Total phenols............................. 3.01 1.05 Oil and grease............................ 105 35 TSS....................................... 133 52.6 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Maximum for monthly Annual any 1 day average average ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.29 0.16 0.228 Lead (T)........................... 0.79 0.39 0.771 Zinc (T)........................... 1.47 0.56 1.4 Total phenols...................... 0.38 0.3 0.701 Oil and grease..................... 30 10 17.5 TSS................................ 38 15 35 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.42/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (g) Mold Cooling Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0428 0.0236 Lead (T).................................... 0.0783 0.0384 Zinc (T).................................... 0.0145 0.0546 Oil and grease.............................. 4.43 1.48 TSS......................................... 2.22 1.77 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \1\ Copper (T)........................... 0.29 0.16 0.0096 Lead (T)............................. 0.53 0.26 0.0222 Zinc (T)............................. 0.98 0.37 0.0384 Oil and grease....................... 30 10 0.738 TSS.................................. 15 12 0.384 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million) pounds of metal poured. \2\ These concentrations must be multiplied by the ratio of (17.7/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0428 0.0236 Lead (T).................................... 0.117 0.0576 Zinc (T).................................... 0.217 0.0827 Oil and grease.............................. 4.43 1.48 TSS......................................... 5.61 2.22 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maxium for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/1) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0096 Lead (T)............................. 0.79 0.39 0.0325 Zinc (T)............................. 1.47 0.56 0.0591 Oil and grease....................... 30 10 0.738 TSS.................................. 38 15 1.48 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million) pounds of metal poured. \2\ These concentrations must be multiplied by the ratio of (17.7/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (h) Slag Quench Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0527 0.0291 Lead (T).................................... 0.0964 0.0473 Zinc (T).................................... 0.178 0.0673 Oil and grease.............................. 5.46 1.82 TSS......................................... 2.73 2.18 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.29 0.16 0.0118 Lead (T)............................. 0.53 0.26 0.0273 Zinc (T)............................. 0.98 0.37 0.0473 Oil and grease....................... 30 10 0.909 TSS.................................. 15 12 0.473 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (21.8/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0527 0.0291 Lead (T).................................... 0.144 0.0709 Zinc (T).................................... 0.267 0.102 Oil and grease.............................. 5.46 1.82 TSS......................................... 6.91 2.73 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Maximum for monthly Annual any 1 day average average ------------------------------------------------------------------------ (mg/l) \2\ (mg/1) \2\ Copper (T)........................... 0.29 0.16 0.0118 Lead (T)............................. 0.79 0.39 0.04 Zinc (T)............................. 1.47 0.56 0.0728 Oil and grease....................... 30 10 0.909 TSS.................................. 38 15 1.82 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (21.8/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (i) Wet Sand Reclamation Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of sand reclaimed ----------------------------- Copper (T)................................ 0.217 0.12 Lead (T).................................. 0.396 0.194 Zinc (T).................................. 0.732 0.276 Total phenols............................. 0.642 0.224 Oil and grease............................ 22.4 7.47 TSS....................................... 11.2 8.96 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l)\2\ (mg/l)\2\ Copper (T)........................... 0.29 0.16 0.0485 Lead (T)............................. 0.53 0.26 0.112 Zinc (T)............................. 0.98 0.37 0.194 Total phenols........................ 0.86 0.3 0.149 Oil and grease....................... 30 10 3.73 TSS.................................. 15 12 1.94 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of sand reclaimed. \2\ These concentrations must be multiplied by the ratio of (89.5/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of sand reclaimed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of sand reclaimed ----------------------------- Copper (T)................................ 0.217 0.12 Lead (T).................................. 0.59 0.291 Zinc (T).................................. 1.1 0.418 Total phenols............................. 0.642 0.224 Oil and grease............................ 22.4 7.47 TSS....................................... 28.4 11.2 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l)\2\ (mg/l)\2\ Copper (T)........................... 0.29 0.16 0.0485 Lead (T)............................. 0.79 0.39 0.164 Zinc (T)............................. 1.47 0.56 0.299 Total phenols........................ 0.86 0.3 0.149 Oil and grease....................... 30 10 3.73 TSS.................................. 38 15 7.47 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of sand reclaimed. \2\ These concentrations must be multiplied by the ratio of (89.5/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of sand reclaimed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. [50 FR 45247, Oct. 30, 1985; 51 FR 21761, June 16, 1986] § 464.35 Pretreatment standards for existing sources. top Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. (a) Casting Cleaning Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0129 0.0071 Lead (T).................................... 0.0237 0.0116 Zinc (T).................................... 0.0437 0.0165 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0129 0.0071 Lead (T).................................... 0.0353 0.0174 Zinc (T).................................... 0.0656 0.025 ------------------------------------------------------------------------ (b) Casting Quench Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0138 0.0076 Lead (T).................................... 0.0252 0.0124 Zinc (T).................................... 0.0466 0.0176 TTO......................................... 0.0257 0.00838 Oil and grease (for alternate monitoring)... 1.43 0.476 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0138 0.0076 Lead (T).................................... 0.0376 0.0185 Zinc (T).................................... 0.0699 0.0266 TTO......................................... 0.0257 0.00838 Oil and grease (for alternate monitoring)... 1.43 0.476 ------------------------------------------------------------------------ (c) Dust Collection Scrubber Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.218 0.12 Lead (T).................................. 0.398 0.195 Zinc (T).................................. 0.736 0.278 Total Phenols............................. 0.646 0.225 TTO....................................... 2.04 0.664 Oil and Grease (for alternate monitoring). 22.5 7.51 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.218 0.12 Lead (T).................................. 0.593 0.293 Zinc (T).................................. 1.1 0.421 Total Phenols............................. 0.656 0.225 TTO....................................... 2.04 0.664 Oil and Grease (for alternate monitoring). 22.5 7.51 ------------------------------------------------------------------------ (d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW. (e) Investment Casting. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 3.19 1.76 Lead (T).................................. 5.84 2.86 Zinc (T).................................. 10.8 4.07 TTO....................................... 13.2 4.3 Oil and Grease (for alternate monitoring). 330 110 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 3.19 1.76 Lead (T).................................. 8.7 4.3 Zinc (T).................................. 16.2 6.17 TTO....................................... 13.2 4.3 Oil and Grease (for alternate monitoring). 330 110 ------------------------------------------------------------------------ (f) Melting Furnace Scrubber Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.02 0.561 Lead (T).................................. 1.86 0.911 Zinc (T).................................. 3.44 1.30 Total phenols............................. 3.01 1.05 TTO....................................... 8.34 2.73 Oil and grease (for alternate monitoring). 105 35 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.02 0.561 Lead (T).................................. 2.77 1.37 Zinc (T).................................. 5.15 1.96 Total phenols............................. 3.01 1.05 TTO....................................... 8.34 2.73 Oil and grease (for alternate monitoring). 105 35 ------------------------------------------------------------------------ (g) Mold Cooling Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0428 0.0236 Lead (T).................................... 0.0783 0.0384 Zinc (T).................................... 0.145 0.0546 TTO......................................... 0.0797 0.026 Oil and grease (for alternate monitoring)... 4.43 1.48 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0428 0.0236 Lead (T).................................... 0.117 0.0576 Zinc (T).................................... 0.217 0.0827 TTO......................................... 0.0797 0.026 Oil and grease (for alternate monitoring)... 4.43 1.48 ------------------------------------------------------------------------ (h) Slag Quench Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0527 0.0291 Lead (T).................................... 0.0964 0.0473 Zinc (T).................................... 0.178 0.0673 TTO......................................... 0.0257 0.00838 Oil and grease (for alternate monitoring)... 5.46 1.82 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0527 0.0291 Lead (T).................................... 0.144 0.0709 Zinc (T).................................... 0.267 0.102 TTO......................................... 0.0257 0.00838 Oil and grease (for alternate monitoring)... 5.46 1.82 ------------------------------------------------------------------------ (i) West Sand Reclamation Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting gray iron where greater than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of sand reclaimed ----------------------------- Copper (T)................................ 0.217 0.12 Lead (T).................................. 0.396 0.194 Zinc (T).................................. 0.732 0.276 Total Phenols............................. 0.642 0.224 TTO....................................... 1.18 0.386 Oil and grease (for alternate monitoring). 22.4 7.47 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of sand reclaimed ----------------------------- Copper (T)................................ 0.217 0.12 Lead (T).................................. 0.59 0.291 Zinc (T).................................. 1.1 0.418 Total Phenols............................. 0.642 0.224 TTO....................................... 1.18 0.386 Oil and grease (for alternate monitoring). 22.4 7.47 ------------------------------------------------------------------------ [50 FR 45247, Oct. 30, 1985; 51 FR 21762, June 16, 1986] § 464.36 Pretreatment standards for new sources. top Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. (a) Casting Cleaning Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0129 0.0071 Lead (T).................................... 0.0237 0.0116 Zinc (T).................................... 0.0437 0.0165 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0129 0.0071 Lead (T).................................... 0.0353 0.0174 Zinc (T).................................... 0.0656 0.025 ------------------------------------------------------------------------ (b) Casting Quench Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.0138 0.0076 Lead (T).................................. 0.0252 0.0124 Zinc (T).................................. 0.0466 0.0176 TTO....................................... 0.0257 0.00838 Oil and Grease (for alternate monitoring). 1.43 0.476 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0138 0.0076 Lead (T).................................... 0.0376 0.0185 Zinc (T).................................... 0.0699 0.0266 TTO......................................... 0.0257 0.00838 Oil and Grease (for alternate monitoring)... 1.43 0.476 ------------------------------------------------------------------------ (c) Dust Collection Scrubber Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.218 0.12 Lead (T).................................. 0.398 0.195 Zinc (T).................................. 0.736 0.278 Total Phenols............................. 0.646 0.225 TTO....................................... 2.04 0.664 Oil and Grease (for alternate monitoring). 22.5 7.51 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 0.218 0.12 Lead (T).................................. 0.593 0.293 Zinc (T).................................. 1.1 0.421 Total Phenols............................. 0.656 0.225 TTO....................................... 2.04 0.664 Oil and Grease (for alternate monitoring). 22.5 7.51 ------------------------------------------------------------------------ (d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW. (e) Investment Casting. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 3.19 1.76 Lead (T).................................. 5.84 2.86 Zinc (T).................................. 10.8 4.07 TTO....................................... 13.2 4.3 Oil and Grease (for alternate monitoring). 330 110 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 3.19 1.76 Lead (T).................................. 8.7 4.3 Zinc (T).................................. 16.2 6.17 TTO....................................... 13.2 4.3 Oil and Grease (for alternate monitoring). 330 110 ------------------------------------------------------------------------ (f) Melting Furnace Scrubber Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.02 0.561 Lead (T).................................. 1.86 0.911 Zinc (T).................................. 3.44 1.3 Total Phenols............................. 3.01 1.05 TTO....................................... 8.34 2.73 Oil and Grease (for alternate monitoring). 105 35 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.02 0.561 Lead (T).................................. 2.77 1.37 Zinc (T).................................. 5.15 1.96 Total Phenols............................. 3.01 1.05 TTO....................................... 8.34 2.73 Oil and Grease (for alternate monitoring). 105 35 ------------------------------------------------------------------------ (g) Mold Cooling Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0428 0.0236 Lead (T).................................... 0.0783 0.0384 Zinc (T).................................... 0.145 0.0546 TTO......................................... 0.0797 0.026 Oil and Grease (for alternate monitoring)... 4.43 1.48 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0428 0.0236 Lead (T).................................... 0.117 0.0576 Zinc (T).................................... 0.217 0.0827 TTO......................................... 0.0797 0.026 Oil and Grease (for alternate monitoring)... 4.43 1.48 ------------------------------------------------------------------------ (h) Slag Quench Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0527 0.0291 Lead (T).................................... 0.0964 0.0473 Zinc (T).................................... 0.178 0.0673 TTO......................................... 0.0257 0.00838 Oil and grease (for alternate monitoring)... 5.46 1.82 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0527 0.0291 Lead (T).................................... 0.144 0.0709 Zinc (T).................................... 0.267 0.102 TTO......................................... 0.0257 0.00838 Oil and grease (for alternate monitoring)... 5.46 1.82 ------------------------------------------------------------------------ (i) Wet Sand Reclamation Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of sand reclaimed ----------------------------- Copper (T)................................ 0.217 0.12 Lead (T).................................. 0.396 0.194 Zinc (T).................................. 0.732 0.276 Total phenols............................. 0.642 0.224 TTO....................................... 1.18 0.386 Oil and grease (for alternate monitoring). 22.4 7.47 ------------------------------------------------------------------------ (2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of sand reclaimed ----------------------------- Copper (T)................................ 0.217 0.12 Lead (T).................................. 0.59 0.291 Zinc (T).................................. 1.10 0.418 Total phenols............................. 0.642 0.224 TTO....................................... 1.18 0.386 Oil and grease (for alternate monitoring). 22.4 7.47 ------------------------------------------------------------------------ § 464.37 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology. [Reserved] top Subpart D—Zinc Casting Subcategory top § 464.40 Applicability; description of the zinc casting subcategory. top The provisions of this subpart are applicable to discharges to waters of the United States and to the introduction of pollutants into publicly owned treatment works resulting from zinc casting operations as defined in §464.02(d). § 464.41 Specialized definitions. top For the purpose of this subpart: (a) Total Toxic Organics (TTO). TTO is a regulated parameter under PSES (§464.45) and PSNS (§464.46) for the zinc subcategory and is comprised of a discrete list of toxic organic pollutants for each process segment where it is regulated, as follows: (1) Casting Quench (§464.45(a) and §464.46(a)): 21. 2,4,6-trichlorophenol 22. para-chloro meta-cresol 31. 2,4-dichlorophenol 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 65. phenol 66. bis(2-ethylhexyl) phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 85. tetrachloroethylene (2) Die Casting (§465.45(b) and §464.46(b)): 1. acenaphthene 21. 2,4,6-trichlorophenol 22. para-chloro meta-cresol 24. 2-chlorophenol 34. 2,4-dimethylphenol 44. methylene chloride (dichloromethane) 55. naphthalene 65. phenol 66. bis (2-ethylhexyl) phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 85. tetrachloroethylene 86. toluene 87. trichloroethylene (3) Melting Furnace Scrubber (§464.45(c) and §464.46(c)): 31. 2,4-dichlorophenol 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 55. naphthalene 65. phenol 66. bis(2-ethylhexyl) phthalate 68. di-n-butyl phthalate 85. tetrachloroethylene 86. toluene 87. trichloroethylene (4) Mold Cooling (§464.45(d) and §464.46(d)): 21. 2,4,6-trichlorophenol 22. para-chloro meta-cresol 31. 2,4-dichlorophenol 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 65. phenol 66. bis(2-ethylhexyl) phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 85. tetrachloroethylene [50 FR 45247, Oct. 30, 1985; 51 FR 21762, June 16, 1986] § 464.42 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. top Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available, except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent limitations for copper, lead, zinc, total phenols, oil and grease, and TSS. For non-continuous dischargers, annual average mass limitations and maximum day and maximum for monthly average concentration (mg/1) limitations shall apply. Concentration limitations and annual average mass limitations shall only apply to noncontinuous dischargers. (a) Casting Quench Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0344 0.0187 Lead (T).................................... 0.0353 0.0174 Zinc (T).................................... 0.0509 0.0192 Oil and grease.............................. 1.34 0.446 TSS......................................... 1.7 0.67 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/1) \2\ (mg/1) \2\ Copper (T)........................... 0.77 0.42 0.0076 Lead (T)............................. 0.79 0.39 0.0098 Zinc (T)............................. 1.14 0.43 0.0121 Oil and grease....................... 30 10 0.223 TSS.................................. 38 15 0.446 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1000 kkg (pound per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (5.35/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (b) Die Casting Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0066 0.0036 Lead (T).................................... 0.0068 0.0034 Zinc (T).................................... 0.0098 0.0037 Total phenols............................... 0.0074 0.0026 Oil and grease.............................. 0.259 0.0864 TTS......................................... 0.328 0.13 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.0015 Lead (T)........................... 0.79 0.39 0.0019 Zinc (T)........................... 1.14 0.43 0.0023 Total phenols...................... 0.86 0.3 0.0017 Oil and grease..................... 30 10 0.0432 TSS................................ 38 15 0.0864 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1000 kkg (pound per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1.04/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (c) Melting Furnace Scrubber Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 millions Sm \3\ (pounds per billion SCF) of air scrubbed --------------------------- Copper (T).................................. 1.56 0.852 Lead (T).................................... 1.6 0.791 Zinc (T).................................... 2.31 0.872 Total Phenols............................... 1.74 0.608 Oil and grease.............................. 60.8 20.3 TSS......................................... 77.1 30.4 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.345 Lead (T)........................... 0.79 0.39 0.446 Zinc (T)........................... 1.14 0.43 0.548 Total Phenols...................... 0.86 0.3 0.406 Oil and grease..................... 30 10 10.1 TSS................................ 38 15 20.3 pH................................. (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.243/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (d) Mold Cooling Operations. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.304 0.166 Lead (T).................................... 0.311 0.154 Zinc (T).................................... 0.449 0.17 Oil and grease.............................. 11.8 3.94 TSS......................................... 15 5.91 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.77 0.42 0.067 Lead (T)............................. 0.79 0.39 0.0867 Zinc (T)............................. 1.14 0.43 0.106 Oil and grease....................... 30 10 1.97 TSS.................................. 38 15 3.94 pH................................... (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (47.3/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. [50 FR 45247, Oct. 30, 1985; 51 FR 21762, June 16, 1986] § 464.43 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. top Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable, except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent limitations for copper, lead, zinc, and total phenols. For non-continuous dischargers, annual average mass limitations and maximum day and maximum for monthly average concentration (mg/1) limitations shall apply. Concentration limitations and annual average mass limitations shall only apply to non-continuous dischargers. (a) Casting Quench Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0344 0.0187 Lead (T).................................... 0.0237 0.0116 Zinc (T).................................... 0.0339 0.0129 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.77 0.42 0.0076 Lead (T)............................. 0.53 0.26 0.0067 Zinc (T)............................. 0.76 0.29 0.008 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (5.34/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (b) Die Casting Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0066 0.0036 Lead (T).................................... 0.0046 0.0022 Zinc (T).................................... 0.0066 0.0025 Total phenols............................... 0.0074 0.0026 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)........................... 0.77 0.42 0.0015 Lead (T)............................. 0.53 0.26 0.0013 Zinc (T)............................. 0.76 0.29 0.0016 Total phenols........................ 0.86 0.3 0.0017 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (1.04/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (c) Melting Furnace Scrubber Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.56 0.852 Lead (T).................................. 1.07 0.527 Zinc (T).................................. 1.54 0.588 Total phenolse............................ 1.74 0.608 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum for Annual Maximum for monthly average any 1 day average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T)......................... 0.77 0.42 0.345 Lead (T)........................... 0.53 0.26 0.304 Zinc (T)........................... 0.76 0.29 0.365 Total phenols...................... 0.86 0.3 0.406 ------------------------------------------------------------------------ \1\ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.243/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. (d) Mold Cooling Operations. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.304 0.166 Lead (T).................................... 0.209 0.103 Zinc (T).................................... 0.3 0.114 ------------------------------------------------------------------------ ------------------------------------------------------------------------ Maximum Maximum for Annual for any 1 monthly average day average \1\ ------------------------------------------------------------------------ (mg/l)\2\ (mg/l)\2\ Copper (T)............................ 0.77 0.42 0.067 Lead (T).............................. 0.53 0.26 0.0591 Zinc (T).............................. 0.76 0.29 0.071 ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (47.3/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. [50 FR 45247, Oct. 30, 1985; 51 FR 21762, June 16, 1986] § 464.44 New source performance standards. top Any new source subject to this subpart must achieve the following new source performance standards (NSPS), except that non-continuous dischargers shall not be subject to the maximum day and maximum for monthly average mass (kg/1,000 kkg or lb/million lb of metal poured; kg/62.3 million Sm 3 or lb/billion SCF of air scrubbed) effluent standards for copper, lead, zinc, total phenols, oil and grease, and TSS. For non-continuous dischargers, annual average mass standards and maximum day and maximum for monthly average concentration (mg/l) standards shall apply. Concentration standards and annual average mass standards shall only apply to non-continuous dischargers. (a) Casting Quench Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0344 0.0187 Lead (T).................................... 0.0237 0.0116 Zinc (T).................................... 0.0339 0.0129 Oil and grease.............................. 1.34 0.446 TSS......................................... 0.67 0.536 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ---------------------------------------------------------------------------------------------------------------- Maximum for Maximum for monthly Annual average any 1 day average \1\ ---------------------------------------------------------------------------------------------------------------- (mg/l)\2\ (mg/l)\2\ Copper (T)......................................................... 0.77 0.42 0.0076 Lead (T)........................................................... 0.53 0.26 0.0067 Zinc (T)........................................................... 0.76 0.29 0.008 Oil and grease..................................................... 30 10 0.223 TSS................................................................ 15 12 0.116 pH................................................................. (\3\) (\3\) (\3\) ---------------------------------------------------------------------------------------------------------------- \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (5.34/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (b) Die Casting Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0066 0.0036 Lead (T).................................... 0.0046 0.0022 Zinc (T).................................... 0.0066 0.0025 Total phenols............................... 0.0074 0.0026 Oil and grease.............................. 0.259 0.0864 TSS......................................... 0.13 0.104 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ---------------------------------------------------------------------------------------------------------------- Maximum for Maximum for monthly Annual average any 1 day average \1\ ---------------------------------------------------------------------------------------------------------------- (mg/l) \2\ (mg/l) \2\ Copper (T)......................................................... 0.77 0.42 0.0015 Lead (T)........................................................... 0.53 0.26 0.0013 Zinc (T)........................................................... 0.76 0.29 0.0016 Total phenols...................................................... 0.86 0.3 0.0017 Oil and grease..................................................... 30 10 0.0432 TSS................................................................ 15 12 0.0225 pH................................................................. (\3\) (\3\) (\3\) ---------------------------------------------------------------------------------------------------------------- \1\kg/1,000 kkg (pounds per million pounds) of metal poured. \2\These concentrations must be multiplied by the ratio of (1.04/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\Within the range of 7.0 to 10.0 at all times. (c) Melting Furnace Scrubber Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ----------------------------- Copper (T)................................ 1.56 0.852 Lead (T).................................. 1.07 0.527 Zinc (T).................................. 1.54 0.588 Total phenols............................. 1.74 0.608 Oil and grease............................ 60.8 20.3 TSS....................................... 30.4 24.3 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ---------------------------------------------------------------------------------------------------------------- Maximum for Maximum for monthly Annual average any 1 day average \1\ ---------------------------------------------------------------------------------------------------------------- (mg/l)\2\ (mg/l)\2\ Copper (T)......................................................... 0.77 0.42 0.345 Lead (T)........................................................... 0.53 0.26 0.304 Zinc (T)........................................................... 0.76 0.29 0.365 Total phenols...................................................... 0.86 0.3 0.406 Oil and grease..................................................... 30 10 10.1 TSS................................................................ 15 12 5.27 pH................................................................. (\3\) (\3\) (\3\) ---------------------------------------------------------------------------------------------------------------- \1\ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed. \2\ These concentrations must be multiplied by the ratio of (0.243/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 SCF of air scrubbed) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. (d) Mold Cooling Operations. NSPS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ----------------------------- Copper (T)................................ 0.304 0.166 Lead (T).................................. 0.209 0.103 Zinc (T).................................. 0.3 0.114 Oil and grease............................ 11.8 3.94 TSS....................................... 5.91 4.73 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.0 to 10.0 at all times. ------------------------------------------------------------------------ Maximum for Maximum for monthly Annual any 1 day average average \1\ ------------------------------------------------------------------------ (mg/l) \2\ (mg/l) \2\ Copper (T).................... 0.77 0.42 0.067 Lead (T)...................... 0.53 0.26 0.0591 Zinc (T)...................... 0.76 0.29 0.071 Oil and grease................ 30 10 1.97 TSS........................... 15 12 1.03 pH............................ (\3\) (\3\) (\3\) ------------------------------------------------------------------------ \1\ kg/1,000 kkg (pounds per million pounds) of metal poured. \2\ These concentrations must be multiplied by the ratio of (47.3/x) where x is the actual normalized process wastewater flow (in gallons per 1,000 pounds of metal poured) for a specific plant. \3\ Within the range of 7.0 to 10.0 at all times. [50 FR 45247, Oct. 30, 1985; 51 FR 21762, June 16, 1986] § 464.45 Pretreatment standards for existing sources. top Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. (a) Casting Quench Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0344 0.0187 Lead (T).................................... 0.0237 0.0116 Zinc (T).................................... 0.0339 0.0129 TTO......................................... 0.093 0.0304 Oil and grease (for alternate monitoring)... 1.34 0.446 ------------------------------------------------------------------------ (b) Die Casting Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds of metal poured) -------------------------- Copper (T)................................... 0.0066 0.0036 Lead (T)..................................... 0.0046 0.0022 Zinc (T)..................................... 0.0066 0.0025 Total phenols................................ 0.0074 0.0026 TTO.......................................... 0.0196 0.0064 Oil and grease for alternate monitoring)..... 0.259 0.0864 ------------------------------------------------------------------------ (c) Melting Furnace Scrubber Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed --------------------------- Copper (T).................................. 1.56 0.852 Lead (T).................................... 1.07 0.527 Zinc (T).................................... 1.54 0.588 Total phenols............................... 1.74 0.608 TTO......................................... 3.95 1.29 Oil and grease for alternate monitoring).... 60.8 20.3 ------------------------------------------------------------------------ (d) Mold Cooling Operations. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.304 0.166 Lead (T).................................... 0.209 0.103 Zinc (T).................................... 0.3 0.114 TTO......................................... 0.821 0.268 Oil and grease for alternate monitoring).... 11.8 3.94 ------------------------------------------------------------------------ § 464.46 Pretreatment standards for new sources. top Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. (a) Casting Quench Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.0344 0.0187 Lead (T).................................... 0.0237 0.0116 Zinc (T).................................... 0.0339 0.0129 TTO......................................... 0.093 0.0304 Oil and grease (for alternate monitoring)... 1.34 0.446 ------------------------------------------------------------------------ (b) Die Casting Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured -------------------------- Copper (T)................................... 0.0066 0.0036 Lead (T)..................................... 0.0046 0.0022 Zinc (T)..................................... 0.0066 0.0025 Total phenols................................ 0.0074 0.0026 TTO.......................................... 0.0196 0.0064 Oil and grease (for alternate monitoring).... 0.259 0.0864 ------------------------------------------------------------------------ (c) Melting Furnace Scrubber Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm \3\ (pounds per billion SCF) of air scrubbed --------------------------- Copper (T).................................. 1.56 0.852 Lead (T).................................... 1.07 0.527 Zinc (T).................................... 1.54 0.588 Total phenols............................... 1.74 0.608 TTO......................................... 3.95 1.29 Oil and grease (for alternate monitoring)... 60.8 20.3 ------------------------------------------------------------------------ (d) Mold Cooling Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------------------- Copper (T).................................. 0.304 0.166 Lead (T).................................... 0.209 0.103 Zinc (T).................................... 0.3 0.114 TTO......................................... 0.821 0.268 Oil and grease (for alternate monitoring)... 11.8 3.94 ------------------------------------------------------------------------ [50 FR 45247, Oct. 30, 1985; 51 FR 21762, June 16, 1986] § 464.47 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology. [Reserved]