National United States Regulations 40 CFR PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY -------------------------------------------------------------------------------- Authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), and 501 of the Clean Water Act (the 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), and 1361; 86 Stat. 816, Pub. L. 92–500; 91 Stat. 1567, Pub. L. 95–217. Source: 47 FR 28278, June 29, 1982, unless otherwise noted. Subpart A—Aluminum Chloride Production Subcategory top § 415.01 Compliance dates for pretreatment standards for existing sources. top The compliance dates for the pretreatment standards for existing sources (PSES) established in this part are as follows: (a) The compliance date for subparts A, B, L, AL, AR, BA, and BC is July 20, 1980. (b) The compliance date for subparts AJ, AU, BL, BM, BN and BO, except for discharges from copper sulfate or nickel sulfate manufacturing operations, is August 22, 1987. (c) The compliance date for discharges from copper sulfate and nickel sulfate manufacturing operations and for all subparts in part 415 not listed in paragraphs (a) and (b) of this section is June 29, 1985. [49 FR 33420, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984] § 415.10 Applicability; description of the aluminum chloride production subcategory. top The provisions of this subpart are applicable to discharges and to the introduction of pollutants into treatment works which are publicly owned resulting from the production of aluminum chloride. § 415.11 Specialized definitions. [Reserved] top §§ 415.12-415.13 [Reserved] top § 415.14 Pretreatment standards for existing sources (PSES). 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 (PSES): Subpart A_Aluminum Chloride ------------------------------------------------------------------------ Pollutant or pollutant property PSES limitations ------------------------------------------------------------------------ pH..................................... Within the range 5.0 to 10.0. ------------------------------------------------------------------------ § 415.15 [Reserved] top Subpart B—Aluminum Sulfate Production Subcategory top § 415.20 Applicability; description of the aluminum sulfate production subcategory. top The provisions of this subpart are applicable to discharges and to the introduction of pollutants into treatment works which are publicly owned resulting from the production of aluminum sulfate. § 415.21 Specialized definitions. [Reserved] top § 415.22 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): (a) Subject to the provisions of paragraphs (b), (c) and (d) of this section, there shall be no discharge of process wastewater pollutants into navigable waters. (b) A process wastewater impoundment which is designed, constructed and operated so as to contain the precipitation from the 10-year, 24-hour rainfall event as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located may discharge that volume of process wastewater which is equivalent to the volume of precipitation that falls within the impoundment in excess of that attributable to the 10-year, 24-hour rainfall event, when such event occurs. (c) During any calendar month there may be discharged from a process wastewater impoundment either a volume of process wastewater equal to the difference between the precipitation for that month that falls within the impoundment and the evaporation for that month, or if greater, a volume of process wastewater equal to the difference between the mean precipitation for that month that falls within the impoundment and the mean evaporation for that month as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located (or as otherwise determined if no monthly data have been established by the National Climatic Center). (d) Any process wastewater discharged pursuant to paragraph (c) of this section shall comply with each of the following requirements: Subpart B_Aluminum Sulfate ------------------------------------------------------------------------ BPT limitations ------------------------- Average of daily Pollutant or pollutant property Maximum for values for any 1 day 30 consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) ------------------------- TSS........................................... 50 25 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.23 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): (a) Subject to the provisions of paragraph (b) of this section there shall be no discharge of process wastewater pollutants into navigable waters. (b) A process wastewater impoundment which is designed, constructed, and operated so as to contain the precipitation from the 25-year, 24-hour rainfall event as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located may discharge that volume of process wastewater which is equivalent to the volume of precipitation that falls within the impoundment in excess of that attributable to the 25-year, 24-hour rainfall event, when such event occurs. § 415.24 Pretreatment standards for existing sources (PSES). 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 (PSES): Subpart B_Aluminum Sulfate ------------------------------------------------------------------------ PSES limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Zinc........................................ 5.0 2.5 ------------------------------------------------------------------------ § 415.25 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): (a) Subject to the provisions of paragraph (b) of this section there shall be no discharge of process wastewater pollutants into navigable waters. (b) A process wastewater impoundment which is designed, constructed, and operated so as to contain the precipitation from the 25-year, 24-hour rainfall event as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located may discharge that volume of process wastewater which is equivalent to the volume of precipitation that falls within the impoundment in excess of that attributable to the 25-year, 24-hour rainfall event, when such event occurs. § 415.26 Pretreatment standards for new sources (PSNS). top Except as provided in §403.7, any new 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 new sources (PSNS): The limitations are the same as the new source performance standards specified in §415.25. Subpart C—Calcium Carbide Production Subcategory top § 415.30 Applicability; description of the calcium carbide production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of calcium carbide in uncovered furnaces. § 415.31 Specialized definitions. [Reserved] top § 415.32 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.33 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technolgy economically achievable (BAT). 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 (BAT): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.34 [Reserved] top § 415.35 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.36 Pretreatment standards for new sources (PSNS). top Except as provided in §403.7, any new 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 new sources (PSNS): There shall be no discharge of process wastewater pollutants to navigable waters. Subpart D—Calcium Chloride Production Subcategory top § 415.40 Applicability; description of the calcium chloride production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of calcium chloride by the brine extraction process. § 415.41 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term product shall mean calcium chloride. § 415.42 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): Subpart D_Calcium Chloride ------------------------------------------------------------------------ BPT limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 0.016 0.0082 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.43 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.44 [Reserved] top § 415.45 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.46 Pretreatment standards for new sources (PSNS). top Except as provided in §403.7, any new 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 new sources (PSNS): There shall be no discharge of process wastewater pollutants to navigable waters. Subpart E—Calcium Oxide Production Subcategory top § 415.50 Applicability; description of the calcium oxide production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of calcium oxide. § 415.51 Specialized definitions. [Reserved] top § 415.52 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): (a) Subject to the provisions of paragraphs (b), (c), and (d) of this section, there shall be no discharge of process wastewater pollutants into navigable waters. (b) A process wastewater impoundment which is designed, constructed and operated so as to contain the precipitation from the 10-year, 24-hour rainfall event as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located may discharge that volume of process wastewater which is equivalent to the volume of precipitation that falls within the impoundment in excess of that attributable to the 10-year, 24-hour rainfall event, when such event occurs. (c) During any calendar month there may be discharged from a process wastewater impoundment either a volume of process wastewater equal to the difference between the precipitation for that month that falls within the impoundment and the evaporation for that month, or, if greater, a volume of process wastewater equal to the difference between the mean precipitation for that month that falls within the impoundment and the mean evaporation for that month as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located (or as otherwise determined if no monthly data have been established by the National Climatic Center). (d) Any process wastewater discharged pursuant to paragraph (c) of this section shall comply with each of the following requirements: Subpart E_Calcium Oxide ------------------------------------------------------------------------ BPT limitations ------------------------- Average of daily Pollutant or pollutant property Maximum for values for any 1 day 30 consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) ------------------------- TSS........................................... 50 25 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.53 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): (a) Subject to the provisions of paragraph (b) of this section there shall be no discharge of process wastewater pollutants into navigable waters. (b) A process wastewater impoundment which is designed, constructed, and operated so as to contain the precipitation from the 25-year, 24-hour rainfall event as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located may discharge that volume of process wastewater which is equivalent to the volume of precipitation that falls within the impoundment in excess of that attributable to the 25-year, 24-hour rainfall event, when such event occurs. § 415.54 [Reserved] top § 415.55 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): (a) Subject to the provisions of paragraph (b) of this section there shall be no discharge of process wastewater pollutants into navigable waters. (b) A process wastewater impoundment which is designed, constructed, and operated so as to contain the precipitation from the 25-year, 24-hour rainfall event as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located may discharge that volume of process wastewater which is equivalent to the volume of precipitation that falls within the impoundment in excess of that attributable to the 25-year, 24-hour rainfall event, when such event occurs. § 415.56 Pretreatment standards for new sources (PSNS). top Except as provided in §403.7, any new 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 new sources (PSNS): The limitations are the same as the new source performance standards specified in §415.55. Subpart F—Chlor-alkali Subcategory (Chlorine and Sodium or Potassium Hydroxide Production) top § 415.60 Applicability; description of the chlorine and sodium or potassium hydroxide production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of chlorine and sodium or potassium hydroxide by the diaphragm cell process and by the mercury cell process. § 415.61 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term product shall mean chlorine. (c) The term mercury shall mean the total mercury present in the process wastewater stream exiting the mercury treatment system. (d) The term lead shall mean total lead. § 415.62 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). top (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the mercury cell process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart F_Chlor-Alkali Mercury Cells ------------------------------------------------------------------------ BPT limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 0.64 0.32 Mercury (T)................................. .00028 .00014 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 6.0 to 9.0. (b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the diaphragm cell process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart F_Chlor-Alkali Diaphragm Cells ------------------------------------------------------------------------ BPT limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product --------------------------- TSS......................................... 1.1 0.51 Copper (T).................................. 0.018 0.0070 Lead (T).................................... 0.026 0.010 Nickel (T).................................. 0.014 0.0056 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.63 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). top (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the mercury cell process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): Subpart F_Chlor-Alkali-Mercury Cells ------------------------------------------------------------------------ BAT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- Mercury (T)................................. 0.00023 0.00010 Total Residual Chlorine..................... 0.0032 0.0019 ------------------------------------------------------------------------ (b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the diaphragm cell process must achieve the following effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): Subpart F_Chlor-Alkali-Diaphragm Cells ------------------------------------------------------------------------ BAT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- Copper (T).................................. 0.012 0.0049 Lead (T).................................... 0.0059 0.0024 Nickel (T).................................. 0.0097 0.0037 Total Residual Chlorine................... 0.013 0.0079 ------------------------------------------------------------------------ § 415.64 Pretreatment standards for existing sources (PSES). top (a) [Reserved] (b) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart and using the diaphragm cell process, 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 (PSES): Subpart F_Chlor-Alkali-Diaphragm Cells ------------------------------------------------------------------------ PSES effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mq/1) --------------------------- Copper (T).................................. 2.1 0.80 Lead (T).................................... 2.9 1.1 Nickel (T).................................. 1.6 0.64 ------------------------------------------------------------------------ In cases when POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Copper (T), Lead(T) and Nickel (T) are the same as specified in §415.62(b). § 415.65 New source performance standards (NSPS). top (a) Any new source subject to this subpart and using the mercury cell process must achieve the following new source performance standards (NSPS): Subpart F_Chlor-Alkali-Mercury Cells ------------------------------------------------------------------------ NSPS limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kq/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 0.64 0.32 Mercury (T)................................. 0.00023 0.00010 Total Residual Chlorine..................... 0.0032 0.0019 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. (b) Any new source subject to this subpart and using the diaphragm cell process must achieve the following new source performance standards (NSPS): Subpart F_Chlor-Alkali-Diaphragm Cells ------------------------------------------------------------------------ NSPS limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kq/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 1.1 0.51 Lead (T).................................... 0.0047 0.0019 Total Residual Chlorine..................... 0.013 0.0079 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.66 Pretreatment standards for new sources (PSNS). top (a) Except as provided in 40 CFR 403.7, any new source subject to this subpart and using the mercury cell process, which introduces pollutants into a publicly owned treatment works, must comply with 40 CFR part 403 and achieve the following Pretreatment Standards for New Sources (PSNS): Subpart F_Chlor-Alkali-Mercury Cells ------------------------------------------------------------------------ PSNS effluent limitations ------------------------ Average of Pollutant or pollutant property daily Maximum values for for any 1 30 day consecutive days ------------------------------------------------------------------------ Milligrams per liter ------------------------ Mercury (T).................................... 0.11 0.048 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for mercury (T) are the same as specified in §415.65(a). (b) Except as provided in 40 CFR 403.7, any new source subject to this subpart and using the diaphragm cell process, which introduces pollutants into a publicly owned treatment works, must compy with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): Subpart F_Diaphragm Cells ------------------------------------------------------------------------ PSNS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/1) Lead(T)..................................... 0.53 0.21 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Lead(T) are the same as specified in §415.65(b). [47 FR 28278, June 29, 1982, as amended at 47 FR 55226, Dec. 8, 1982] § 415.67 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). top (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the mercury cell process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.62(a). (b) [Reserved] Subpart G—Hydrochloric Acid Production Subcategory [Reserved] top Subpart H—Hydrofluoric Acid Production Subcategory top § 415.80 Applicability; description of the hydrofluoric acid production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of hydrofluoric acid. § 415.81 Specialized definitions. [Reserved] top § 415.82 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): Subpart H_Hydrofluoric Acid ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 11.0 5.3 Fluoride (T)................................ 6.1 2.9 Nickel (T).................................. k0.036 0.011 Zinc (T).................................... 0.12 0.036 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.83 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): Subpart H_Hydrofluoric Acid ------------------------------------------------------------------------ BAT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- Fluoride (T)................................ 3.4 1.6 Nickel (T).................................. 0.020 0.0060 Zinc (T).................................... 0.072 0.022 ------------------------------------------------------------------------ § 415.84 [Reserved] top § 415.85 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): Subpart H_Hydrofluoric Acid ------------------------------------------------------------------------ NSPS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 6.0 3.0 Fluoride (T)................................ 3.4 1.6 Nickel (T).................................. 0.020 0.0060 Zinc (T).................................... 0.072 0.022 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.86 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 New Sources (PSNS): Subpart H_Hydrofluoric Acid ------------------------------------------------------------------------ PSNS effluent limitations ------------------------ Average of Pollutant or pollutant property daily Maximum values for for any 1 30 day consecutive days ------------------------------------------------------------------------ Milligrams per liter ------------------------ Fluoride (T)................................... 100 50 Nickel (T)..................................... 0.66 0.20 Zinc (T)....................................... 2.2 0.66 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Fluoride (T), Nickel (T), and Zinc (T) are the same as specified in §415.85. [47 FR 55226, Dec. 8, 1982] § 415.87 [Reserved] top Subpart I—Hydrogen Peroxide Production Subcategory top § 415.90 Applicability; description of the hydrogen peroxide production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of hydrogen peroxide by the electrolytic process and by the oxidation of alkyl hydroanthraquinones. § 415.91 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term product shall mean hydrogen peroxide as a one hundred percent hydrogen peroxide solution. (c) The term Cyanide A shall mean those cyanides amenable to chlorination and is determined by the methods specified in 40 CFR 136.3. (d) The term process wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. The term “process wastewater” does not include contaminated non-process wastewater, as defined below. (e) The term process wastewater pollutants means pollutants present in process wastewater. (f) The term contaminated nonprocess wastewater shall mean any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, by-product or waste product by means of (1) rainfall runoff; (2) accidental spills; (3) accidental leaks caused by the failure of process equipment, which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and (4) discharges from safety showers and related personal safety equipment: Provided, that all reasonable measures have been taken (i) to prevent, reduce and control such contact to the maximum extent feasible; and (ii) to mitigate the effects of such contact once it has occurred. § 415.92 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). top (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and manufacturing hydrogen peroxide by the oxidation of alkyl hydroanthraquinones must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart I_Hydrogen Peroxide Organic Process ------------------------------------------------------------------------ BPT limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 0.80 0.40 TOC......................................... 0.44 0.22 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. (b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and manufacturing hydrogen peroxide by the electrolytic process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart I_Hydrogen Peroxide Electrolyte Process ------------------------------------------------------------------------ BPT limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 0.0050 0.0025 Cyanide A................................... 0.00040 0.00020 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. Subpart J—Nitric Acid Production Subcategory [Reserved] top Subpart K—Potassium Metal Production Subcategory top § 415.110 Applicability; description of the potassium metal production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of potassium metal. § 415.111 Specialized definitions. [Reserved] top § 415.112 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.113 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.114 [Reserved] top § 415.115 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.116 Pretreatment standards for new sources (PSNS). top Except as provided in §403.7, any new 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 new sources (PSNS): There shall be no discharge of process wastewater pollutants to navigable waters. Subpart L—Potassium Dichromate Production Subcategory top § 415.120 Applicability; description of the potassium dichromate production subcategory. top The provisions of this subpart are applicable to discharges and to the introduction of pollutants resulting from the production of potassium dichromate into treatment works which are publicly owned. § 415.121 Specialized definitions. [Reserved] top § 415.122 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.123 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.124 Pretreatment standards for existing sources (PSES). 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 (PSES): Subpart L_Potassium Dichromate ------------------------------------------------------------------------ PSES limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Hexavalent chromium......................... 0.25 0.090 Total chromium.............................. 3.0 1.0 ------------------------------------------------------------------------ § 415.125 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.126 Pretreatment standards for new sources (PSNS). top Except as provided in §403.7, any new 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 new sources (PSNS): There shall be no discharge of process wastewater pollutants to navigable waters. Subpart M—Potassium Sulfate Production Subcategory top § 415.130 Applicability; description of the potassium sulfate production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of potassium sulfate. § 415.131 Specialized definitions. [Reserved] top § 415.132 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): (a) Subject to the provisions of paragraphs (b), (c), and (d) of this section, there shall be no discharge of process wastewater pollutants into navigable waters. (b) A process wastewater impoundment which is designed, constructed and operated so as to contain the precipitation from the 10-year, 24-hour rainfall event as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located may discharge that volume of process wastewater which is equivalent to the volume of precipitation that falls within the impoundment in excess of that attributable to the 10-year, 24-hour rainfall event, when such event occurs. (c) During any calendar month there may be discharged from a process wastewater impoundment either a volume of process wastewater equal to the difference between the precipitation for that month that falls within the impoundment and the evaporation for that month, or, if greater, a volume of process wastewater equal to the difference between the mean precipitation for that month that falls within the impoundment and the mean evaporation for that month as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located (or as otherwise determined if no monthly data have been established by the National Climatic Center). (d) Any process wastewater discharged pursuant to paragraph (c) of this section shall comply with each of the following requirements: Subpart M_Potassium Sulfate ------------------------------------------------------------------------ BPT limitations ------------------------- Average of daily Pollutant or pollutant property Maximum for values for any 1 day 30 consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/1) ------------------------- TSS........................................... 50 25 ph............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.133 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): (a) Subject to the provisions of paragraph (b) of this section there shall be no discharge of process wastewater pollutants into navigable waters. (b) A process wastewater impoundment which is designed, constructed, and operated so as to contain the precipitation from the 25-year, 24-hour rainfall event as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located may discharge that volume of process wastewater which is equivalent to the volume of precipitation that falls within the impoundment in excess of that attributable to the 25-year, 24-hour rainfall event, when such event occurs. § 415.134 [Reserved] top § 415.135 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): (a) Subject to the provisions of paragraph (b) of this section there shall be no discharge of process wastewater pollutants into navigable waters. (b) A process wastewater impoundment which is designed, constructed, and operated so as to contain the precipitation from the 25-year, 24-hour rainfall event as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located may discharge that volume of process wastewater which is equivalent to the volume of precipitation that falls within the impoundment in excess of that attributable to the 25-year, 24-hour rainfall event, when such event occurs. § 415.136 Pretreatment standards for new sources (PSNS). top Except as provided in §403.7, any new 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 new sources (PSNS): The limitations are the same as the new source performance standards specified in §415.135. Subpart N—Sodium Bicarbonate Production Subcategory top § 415.140 Applicability; description of the sodium bicarbonate production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of sodium bicarbonate. § 415.141 Specialized definitions. [Reserved] top § 415.142 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.143 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.144 [Reserved] top § 415.145 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.146 Pretreatment standards for new sources (PSNS). top Except as provided in §403.7, any new 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 new sources (PSNS): There shall be no discharge of process wastewater pollutants to navigable waters. Subpart O—Sodium Carbonate Production Subcategory [Reserved] top Subpart P—Sodium Chloride Production Subcategory top § 415.160 Applicability; description of the sodium chloride production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of sodium chloride by the solution brine-mining process and by the solar evaporation process. § 415.161 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term product shall mean sodium chloride. (c) The term bitterns shall mean the saturated brine solution remaining after precipitation of sodium chloride in the solar evaporation process. § 415.162 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). top (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the solar evaporation process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): There shall be no discharge of process wastewater pollutants to navigable waters, except that unused bitterns may be returned to the body of water from which the process brine solution was originally withdrawn, provided no additional pollutants are added to the bitterns during the production of sodium chloride. (b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the solution brine mining process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart P_Sodium Chloride Brine Mining Process ------------------------------------------------------------------------ BPT limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb.) of product --------------------------- TSS......................................... 0.34 0.17 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 6.0 to 9.0. § 415.163 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). top (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the solar evaporation process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): There shall be no discharge of process wastewater pollutants to navigable waters, except that unused bitterns may be returned to the body of water from which the process brine solution was originally withdrawn, provided no additional pollutants are added to the bitterns during the production of sodium chloride. (b) [Reserved] [47 FR 28278, June 29, 1982, as amended at 49 FR 33420, Aug. 22, 1984] § 415.164 [Reserved] top § 415.165 New source performance standards (NSPS). top (a) Any new source subject to this subpart and using the solar evaporation process must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants to navigable waters, except that unused bitterns may be returned to the body of water from which the process brine solution was originally withdrawn, provided no additional pollutants are added to the bitterns during the production of sodium chloride. (b) Any new source subject to this subpart and using the solution brine-mining process must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.166 Pretreatment standards for new sources (PSNS). top Except as provided in §403.7, any new 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 new sources (PSNS): The limitations are the same as the new source performance standards specified in §415.165. Subpart Q—Sodium Dichromate and Sodium Sulfate Production Subcategory top § 415.170 Applicability; description of the sodium dichromate and sodium sulfate production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of sodium dichromate and by-product sodium sulfate. § 415.171 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term product shall mean sodium dichromate. (c) The term Cr(T) shall mean total chromium. (d) The term Cr(+6) shall mean hexavalent chromium. § 415.172 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): Subpart Q_Sodium Dichromate ------------------------------------------------------------------------ BPT limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 0.44 0.22 Hexavalent Chromium......................... 0.00090 0.00050 Chromium (T)................................ 0.0088 0.0044 Nickel (T).................................. 0.0068 0.0034 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.173 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): The limitations for Chromium (T), Hexavalent Chromium, and Nickel (T) are the same as specified in §415.172. § 415.174 [Reserved] top § 415.175 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): The limitations are the same as specified in §415.172. § 415.176 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 New Sources (PSNS): Subpart Q_Sodium Dichromate ------------------------------------------------------------------------ PSNS effluent limitations ------------------------ Average of Pollutant or pollutant property daily Maximum values for for any 1 30 day consecutive days ------------------------------------------------------------------------ Milligrams per liter ------------------------ Chromium (T)................................... 1.0 0.50 Hexavalent Chromium............................ 0.11 0.060 Nickel (T)..................................... 0.80 0.40 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Chromium (T), Hexavalent Chromium, and Nickel (T) are the same as specified in §415.175. [47 FR 55226, Dec. 8, 1982] § 415.177 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). 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 conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.172. Subpart R—Sodium Metal Production Subcategory [Reserved] top Subpart S—Sodium Silicate Production Subcategory [Reserved] top Subpart T—Sodium Sulfite Production Subcategory top § 415.200 Applicability; description of the sodium sulfite production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of sodium sulfite by reacting sulfur dioxide with sodium carbonate. § 415.201 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term product shall mean sodium sulfite. § 415.202 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): Subpart T_Sodium Sulfite ------------------------------------------------------------------------ BPT limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 0.032 0.016 COD......................................... 3.4 1.7 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.203 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): Subpart T_Sodium Sulfite ------------------------------------------------------------------------ BAT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product --------------------------- Chromium (T)................................ 0.0020 0.00063 Zine (T).................................... 0.0051 0.0015 COD......................................... 3.4 1.7 ------------------------------------------------------------------------ [49 FR 33420, Aug. 22, 1984] § 415.204 [Reserved] top § 415.205 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): Subpart T_Sodium Sulfite ------------------------------------------------------------------------ NSPS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product --------------------------- TSS......................................... 0.032 0.016 Chromium (T)................................ 0.0020 0.00063 Zinc (T).................................... 0.0051 0.0015 COD......................................... 3.4 1.7 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. [49 FR 33421, Aug. 22, 1984] § 415.206 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS). Subpart T_Sodium Sulfite ------------------------------------------------------------------------ PSNS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Chromium (total)............................ 1.3 0.42 Zinc (total)................................ 3.4 1.2 COD......................................... 1,260 630 ------------------------------------------------------------------------ In cases when POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations on chromium (total), zinc (total), and COD are the same as specified in §415.205. [49 FR 33421, Aug. 22, 1984] § 415.207 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). 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 conventional pollutant control technology (BCT): The limitations for TSS and pH are the same as specified in §415.202. [49 FR 33421, Aug. 22, 1984] Subpart U—Sulfuric Acid Production Subcategory [Reserved] top Subpart V—Titanium Dioxide Production Subcategory top § 415.220 Applicability; description of the titanium dioxide production subcategory. top This subpart applies to discharges to waters of the United States and introduction of pollutants into publicly owned treatment works resulting from the production of titanium dioxide by the sulfate process, the chloride process, and the simultaneous beneficiation-chlorination (chloride-ilmenite) process. § 415.221 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term product shall mean titanium dioxide. § 415.222 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). top (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the sulfate process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart V_Titanium Dioxide-Sulfate Process ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 140 38 Chromium (T)................................ 0.48 0.21 Nickel (T).................................. 0.29 0.14 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. (b) Except as provided for in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the chloride process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart V_Titanium Dioxide-Chloride Process ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 23 6.4 Chromium (T)................................ 0.057 0.030 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. (c) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the simultaneous beneficiation-chlorination (chloride/ilmenite) process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart V_Titanium Dioxide-Chloride-Ilmenite Process ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 35 9.6 Chromium (T)................................ 0.12 0.053 Nickel (T).................................. 0.072 0.035 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. [47 FR 28278, June 29, 1982, as amended at 47 FR 55227, Dec. 8, 1982] § 415.223 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). top (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the sulfate process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The limitations are the same for Chromium(T) and Nickel(T) as specified in §415.222(a). (b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the chloride process must achieve the following effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The limitations for Chromium(T) are the same as specified in §415.222(b). (c) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the simultaneous beneficiation-chlorination (chloride-ilmenite) process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The limitations for Chromium(T) and Nickel(T) are the same as specified in §415.222(c). § 415.224 [Reserved] top § 415.225 New source performance standards (NSPS). top (a) Any new source subject to this subpart producing titanium dioxide by the sulfate process must achieve the following new source performance standards (NSPS): Subpart V_Titanium Dioxide-Sulfate Process ------------------------------------------------------------------------ NSPS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 110 30 Iron (T).................................... 4.1 1.2 Chromium (T)................................ 0.27 0.14 Nickel (T).................................. 0.18 0.095 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. (b) Any new source subject to this subpart producing titanium dioxide by the chloride process must achieve the following new source performance standards (NSPS): Subpart V_Titanium Dioxide-Chloride Process ------------------------------------------------------------------------ NSPS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 14 4.0 Iron (T).................................... 0.52 0.16 Chromium (T)................................ 0.023 0.012 ph.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. (c) Any new source subject to this subpart producing titanium dioxide by the simultaneous beneficiation-chlorination (chloride-ilmenite) process must achieve the following new source performance standards (NSPS): Subpart V_Titanium Dioxide-Chloride-Ilmenite Process ------------------------------------------------------------------------ NSPS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 8.4 2.4 Iron (T).................................... 0.32 0.096 Chromium (T)................................ 0.014 0.0072 Nickel (T).................................. 0.020 0.010 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.226 Pretreatment standards for new sources (PSNS). top (a) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing titanium dioxide by the sulfate process which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): Subpart V_Titanium Dioxide_Sulfate Process ------------------------------------------------------------------------ PSNS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/1) --------------------------- Iron (T).................................... 8.5 2.5 Chromium (T)................................ 0.57 0.30 Nickel (T).................................. 0.38 0.20 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Iron(T), Chromium(T), and Nickel(T) are the same as specified in §415.225(a). (b) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing titanium dioxide by the chloride process which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): Subpart V_Titanium Dioxide-Chloride Process ------------------------------------------------------------------------ PSNS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/1) --------------------------- Iron (T).................................... 5.3 1.6 Chromium (T)................................ 0.23 0.12 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as guidance: The limitations for Iron(T) and Chromium(T) are the same as specified in §415.255(b). (c) Except as provided in §403.7, any new source subject to this subpart and producing titanium dioxide by the simultaneous beneficiation-chlorination (chloride-ilmenite) process which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): Subpart V_Titanium Dioxide-Chloride-Ilmenite Process ------------------------------------------------------------------------ PSNS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Iron (T).................................... 5.3 1.6 Chromium (T)................................ 0.23 0.12 Nickel (T).................................. 0.33 0.17 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Iron (T), Chromium (T), and Nickel (T) are the same as specified in §415.225(c). § 415.227 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). 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 conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.222. [47 FR 55227, Dec. 8, 1982] Subpart W—Aluminum Fluoride Production Subcategory top § 415.230 Applicability; description of the aluminum fluoride production subcategory. top This subpart applies to discharges to waters of the United States and introduction of pollutants into publicy owned treatment works resulting from the production of aluminum fluoride. § 415.231 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in Part 401 of this chapter shall apply to this subpart. (b) The term product means aluminum fluoride produced by the dry process in which partially dehydrated alumina hydrate is reacted with hydrofluoric acid gas. § 415.232 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): Subpart W_Aluminum Fluoride ------------------------------------------------------------------------ Pollutant or pollutant property --------------------------- Average of BPT effluent limitations daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 2.4 1.2 Flouride (T)................................ 1.3 0.63 Chromium (T)................................ 0.015 0.0045 Nicket (T).................................. 0.0079 0.0024 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. [47 FR 28278, June 29, 1982, as amended at 47 FR 55227, Dec. 8, 1982] § 415.233 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): The limitations for Fluoride(T), Chromium(T), and Nickel(T) are the same as specified in §415.232. § 415.234 [Reserved] top § 415.235 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): The limitations are the same as specified in §415.232. § 415.236 [Reserved] top § 415.237 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). 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 conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.232. Subpart X—Ammonium Chloride Production Subcategory top § 415.240 Applicability; description of the ammonium chloride production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of ammonium chloride by the reaction of anhydrous ammonia with hydrogen chloride gas and by the recovery process from Solvay process wastes. § 415.241 Specialized definitions. top (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term product shall mean ammonium chloride. (c) The term process wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. The term “process wastewater” does not include contaminated nonprocess wastewater, as defined below. (d) The term process wastewater pollutants means pollutants present in process wastewater. (e) The term contaminated nonprocess wastewater shall mean any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, by-product or waste product by means of (1) rainfall runoff; (2) accidental spills; (3) accidental leaks caused by the failure of process equipment, which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and (4) discharges from safety showers and related personal safety equipment: Provided, that all reasonable measures have been taken (i) to prevent, reduce and control such contact to the maximum extent feasible; and (ii) to mitigate the effects of such contact once it has occurred. § 415.242 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). top (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and reacting anhydrous ammonia with hydrogen chloride gas must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): There shall be no discharge of process wastewater pollutants to navigable waters. (b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the recovery process from Solvay process wastes must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart X_Ammonium Chloride Solvay Process ------------------------------------------------------------------------ BPT limitations ------------------------- Average of daily Pollutant or pollutant property Maximum for values for any 1 day 30 consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product ------------------------- Ammonia (as N)................................ 8.8 4.4 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. Subpart Y—Ammonium Hydroxide Production Subcategory [Reserved] top Subpart Z—Barium Carbonate Production Subcategory [Reserved] top Subpart AA—Borax Production Subcategory top § 415.270 Applicability; description of the borax production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of borax by the ore-mining process and by the Trona process. § 415.271 Specialized definitions. [Reserved] top § 415.272 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters, except that residual brine and depleted liquor may be returned to the body of water from which the process brine solution was originally withdrawn. §§ 415.273-415.275 [Reserved] top § 415.276 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations are the same as specified in §415.272. [49 FR 33421, Aug. 22, 1984] Subpart AB—Boric Acid Production Subcategory top § 415.280 Applicability; description of the boric acid production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of boric acid from ore-mined borax and from borax produced by the Trona process. § 415.281 Specialized definitions. top (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term product shall mean boric acid. § 415.282 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). top (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using borax produced by the Trona process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): There shall be no discharge of process wastewater pollutants to navigable waters, except that residual brine and depleted liquor may be returned to the body of water from which the process brine solution was originally withdrawn. (b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using remined borax must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart AB_Boric Acid Mined Borax Process ------------------------------------------------------------------------ BPT limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- Arsenic..................................... 0.0028 0.0014 TSS......................................... 0.14 0.07 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. Subpart AC—Bromine Production Subcategory top § 415.290 Applicability; description of the bromine production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of bromine by the brine-mining process and by the Trona process. § 415.291 Specialized definitions. [Reserved] top § 415.292 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters, except that residual brine and depleted liquor may be returned to the body of water from which the process brine solution was originally withdrawn. §§ 415.293-415.295 [Reserved] top § 415.296 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations are the same as specified in §415.292. [49 FR 33421, Aug. 22, 1984] Subpart AD—Calcium Carbonate Production Subcategory top § 415.300 Applicability; description of the calcium carbonate production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of calcium carbonate by the milk of lime process and by the recovery process from Solvay process wastes. § 415.301 Specialized definitions. top (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term product shall mean calcium carbonate. § 415.302 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). top (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the milk of lime process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart AD_Calcium Carbonate Milk of Lime Process ------------------------------------------------------------------------ BPT limitations ------------------------- Average of daily Pollutant or pollutant property Maximum for values for any 1 day 30 consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product ------------------------- TSS........................................... 0.56 0.28 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. (b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the recovery process from Solvay process wastes, must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart AD_Calcium Carbonate Solvay Recovery Process ------------------------------------------------------------------------ BPT limitations ------------------------- Average of daily Pollutant or pollutant property Maximum for values for any 1 day 30 consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product ------------------------- TSS........................................... 1.16 0.58 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. Subpart AE—Calcium Hydroxide Production Subcategory top § 415.310 Applicability; description of the calcium hydroxide production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of calcium hydroxide by the lime slaking process. § 415.311 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term process wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. The term “process wastewater” does not include contaminated nonprocess wastewater, as defined below. (c) The term process wastewater pollutants means pollutants present in process wastewater. (d) The term contaminated nonprocess wastewater shall mean any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, by-product or waste product by means of (1) rainfall runoff; (2) accidental spills; (3) accidental leaks caused by the failure of process equipment, which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and (4) discharges from safety showers and related personal safety equipment: Provided, that all reasonable measures have been taken (i) to prevent, reduce and control such contact to the maximum extent feasible; and (ii) to mitigate the effects of such contact once it has occurred. § 415.312 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters. §§ 415.313-415.315 [Reserved] top § 415.316 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations are the same as specified in §415.312. [49 FR 33421, Aug. 22, 1984] Subpart AF—Carbon Dioxide Production Subcategory [Reserved] top Subpart AG—Carbon Monoxide and By-Product Hydrogen Production Subcategory top § 415.330 Applicability; description of the carbon monoxide and by-product hydrogen production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of carbon monoxide and by-product hydrogen by the reforming process. § 415.331 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term product shall mean carbon monoxide plus hydrogen. (c) The term process wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. The term “process wastewater” does not include contaminated nonprocess wastewater, as defined below. (d) The term process wastewater pollutants means pollutants present in process wastewater. (e) The term contaminated nonprocess wastewater shall mean any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, by-product or waste product by means of (1) rainfall runoff; (2) accidental spills; (3) accidental leaks caused by the failure of process equipment, which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and (4) discharges from safety showers and related personal safety equipment: Provided, that all reasonable measures have been taken (i) to prevent, reduce and control such contact to the maximum extent feasible; and (ii) to mitigate the effects of such contact once it has occurred. § 415.332 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): Subpart AG_Carbon Monoxide ------------------------------------------------------------------------ BPT limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- COD......................................... 0.50 0.25 TSS......................................... 0.12 0.060 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. Subpart AH—Chrome Pigments Production Subcategory top § 415.340 Applicability; description of the chrome pigments production subcategory. top This subpart applies to discharges to waters of the United States and introduction of pollutants into publicly owned treatment works resulting from the production of chrome pigments. § 415.341 Specialized definitions. top For the purposes of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term chrome pigments means chrome yellow, chrome orange, molybdate chrome orange, anhydrous and hydrous chromium oxide, chrome green, and zinc yellow. (c) The term product means chrome pigments. § 415.342 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): Subpart AH_Chrome Pigments ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 9.1 3.8 Chromium (T)................................ 0.31 0.13 Lead (T).................................... 0.36 0.15 Zinc (T).................................... 0.31 0.13 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.343 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): The limitations for Chromium(T), Lead(T), and Zinc(T) are the same as specified in §415.342. § 415.344 Pretreatment standards for existing sources (PSES). top (a) Existing sources which annually introduce less than 210,000 cubic meters per year (55 million gallons per year) of chrome pigments process wastewater into a publicly owned treatment works are subject only to the standards specified in 40 CFR part 403. (b) Except as provided in 40 CFR 403.7 and 403.13 and paragraph (a) of this section, 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 (PSES): Subpart AH_Chrome Pigments ------------------------------------------------------------------------ PSES effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Chromium (T)................................ 2.9 1.2 Lead (T).................................... 3.4 1.4 Zinc (T).................................... 2.9 1.2 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Chromium(T), Lead(T), and Zinc(T) are the same as specified in §415.342 § 415.345 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): The limitations are the same as specified in §415.342. § 415.346 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 New Sources (PSNS): The limitations are the same as specified in §415.344. [47 FR 55227, Dec. 8, 1982] § 415.347 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). 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 conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.342. [47 FR 55227, Dec. 8, 1982] Subpart AI—Chromic Acid Production Subcategory top § 415.350 Applicability; description of the chromic acid production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of chromic acid in facilities which also manufacture sodium dichromate. § 415.351 Specialized definitions. [Reserved] top § 415.352 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters, except as provided for in §415.172. §§ 415.353-415.355 [Reserved] top § 415.356 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations are the same as specified in §415.352. [49 FR 33421, Aug. 22, 1984] Subpart AJ—Copper Salts Production Subcategory top Source: 49 FR 33421, Aug. 22, 1984, unless otherwise noted. § 415.360 Applicability; description of the copper salts production subcategory. top The provisions of this subpart are applicable to discharges and to the introduction of pollutants into treatment works which are publicly owned resulting from the production of copper salts, including (a) copper sulfate, copper chloride, copper iodide, and copper nitrate, and (b) copper carbonate. § 415.361 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations, and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term product shall mean copper salts. (c) The term copper shall mean the total copper present in the process wastewater stream exiting the wastewater treatment system. (d) The term selenium shall mean the total selenium present in the process wastewater stream exiting the wastewater treatment system. (e) The term nickel shall mean the total nickel present in the process wastewater stream exiting the wastewater treatment system. § 415.362 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). top (a) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing copper sulfate, copper chloride, copper iodide, or copper nitrate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). Subpart AJ_Copper Sulfate, Copper Chloride, Copper Iodide, Copper Nitrate ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product --------------------------- TSS......................................... 0.069 0.023 Copper (T).................................. 0.0030 0.0010 Nickel (T).................................. 0.0060 0.0020 Selenium (T)................................ 0.0015 0.00050 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. (b) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing copper carbonate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart AJ_Copper Carbonate ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product --------------------------- TSS......................................... 4.2 1.4 Copper (T).................................. 0.19 0.064 Nickel (T).................................. 0.37 0.12 Selenium (T)................................ 0.093 0.031 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.363 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). top (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing copper sulfate, copper chloride, copper iodide, or copper nitrate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The limitations for copper (T), nickel (T), and selenium (T) are the same as specified in §415.362(a). (b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing copper carbonate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The limitations for copper (T), nickel (T) and selenium (T) are the same as specified in §415.362(b). § 415.364 Pretreatment standards for existing sources (PSES). top (a) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart and producing copper sulfate, copper chloride, copper iodide, or copper nitrate 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 (PSES): Subpart AJ_Copper Sulfate, Copper Chloride, Copper Iodide, Copper Nitrate ------------------------------------------------------------------------ PSES effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Copper(T)................................... 3.2 1.1 Nickel(T)................................... 6.4 2.1 Selenium(T)................................. 1.6 0.53 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for copper (T), nickel (T), and selenium (T) are the same as specified in §415.362(a). (b) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart and producing copper carbonate 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 (PSES): Subpart AJ_Copper Carbonate ------------------------------------------------------------------------ PSES effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Copper (T).................................. 3.2 1.1 Nickel (T).................................. 6.4 2.1 Selenium (T)................................ 1.6 0.53 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for copper (T), nickel (T), and selenium (T) are the same as specified in §415.362(b). § 415.365 New source performance standards (NSPS). top (a) Any new source subject to this subpart and producing copper sulfate, copper chloride, copper iodide, or copper nitrate must achieve the following new source performance standards (NSPS): The limitations for pH, TSS, copper (T), nickel (T), and selenium (T), are the same as specified in §415.362(a). (b) Any new source subject to this subpart and producing copper carbonate must achieve the following new source performance standards (NSPS): The limitations for pH, TSS, copper (T), nickel (T), and selenium (T) are the same as specified in §415.362(b). § 415.366 Pretreatment standards for new sources (PSNS). top (a) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing copper sulfate, copper chloride, copper iodide, or copper nitrate which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): The limitations for copper (T), nickel (T), and selenium (T) are the same as specified in §415.364(a). (b) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing copper carbonate which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): The limitations for copper (T), nickel (T), and selenium (T) are the same as specified in §415.364(b). § 415.367 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). top (a) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing copper sulfate, copper chloride, copper iodide, or copper nitrate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.362(a). (b) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing copper carbonate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.362(b). Subpart AK—Cuprous Oxide Production Subcategory [Reserved] top Subpart AL—Ferric Chloride Production Subcategory top § 415.380 Applicability; description of the ferric chloride production subcategory. top The provisions of this subpart are applicable to discharges and to the introduction of pollutants into treatment works which are publicly owned resulting from the production of ferric chloride from pickle liquor. § 415.381 Specialized definitions. top (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term process wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. The term “process wastewater” does not include contaminated nonprocess wastewater, as defined below. (c) The term process wastewater pollutants means pollutants present in process wastewater. (d) The term contaminated nonprocess wastewater shall mean any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, by-product or waste product by means of (1) rainfall runoff; (2) accidental spills; (3) accidental leaks caused by the failure of process equipment, which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and (4) discharges from safety showers and related personal safety equipment: Provided, that all reasonable measures have been taken (i) to prevent, reduce and control such contact to the maximum extent feasible; and (ii) to mitigate the effects of such contact once it has occurred. § 415.382 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.383 [Reserved] top § 415.384 Pretreatment standards for existing sources (PSES). 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 (PSES): Subpart AL_Ferric Chloride ------------------------------------------------------------------------ PSES limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Total Chromium.............................. 3.0 1.0 Hexavalent Chromium......................... 0.25 0.09 Copper (T).................................. 1.0 0.50 Nickel (T).................................. 2.0 1.0 Zinc (T).................................... 5.0 2.5 ------------------------------------------------------------------------ § 415.385 [Reserved] top § 415.386 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations are the same as specified in §415.382. [49 FR 33423, Aug. 22, 1984] Subpart AM—Ferrous Sulfate Production Subcategory [Reserved] top Subpart AN—Fluorine Production Subcategory top § 415.400 Applicability; description of the fluorine production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of fluorine by the liquid hydrofluoric acid electrolysis process. § 415.401 Specialized definitions. top (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term process wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. The term “process wastewater” does not include contaminated non-process wastewater, as defined below. (c) The term process wastewater pollutants means pollutants present in process wastewater. (d) The term contaminated nonprocess wastewater shall mean any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, by-product or waste product by means of (1) rainall runoff; (2) accidental spills; (3) accidental leaks caused by the failure of process equipment, which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and (4) discharges from safety showers, and related personal safety equipment: Provided, that all reasonable measures have been taken (i) to prevent, reduce and control such contact to the maximum extent feasible; and (ii) to mitigate the effects of such contact once it has occurred. § 415.402 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters. §§ 415.403-415.405 [Reserved] top § 415.406 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations are the same as specified in §415.402. [49 FR 33423, Aug. 22, 1984] Subpart AO—Hydrogen Production Subcategory top § 415.410 Applicability; description of the hydrogen production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of hydrogen as a refinery by-product. § 415.411 Specialized definitions. top (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart. (b) The term process wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. The term “process wastewater” does not include contaminated nonprocess wastewater, as defined below. (c) The term process wastewater pollutants means pollutants present in process wastewater. (d) The term contaminated nonprocess wastewater shall mean any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, by-product or waste product by means of (1) rainfall runoff; (2) accidental spills; (3) accidental leaks caused by the failure of process equipment, which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and (4) discharges from safety showers and related personal safety equipment: Provided, that all reasonable measures have been taken (i) to prevent, reduce and control such contact to the maximum extent feasible; and (ii) to mitigate the effects of such contact once it has occurred. § 415.412 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters, except as provided for in part 419 of this chapter (39 FR 16560). Subpart AP—Hydrogen Cyanide Production Subcategory top § 415.420 Applicability; description of the hydrogen cyanide production subcategory. top This subpart applies to discharges to waters of the United States and introduction of pollutants into publicly owned treatment works resulting from the production of hydrogen cyanide by the Andrussow process. § 415.421 Specialized definitions. top For the purposes of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term product means hydrogen cyanide. (c) The term Cyanide A means those cyanides amenable to chlorination and is determined by the methods specified in 40 CFR 136.3. § 415.422 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): Subpart AP_Hydrogen Cyanide ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 8.6 3.2 Cyanide A................................... 0.10 0.021 Total Cyanide............................... 0.65 0.23 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 10.5. § 415.423 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): Subpart AP_Hydrogen Cyanide ------------------------------------------------------------------------ BAT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- Cyanide A................................... 0.10 0.021 Total Cyanide............................... 0.65 0.23 Total Residual Chlorine..................... 0.086 0.051 ------------------------------------------------------------------------ § 415.424 [Reserved] top § 415.425 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): Subpart AP_Hydrogen Cyanide ------------------------------------------------------------------------ NSPS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 8.6 3.2 Cyanide A................................... 0.10 0.021 Total Cyanide............................... 0.65 0.23 Total Residual Chlorine..................... 0.086 0.051 Ph.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 10.5. § 415.426 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 New Sources (PSNS): Subpart AP_Hydrogen Cyanide ------------------------------------------------------------------------ PSNS effluent limitations ------------------------ Average of Pollutant or pollutant property daily Maximum values for for any 1 30 day consecutive days ------------------------------------------------------------------------ Milligrams per liter ------------------------ Cyanide A...................................... 1.7 0.36 Total Cyanide.................................. 11 4.0 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Cyanide A and Total Cyanide are the same as specified in §415.425. [47 FR 55227, Dec. 8, 1982] § 415.427 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). 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 conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.422. Subpart AQ—Iodine Production Subcategory top § 415.430 Applicability; description of the iodine production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of iodine. § 415.431 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term process wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. The term “process wastewater” does not include contaminated non-process wastewater, as defined below. (c) The term process wastewater pollutants means pollutants present in process wastewater. (d) The term contaminated non-process wastewater shall mean any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, by-product or waste product by means of (1) rainfall runoff; (2) accidental spills; (3) accidental leaks caused by the failure of process equipment, which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and (4) discharges from safety showers and related personal safety equipment: Provided, that all reasonable measures have been taken (i) to prevent, reduce and control such contact to the maximum extent feasible; and (ii) to mitigate the effects of such contact once it has occurred. [47 FR 28278, June 29, 1982; 47 FR 55227, Dec. 8, 1982] § 415.432 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters. §§ 415.433-415.435 [Reserved] top § 415.436 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations are the same as specified in §415.432. [49 FR 33423, Aug. 22, 1984] Subpart AR—Lead Monoxide Production Subcategory top § 415.440 Applicability; description of the lead monoxide production subcategory. top The provisions of this subpart are applicable to discharges and to the introduction of pollutants into treatment works which are publicly owned resulting from the production of lead monoxide. § 415.441 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term process wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. The term “process wastewater” does not include contaminated non-process wastewater, as defined below. (c) The term process wastewater pollutants means pollutants present in process wastewater. (d) The term contaminated non-process wastewater shall mean any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, by-product or waste product by means of (1) rainfall runoff; (2) accidental spills; (3) accidental leaks caused by the failure of process equipment, which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and (4) discharges from safety showers and related personal safety equipment; Provided, that all reasonable measures have been taken (i) to prevent, reduce and control such contact to the maximum extent feasible; and (ii) to mitigate the effects of such contact one it has occurred. [47 FR 28278, June 29, 1982; 47 FR 55227, Dec. 8, 1982] § 415.442 Effluent limitations quidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.443 [Reserved] top § 415.444 Pretreatment standards for existing sources (PSES). 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 40 and achieve the following pretreatment standards for existing sources (PSES): Subpart AR_Lead Monoxide ------------------------------------------------------------------------ PSES effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/1) --------------------------- Lead........................................ 2.0 1.0 ------------------------------------------------------------------------ § 415.445 [Reserved] top § 415.446 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations are the same as specified in §415.442. [49 FR 33423, Aug. 22, 1984] Subpart AS—Lithium Carbonate Production Subcategory top § 415.450 Applicability; description of the lithium carbonate production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of lithium carbonate by the Trona process and from spodumene ore. § 415.451 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term product shall mean lithium carbonate. § 415.452 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). top (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the Trona process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best praticable control technology currently available (BPT): There shall be no discharge of process wastewater pollutants to navigable waters, except that residual brine and depleted liquor may be returned to the body of water from which the process brine solution was originally withdrawn. (b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using spodumene ore must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart AS_Lithium Carbonate ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 pounds) of product --------------------------- TSS......................................... 2.7 0.90 (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. Subpart AT—Manganese Sulfate Production Subcategory [Reserved] top Subpart AU—Nickel Salts Production Subcategory top Source: 49 FR 33423, Aug. 22, 1984, unless otherwise noted. § 415.470 Applicability; description of the nickel salts production subcategory. top The provisions of this subpart are applicable to discharges and to the introduction of pollutants into treatment works which are publicly owned resulting from the production of nickel salts, including (a) nickel sulfate, nickel chloride, nickel nitrate, and nickel fluoborate, and (b) nickel carbonate. § 415.471 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations, and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term product shall mean nickel salts. (c) The term nickel shall mean the total nickel present in the process wastewater stream exiting the wastewater treatment system. (d) The term copper shall mean the total copper present in the process wastewater stream exiting the wastewater treatment system. § 415.472 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). top (a) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing nickel sulfate, nickel chloride, nickel nitrate, or nickel fluoborate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart AU_Nickel Sulfate, Nickel Chloride, Nickel Nitrate, Nickel Fluoborate ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product --------------------------- TSS......................................... 0.096 0.032 Nickel (T).................................. 0.0060 0.0020 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. (b) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing nickel carbonate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart AU_Nickel Carbonate ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product --------------------------- TSS......................................... 17. 5.6 Nickel (T).................................. 1.1 0.35 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.473 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). top (a) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing nickel sulfate, nickel chloride, nickel nitrate, or nickel fluoborate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): Subpart AU_Nickel Sulfate, Nickel Chloride, Nickel Nitrate, Nickel Fluoborate ------------------------------------------------------------------------ BAT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product --------------------------- Copper (T).................................. 0.00074 0.00024 Nickel (T).................................. 0.00074 0.00024 ------------------------------------------------------------------------ (b) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing nickel carbonate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): Subpart AU_Nickel Carbonate ------------------------------------------------------------------------ BAT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) or product --------------------------- Copper (T).................................. 0.13 0.042 Nickel (T).................................. 0.13 0.042 ------------------------------------------------------------------------ § 415.474 Pretreatment standards for existing sources (PSES). top (a) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart and producing nickel sulfate, nickel chloride, nickel nitrate, or nickel fluoborate 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 (PSES): Subpart AU_Nickel Sulfate, Nickel Chloride, Nickel Nitrate, Nickel Fluoborate ------------------------------------------------------------------------ PSES effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Copper(T)................................... 1.1 0.36 Nickel(T)................................... 1.1 0.36 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for copper (T) and nickel (T) are the same as specified in §415.473(a). (b) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart and producing nickel carbonate 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 (PSES): Subpart AU_Nickel Carbonate ------------------------------------------------------------------------ PSES effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Copper(T)................................... 1.1 0.36 Nickel(T)................................... 1.1 0.36 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for copper (T) and nickel (T) are the same as specified in §415.473(b). § 415.475 New source performance standards (NSPS). top (a) Any new source subject to this subpart and producing nickel sulfate, nickel chloride, nickel fluorobate or nickel nitrate must achieve the following new source performance standards (NSPS): Subpart AU_Nickel Sulfate, Nickel Chloride, Nickel Nitrate, and Nickel Fluoborate ------------------------------------------------------------------------ NSPS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 0.096 0.032 Copper...................................... 0.00074 0.00024 Nickel...................................... 0.00074 0.00024 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. (b) Any new source subject to this subpart and producing nickel carbonate must achieve the following new source performance standards (NSPS): Subpart AU_Nickel Carbonate ------------------------------------------------------------------------ NSPS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) or product --------------------------- TSS......................................... 17. 5.6 Copper...................................... 0.13 0.042 Nickel...................................... 0.13 0.042 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.476 Pretreatment standards for new sources (PSNS). top (a) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing nickel sulfate, nickel chloride, nickel fluoborate or nickel nitrate which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): The limitations for copper (T) and nickel (T) are the same as specified in §415.474(a). (b) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing nickel carbonate which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): The limitations for copper (T) and nickel (T) are the same as specified in §415.474(b). § 415.477 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). top (a) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing nickel sulfate, nickel chloride, nickel fluoborate or nickel nitrate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.472(a). (b) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing nickel carbonate must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.472(b). Subpart AV—Strong Nitric Acid Production Subcategory [Reserved] top Subpart AW—Oxygen and Nitrogen Production Subcategory top § 415.490 Applicability; description of the oxygen and nitrogen production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of oxygen and nitrogen by air liquification. § 415.491 Specialized definitions. [Reserved] top § 415.492 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): Subpart AW_Oxygen and Nitrogen ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollution or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- Oil and grease.............................. 0.0020 0.0010 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. Subpart AX—Potassium Chloride Production Subcategory top § 415.500 Applicability; description of the potassium chloride production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of potassium chloride by the Trona process and by the mining process. § 415.501 Specialized definitions. [Reserved] top § 415.502 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters, except that residual brine and depleted liquor may be returned to the body of water from which the process brine solution was originally withdrawn. §§ 415.503-415.505 [Reserved] top § 415.506 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations are the same as specified in §415.502. [49 FR 33425, Aug. 22, 1984] Subpart AY—Potassium Iodide Production Subcategory top § 415.510 Applicability; description of the potassium iodide production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of potassium iodide. § 415.511 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term product shall mean potassium iodide. § 415.512 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): Subpart AY_Potassium Iodide ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 0.090 0.030 Sulfide..................................... 0.015 0.0050 Iron........................................ 0.015 0.0050 Barium...................................... 0.0090 0.0030 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. Subpart AZ—Potassium Permanganate Production Subcategory [Reserved] top Subpart BA—Silver Nitrate Production Subcategory top § 415.530 Applicability; description of the silver nitrate production subcategory. top The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from the production of silver nitrate. § 415.531 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term product shall mean silver nitrate. (c) The term process wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. The term “process wastewater” does not include contaminated non-process wastewater, as defined below. (d) The term process wastewater pollutants means pollutants present in process wastewater. (e) The term contaminated non-process wastewater shall mean any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, by-product or waste product by means of (1) rainfall runoff; (2) accidental spills; (3) accidental leaks caused by the failure of process equipment, which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and (4) discharges from safety showers and related personal safety equipment: Provided, That all reasonable measures have been taken (i) to prevent, reduce and control such contact to the maximum extent feasible; and (ii) to mitigate the effects of such contact once it has occurred. § 415.532 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): Subpart BA_Silver Nitrate ------------------------------------------------------------------------ BPT limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- Silver...................................... 0.0090 0.0030 TSS......................................... 0.069 0.023 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.533 [Reserved] top § 415.534 Pretreatment standards for existing sources (PSES). 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 (PSES): Subpart BA_Silver Nitrate ------------------------------------------------------------------------ PSES limitations --------------------------- Average of Pollution or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligram per liter (mg/l) --------------------------- Silver...................................... 1.0 0.5 ------------------------------------------------------------------------ Subpart BB—Sodium Bisulfite Production Subcategory top § 415.540 Applicability; description of the sodium bisulfite production subcategory. top This subpart applies to discharges to waters of the United States and introduction of pollutants into publicly owned treatment works resulting from the production of sodium bisulfite. § 415.541 Specialized definitions. top For the purposes of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term product means sodium bisulfite. § 415.542 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): Subpart BB_Sodium Bisulfite ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per 1,000 lb) of product --------------------------- TSS......................................... 0.32 0.080 COD......................................... 3.8 0.95 Chromium (T)................................ 0.0020 0.00063 Zinc (T).................................... 0.0051 0.0015 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.543 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The limitations on COD, Chromium(T), and Zinc(T) are the same as specified in §415.542. § 415.544 [Reserved] top § 415.545 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): The limitations are the same as specified in §415.542. § 415.546 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 New Sources (PSNS): Subpart BB_Sodium Bisulfite ------------------------------------------------------------------------ PSNS effluent limitations ------------------------ Average of Pollutant or pollutant property daily Maximum values for for any 1 30 day consecutive days ------------------------------------------------------------------------ Milligrams per liter ------------------------ Chromium (T)................................... 1.3 0.42 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Chromium (T) are the same as specified in §415.545. [47 FR 55227, Dec. 8, 1982] § 415.547 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). 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 conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §414.542. Subpart BC—Sodium Fluoride Production Subcategory top § 415.550 Applicability; description of the sodium fluoride production subcategory. top The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from the production of sodium fluoride by the anhydrous neutralization process and by the silico fluoride process. § 415.551 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term process wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. The term “process wastewater” does not include contaminated non-process wastewater, as defined below. (c) The term process wastewater pollutants means pollutants present in process wastewater. (d) The term contaminated non-process wastewater shall mean any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, by-product or waste product by means of (1) rainfall runoff; (2) accidental spills; (3) accidental leaks caused by the failure of process equipment, which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and (4) discharges from safety showers and related personal safety equipment: Provided, that all reasonable measures have been taken (i) to prevent, reduce and control, such contact to the maximum extent feasible; and (ii) to mitigate the effects of such contact once it has occurred. § 415.552 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control techology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters. § 415.553 [Reserved] top § 415.554 Pretreatment standards for existing sources (PSES). top Except as provided in 40 CFR 403.7 and 493.13, 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 (PSES): Subpart BC_Sodium Fluoride ------------------------------------------------------------------------ PSES effluent limitations ------------------------- Average of Pollution or pollutant property daily Maximum for values for any 1 day 30 consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) ------------------------- Fluoride...................................... 50 25 ------------------------------------------------------------------------ § 415.555 [Reserved] top § 415.556 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations are the same as specified in §415.552. [49 FR 33425, Aug. 22, 1984] Subpart BD—Sodium Hydrosulfide Production Subcategory [Reserved] top Subpart BE—Sodium Hydrosulfite Production Subcategory [Reserved] top Subpart BF—Sodium Silicofluoride Production Subcategory [Reserved] top Subpart BG—Sodium Thiosulfate Production Subcategory [Reserved] top Subpart BH—Stannic Oxide Production Subcategory top § 415.600 Applicability; description of the stannic oxide production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of stannic oxide by the reaction of tin metal with air or oxygen. § 415.601 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term process wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. The term “process wastewater” does not include contaminated nonprocess wastewater, as defined below. (c) The term process wastewater pollutants means pollutants present in process wastewater. (d) The term contaminated non-process wastewater shall mean any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, byproduct or waste product by means of (1) rainfall runoff; (2) accidental spills; (3) accidental leaks caused by the failure of process equipment, which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and (4) discharges from safety showers and related personal safety equipment: Provided, that all reasonable measures have been taken (i) to prevent, reduce and control such contact to the maximum extent feasible; and (ii) to mitigate the effects of such contact once it has occurred. § 415.602 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters. §§ 415.603-415.605 [Reserved] top § 415.606 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations are the same as specified in §415.602. [49 FR 33425, Aug. 22, 1984] Subpart BI—Sulfur Dioxide Production Subcategory [Reserved] top Subpart BJ—Zinc Oxide Production Subcategory [Reserved] top Subpart BK—Zinc Sulfate Production Subcategory top § 415.630 Applicability; description of the zinc sulfate production subcategory. top The provisions of this subpart are applicable to discharges resulting from the production of zinc sulfate. § 415.631 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term process wastewater means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. The term “process wastewater” does not include contaminated non-process wastewater, as defined below. (c) The term process wastewater pollutants means pollutants present in process wastewater. (d) The term contaminated non-process wastewater shall mean any water which, during manufacturing or processing, comes into incidental contact with any raw material, intermediate product, finished product, by-product or waste product by means of (1) rainfall runoff; (2) accidental spills; (3) accidental leaks caused by the failure of process equipment, which are repaired within the shortest reasonable time not to exceed 24 hours after discovery; and (4) discharges from safety showers and related personal safety equipment: Provided, that all reasonable measures have been taken (i) to prevent, reduce and control such contact to the maximum extent feasible; and (ii) to mitigate the effects of such contact once it has occurred. § 415.632 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): There shall be no discharge of process wastewater pollutants to navigable waters. §§ 415.633-415.635 [Reserved] top § 415.636 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations are the same as specified in §415.632. [49 FR 33425, Aug. 22, 1984] Subpart BL—Cadmium Pigments and Salts Production Subcategory top Source: 49 FR 33426, Aug. 22, 1984, unless otherwise noted. § 415.640 Applicability; description of the cadmium pigments and salts production subcategory. top The provisions of this subpart are applicable to discharges and to the introduction of pollutants into treatment works which are publicly owned resulting from the production of cadmium pigments and salts including cadmium chloride, cadmium nitrate, and cadmium sulfate salts. § 415.641 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations, and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term product shall mean cadmium pigment or cadmium salt. (c) The term cadmium shall mean the total cadmium present in the process wastewater stream exiting the wastewater treatment system. (d) The term selenium shall mean the total selenium present in the process wastewater stream exiting the wastewater treatment system. (e) The term zinc shall mean the total zinc present in the process wastewater stream exiting the wastewater treatment system. § 415.642 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). top (a) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing cadmium pigments must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). Subpart BL_Cadmium Pigments ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product --------------------------- TSS......................................... 2.59 1.57 Cadmium (T)................................. 0.078 0.026 Selenium (T)................................ 0.11 0.037 Zinc (T).................................... 0.017 0.0092 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. (b) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing cadmium salts must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): Subpart BL_Cadmium Salts ------------------------------------------------------------------------ BPT effluent limitations ------------------------- Average of daily Pollutant or pollutant property Maximum for values for any 1 day 30 consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product ------------------------- TSS........................................... 0.0016 0.001 Cadmium (T)................................... 4.87x10-5 1.62x10-5 Selenium (T).................................. 7.0x10-5 2.3x10-5 Zinc (T)...................................... 1.04x10-5 5.8x10-6 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.643 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). top (a) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing cadmium pigments must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The limitations for Cadmium (T), Selenium (T), and Zinc (T) are the same as specified in §415.642(a). (b) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing cadmium salts must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The limitations for cadmium (T), selenium (T), and zinc (T) are the same as specified in §414.642(b). § 415.644 Pretreatment standards for existing sources (PSES). top (a) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart and producing cadmium pigments 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 (PSES): Subpart BL_Cadmium Pigments ------------------------------------------------------------------------ PSES effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Cadmium (T)................................. 0.84 0.28 Selenium (T)................................ 1.1 0.40 Zinc (T).................................... 0.18 0.10 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for cadmium (T), selenium (T), and zinc (T) are the same as specified in §415.642(a). (b) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart and producing cadmium salts 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 (PSES): Subpart BL_Cadmium Salts ------------------------------------------------------------------------ PSES effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Cadmium (T)................................. 0.84 0.28 Selenium (T)................................ 1.1 0.40 Zinc (T).................................... 0.18 0.10 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for cadmium (T), selenium (T), and zinc (T) are the same as specified in §415.642(b). § 415.645 New source performance standards (NSPS). top (a) Any new source subject to this subpart and producing cadmium pigments must achieve the following new source performance standards (NSPS): The limitations for pH, TSS, cadmium (T), selenium (T), and zinc (T), are the same as specified in §415.642(a). (b) Any new source subject to this subpart and producing cadmium salts must achieve the following new source performance standards (NSPS): The limitations for pH, TSS, cadmium (T), selenium (T), and zinc (T), are the same as specified in §415.642(b). § 415.646 Pretreatment standards for new sources (PSNS). top (a) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing cadmium pigments which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): The limitations for cadmium (T), selenium (T), and zinc (T), are the same as specified in §415.644(a). (b) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing cadmium salts which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): The limitations for cadmium (T), selenium (T), and zinc (T) are the same as specified in §415.644(b). § 415.647 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). top (a) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing cadmium pigments must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.642(a). (b) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing cadmium salts must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.642(b). Subpart BM—Cobalt Salts Production Subcategory top Source: 49 FR 33427, Aug. 22, 1984, unless otherwise noted. § 415.650 Applicability; description of the cobalt salts production subcategory. top The provisions of this subpart are applicable to discharges and to the introduction of pollutants into treatment works which are publicly owned resulting from the production of cobalt salts. § 415.651 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations, and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term product shall mean cobalt salts. (c) The term cobalt shall mean the total cobalt present in the process wastewater stream exiting the wastewater treatment system. (d) The term copper shall mean the total copper present in the process wastewater stream exiting the wastewater treatment system. (e) The term nickel shall mean the total nickel present in the process wastewater stream exiting the wastewater treatment system. § 415.652 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 (BPT): Subpart BM_Cobalt Salts ------------------------------------------------------------------------ BPT effluent limitations ------------------------- Average of daily Pollutant or pollutant property Maximum for values for any 1 day 30 consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product ------------------------- TSS........................................... 0.0023 0.0014 Cobalt (T).................................... 0.0003 0.00012 Copper (T).................................... 2.7x10-4 8.3x10-5 Nickel (T).................................... 2.7x10-4 8.3x10-5 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.653 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT): The limitations for cobalt (T), copper (T), and nickel (T), are the same as specified in §415.652. § 415.654 Pretreatment standards for existing sources (PSES). 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 (PSES): Subpart BM_Cobalt Salts ------------------------------------------------------------------------ PSES effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Cobalt (T).................................. 3.6 1.4 Copper (T).................................. 3.3 1.0 Nickel (T).................................. 3.3 1.0 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for cobalt (T), copper (T), and nickel (T), are the same as specified in §415.652. § 415.655 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): The limitations for pH, TSS, cobalt (T), copper (T), and nickel (T) are the same as specified in §415.652. § 415.656 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations for cobalt (T), copper (T), and nickel (T), are the same as specified in §415.654. § 415.657 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). 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 conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.652. Subpart BN—Sodium Chlorate Production Subcategory top Source: 49 FR 33428, Aug. 22, 1984, unless otherwise noted. § 415.660 Applicability; description of the sodium chlorate production subcategory. top The provisions of this subpart are applicable to discharges and to the introduction of pollutants into treatment works which are publicly owned resulting from the production of sodium chlorate. § 415.661 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations, and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term product shall mean sodium chlorate. (c) The term chromium shall mean the total chromium present in the process wastewater stream exiting the wastewater treatment system. (d) The term chlorine shall mean the total residual chlorine present in the process wastewater stream exiting the wastewater treatment system. (e) The term antimony shall mean the total antimony present in the process wastewater stream exiting the wastewater treatment system. § 415.662 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). top (a) 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 (BPT). Subpart BN_Sodium Chlorate ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product --------------------------- TSS......................................... 0.12 0.068 Antimony (T)................................ 0.0086 0.0043 Chromium (T)................................ 0.0027 0.0014 Chlorine (total residual)................... 0.0041 0.0024 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. (b) [Reserved] [49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984] § 415.663 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT). Subpart BN_Sodium Chlorate ------------------------------------------------------------------------ BAT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product --------------------------- Antimony (T)................................ 0.0043 0.0022 Chromium (T)................................ 0.0017 0.00086 Chlorine (total residual)................... 0.0041 0.0024 ------------------------------------------------------------------------ [49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984] § 415.664 Pretreatment standards for existing sources (PSES). [Reserved] top § 415.665 New source performance standards (NSPS). top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): Subpart BN_Sodium Chlorate ------------------------------------------------------------------------ NSPS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (or pounds per/ 1,000 lb) of product --------------------------- TSS......................................... 0.076 0.046 Antimony (T)................................ 0.0043 0.0022 Chromium (T)................................ 0.0017 0.00086 Chlorine (total residual)................... 0.0041 0.0024 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. § 415.666 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): Subpart BN_Sodium Chlorate ------------------------------------------------------------------------ PSNS effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Antimony (T)................................ 1.6 0.8 Chromium (T)................................ 0.64 0.32 ------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for antimony(T) and chromium(T) are the same as specified in §415.663. [49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984] § 415.667 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). 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 conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.662. Subpart BO—Zinc Chloride Production Subcategory top Source: 49 FR 33428, Aug. 22, 1984, unless otherwise noted. § 415.670 Applicability; description of the zinc chloride production subcategory. top The provisions of this subpart are applicable to discharges and to the introduction of pollutants into treatment works which are publicly owned resulting from the production of zinc chloride. § 415.671 Specialized definitions. top For the purpose of this subpart: (a) Except as provided below, the general definitions, abbreviations, and methods of analysis set forth in part 401 of this chapter shall apply to this subpart. (b) The term product shall mean zinc chloride. (c) The term arsenic shall mean the total arsenic present in the process wastewater stream exiting the wastewater treatment system. (d) The term zinc shall mean the total zinc present in the process wastewater stream exiting the wastewater treatment system. (e) The term lead shall mean the total lead present in the process wastewater stream exiting the wastewater treatment system. § 415.672 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). top (a) 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 (BPT). Subpart BO_Zinc Chloride ------------------------------------------------------------------------ BPT effluent limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- TSS......................................... 43 25 Arsenic (T)................................. 3.0 1.0 Zinc (T).................................... 11.4 3.8 Lead (T).................................... 1.8 0.6 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 10.0 [49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984] § 415.673 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). 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 (BAT). Subpart BO_Zinc Chloride ------------------------------------------------------------------------ BAT effluent limitations ----------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/ l) ----------------------------- Arsenic (T)............................... 3.0 1.0 Zinc (T).................................. 2.3 0.76 Lead (T).................................. 0.18 0.048 ------------------------------------------------------------------------ [49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984] § 415.674 Pretreatment standards for existing sources (PSES). 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 (PSES): Subpart BO_Zinc Chloride ------------------------------------------------------------------------ PSES effluent limitations ----------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/ l) ----------------------------- Arsenic (T)............................... 3.0 1.0 Zinc (T).................................. 2.3 0.76 Lead (T).................................. 0.18 0.048 ------------------------------------------------------------------------ [49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984] § 415.675 New source performance standards (NSPS): top Any new source subject to this subpart must achieve the following new source performance standards (NSPS): Subpart BO_Zinc Chloride ------------------------------------------------------------------------ NSPS effluent limitations ----------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/ l) ----------------------------- TSS....................................... 28 17 Arsenic (T)............................... 3.0 1.0. Zinc (T).................................. 2.3 0.76 Lead (T).................................. 0.18 0.048 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 10.0. [49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984] § 415.676 Pretreatment standards for new sources (PSNS). top Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS): The limitations for arsenic (T), zinc (T), and lead (T) are the same as specified in §415.674. § 415.677 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). top Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart must acheive the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.672.