Loading (50 kb)...'
(continued)
\2\ These concentrations must be multiplied by the ratio of (17.7/x)
where x is the actual normalized process wastewater flow (in gallons
per 1,000 pounds of metal poured) for a specific plant.
\3\ Within the range of 7.0 to 10.0 at all times.
(2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year.
NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0428 0.0236
Lead (T).................................... 0.117 0.0576
Zinc (T).................................... 0.217 0.0827
Oil and grease.............................. 4.43 1.48
TSS......................................... 5.61 2.22
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.
------------------------------------------------------------------------
Maxium for Annual
Maximum for monthly average
any 1 day average \1\
------------------------------------------------------------------------
(mg/1) \2\ (mg/l) \2\
Copper (T)........................... 0.29 0.16 0.0096
Lead (T)............................. 0.79 0.39 0.0325
Zinc (T)............................. 1.47 0.56 0.0591
Oil and grease....................... 30 10 0.738
TSS.................................. 38 15 1.48
pH................................... (\3\) (\3\) (\3\)
------------------------------------------------------------------------
\1\ kg/1,000 kkg (pounds per million) pounds of metal poured.
\2\ These concentrations must be multiplied by the ratio of (17.7/x)
where x is the actual normalized process wastewater flow (in gallons
per 1,000 pounds of metal poured) for a specific plant.
\3\ Within the range of 7.0 to 10.0 at all times.
(h) Slag Quench Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year.
NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0527 0.0291
Lead (T).................................... 0.0964 0.0473
Zinc (T).................................... 0.178 0.0673
Oil and grease.............................. 5.46 1.82
TSS......................................... 2.73 2.18
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.
------------------------------------------------------------------------
Maximum for Annual
Maximum for monthly average
any 1 day average \1\
------------------------------------------------------------------------
(mg/l) \2\ (mg/l) \2\
Copper (T)........................... 0.29 0.16 0.0118
Lead (T)............................. 0.53 0.26 0.0273
Zinc (T)............................. 0.98 0.37 0.0473
Oil and grease....................... 30 10 0.909
TSS.................................. 15 12 0.473
pH................................... (\3\) (\3\) (\3\)
------------------------------------------------------------------------
\1\ kg/1,000 kkg (pounds per million pounds) of metal poured.
\2\ These concentrations must be multiplied by the ratio of (21.8/x)
where x is the actual normalized process wastewater flow (in gallons
per 1,000 pounds of metal poured) for a specific plant.
\3\ Within the range of 7.0 to 10.0 at all times.
(2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year.
NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0527 0.0291
Lead (T).................................... 0.144 0.0709
Zinc (T).................................... 0.267 0.102
Oil and grease.............................. 5.46 1.82
TSS......................................... 6.91 2.73
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.
------------------------------------------------------------------------
Maximum for
Maximum for monthly Annual
any 1 day average average
------------------------------------------------------------------------
(mg/l) \2\ (mg/1) \2\
Copper (T)........................... 0.29 0.16 0.0118
Lead (T)............................. 0.79 0.39 0.04
Zinc (T)............................. 1.47 0.56 0.0728
Oil and grease....................... 30 10 0.909
TSS.................................. 38 15 1.82
pH................................... (\3\) (\3\) (\3\)
------------------------------------------------------------------------
\1\ kg/1000 kkg (pounds per million pounds) of metal poured.
\2\ These concentrations must be multiplied by the ratio of (21.8/x)
where x is the actual normalized process wastewater flow (in gallons
per 1,000 pounds of metal poured) for a specific plant.
\3\ Within the range of 7.0 to 10.0 at all times.
(i) Wet Sand Reclamation Operations. (1) Applicable to plants that are casting primarily ductile or gray iron and to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year.
NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
sand
reclaimed
-----------------------------
Copper (T)................................ 0.217 0.12
Lead (T).................................. 0.396 0.194
Zinc (T).................................. 0.732 0.276
Total phenols............................. 0.642 0.224
Oil and grease............................ 22.4 7.47
TSS....................................... 11.2 8.96
pH........................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.
------------------------------------------------------------------------
Maximum for Annual
Maximum for monthly average
any 1 day average \1\
------------------------------------------------------------------------
(mg/l)\2\ (mg/l)\2\
Copper (T)........................... 0.29 0.16 0.0485
Lead (T)............................. 0.53 0.26 0.112
Zinc (T)............................. 0.98 0.37 0.194
Total phenols........................ 0.86 0.3 0.149
Oil and grease....................... 30 10 3.73
TSS.................................. 15 12 1.94
pH................................... (\3\) (\3\) (\3\)
------------------------------------------------------------------------
\1\ kg/1,000 kkg (pounds per million pounds) of sand reclaimed.
\2\ These concentrations must be multiplied by the ratio of (89.5/x)
where x is the actual normalized process wastewater flow (in gallons
per 1,000 pounds of sand reclaimed) for a specific plant.
\3\ Within the range of 7.0 to 10.0 at all times.
(2) Applicable to plants that are casting primarily steel and to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year.
NSPS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
sand
reclaimed
-----------------------------
Copper (T)................................ 0.217 0.12
Lead (T).................................. 0.59 0.291
Zinc (T).................................. 1.1 0.418
Total phenols............................. 0.642 0.224
Oil and grease............................ 22.4 7.47
TSS....................................... 28.4 11.2
pH........................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to at all times.
------------------------------------------------------------------------
Maximum for Annual
Maximum for monthly average
any 1 day average \1\
------------------------------------------------------------------------
(mg/l)\2\ (mg/l)\2\
Copper (T)........................... 0.29 0.16 0.0485
Lead (T)............................. 0.79 0.39 0.164
Zinc (T)............................. 1.47 0.56 0.299
Total phenols........................ 0.86 0.3 0.149
Oil and grease....................... 30 10 3.73
TSS.................................. 38 15 7.47
pH................................... (\3\) (\3\) (\3\)
------------------------------------------------------------------------
\1\ kg/1,000 kkg (pounds per million pounds) of sand reclaimed.
\2\ These concentrations must be multiplied by the ratio of (89.5/x)
where x is the actual normalized process wastewater flow (in gallons
per 1,000 pounds of sand reclaimed) for a specific plant.
\3\ Within the range of 7.0 to 10.0 at all times.
[50 FR 45247, Oct. 30, 1985; 51 FR 21761, June 16, 1986]
§ 464.35 Pretreatment standards for existing sources.
top
Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.
(a) Casting Cleaning Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0129 0.0071
Lead (T).................................... 0.0237 0.0116
Zinc (T).................................... 0.0437 0.0165
------------------------------------------------------------------------
(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0129 0.0071
Lead (T).................................... 0.0353 0.0174
Zinc (T).................................... 0.0656 0.025
------------------------------------------------------------------------
(b) Casting Quench Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0138 0.0076
Lead (T).................................... 0.0252 0.0124
Zinc (T).................................... 0.0466 0.0176
TTO......................................... 0.0257 0.00838
Oil and grease (for alternate monitoring)... 1.43 0.476
------------------------------------------------------------------------
(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0138 0.0076
Lead (T).................................... 0.0376 0.0185
Zinc (T).................................... 0.0699 0.0266
TTO......................................... 0.0257 0.00838
Oil and grease (for alternate monitoring)... 1.43 0.476
------------------------------------------------------------------------
(c) Dust Collection Scrubber Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/62.3
million Sm
\3\ (pounds
per billion
SCF) of air
scrubbed
-----------------------------
Copper (T)................................ 0.218 0.12
Lead (T).................................. 0.398 0.195
Zinc (T).................................. 0.736 0.278
Total Phenols............................. 0.646 0.225
TTO....................................... 2.04 0.664
Oil and Grease (for alternate monitoring). 22.5 7.51
------------------------------------------------------------------------
(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/62.3
million Sm
\3\ (pounds
per billion
SCF) of air
scrubbed
-----------------------------
Copper (T)................................ 0.218 0.12
Lead (T).................................. 0.593 0.293
Zinc (T).................................. 1.1 0.421
Total Phenols............................. 0.656 0.225
TTO....................................... 2.04 0.664
Oil and Grease (for alternate monitoring). 22.5 7.51
------------------------------------------------------------------------
(d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW.
(e) Investment Casting. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
-----------------------------
Copper (T)................................ 3.19 1.76
Lead (T).................................. 5.84 2.86
Zinc (T).................................. 10.8 4.07
TTO....................................... 13.2 4.3
Oil and Grease (for alternate monitoring). 330 110
------------------------------------------------------------------------
(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
-----------------------------
Copper (T)................................ 3.19 1.76
Lead (T).................................. 8.7 4.3
Zinc (T).................................. 16.2 6.17
TTO....................................... 13.2 4.3
Oil and Grease (for alternate monitoring). 330 110
------------------------------------------------------------------------
(f) Melting Furnace Scrubber Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/62.3
million Sm\3\
(pounds per
billion SCF)
of air
scrubbed
-----------------------------
Copper (T)................................ 1.02 0.561
Lead (T).................................. 1.86 0.911
Zinc (T).................................. 3.44 1.30
Total phenols............................. 3.01 1.05
TTO....................................... 8.34 2.73
Oil and grease (for alternate monitoring). 105 35
------------------------------------------------------------------------
(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/62.3
million Sm
\3\ (pounds
per billion
SCF) of air
scrubbed
-----------------------------
Copper (T)................................ 1.02 0.561
Lead (T).................................. 2.77 1.37
Zinc (T).................................. 5.15 1.96
Total phenols............................. 3.01 1.05
TTO....................................... 8.34 2.73
Oil and grease (for alternate monitoring). 105 35
------------------------------------------------------------------------
(g) Mold Cooling Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0428 0.0236
Lead (T).................................... 0.0783 0.0384
Zinc (T).................................... 0.145 0.0546
TTO......................................... 0.0797 0.026
Oil and grease (for alternate monitoring)... 4.43 1.48
------------------------------------------------------------------------
(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0428 0.0236
Lead (T).................................... 0.117 0.0576
Zinc (T).................................... 0.217 0.0827
TTO......................................... 0.0797 0.026
Oil and grease (for alternate monitoring)... 4.43 1.48
------------------------------------------------------------------------
(h) Slag Quench Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0527 0.0291
Lead (T).................................... 0.0964 0.0473
Zinc (T).................................... 0.178 0.0673
TTO......................................... 0.0257 0.00838
Oil and grease (for alternate monitoring)... 5.46 1.82
------------------------------------------------------------------------
(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0527 0.0291
Lead (T).................................... 0.144 0.0709
Zinc (T).................................... 0.267 0.102
TTO......................................... 0.0257 0.00838
Oil and grease (for alternate monitoring)... 5.46 1.82
------------------------------------------------------------------------
(i) West Sand Reclamation Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting gray iron where greater than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
sand
reclaimed
-----------------------------
Copper (T)................................ 0.217 0.12
Lead (T).................................. 0.396 0.194
Zinc (T).................................. 0.732 0.276
Total Phenols............................. 0.642 0.224
TTO....................................... 1.18 0.386
Oil and grease (for alternate monitoring). 22.4 7.47
------------------------------------------------------------------------
(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.
PSES
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
sand
reclaimed
-----------------------------
Copper (T)................................ 0.217 0.12
Lead (T).................................. 0.59 0.291
Zinc (T).................................. 1.1 0.418
Total Phenols............................. 0.642 0.224
TTO....................................... 1.18 0.386
Oil and grease (for alternate monitoring). 22.4 7.47
------------------------------------------------------------------------
[50 FR 45247, Oct. 30, 1985; 51 FR 21762, June 16, 1986]
§ 464.36 Pretreatment standards for new sources.
top
Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.
(a) Casting Cleaning Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0129 0.0071
Lead (T).................................... 0.0237 0.0116
Zinc (T).................................... 0.0437 0.0165
------------------------------------------------------------------------
(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0129 0.0071
Lead (T).................................... 0.0353 0.0174
Zinc (T).................................... 0.0656 0.025
------------------------------------------------------------------------
(b) Casting Quench Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
-----------------------------
Copper (T)................................ 0.0138 0.0076
Lead (T).................................. 0.0252 0.0124
Zinc (T).................................. 0.0466 0.0176
TTO....................................... 0.0257 0.00838
Oil and Grease (for alternate monitoring). 1.43 0.476
------------------------------------------------------------------------
(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
---------------------------
Copper (T).................................. 0.0138 0.0076
Lead (T).................................... 0.0376 0.0185
Zinc (T).................................... 0.0699 0.0266
TTO......................................... 0.0257 0.00838
Oil and Grease (for alternate monitoring)... 1.43 0.476
------------------------------------------------------------------------
(c) Dust Collection Scrubber Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/62.3
million Sm\3\
(pounds per
billion SCF)
of air
scrubbed
-----------------------------
Copper (T)................................ 0.218 0.12
Lead (T).................................. 0.398 0.195
Zinc (T).................................. 0.736 0.278
Total Phenols............................. 0.646 0.225
TTO....................................... 2.04 0.664
Oil and Grease (for alternate monitoring). 22.5 7.51
------------------------------------------------------------------------
(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/62.3
million Sm\3\
(pounds per
billion SCF)
of air
scrubbed
-----------------------------
Copper (T)................................ 0.218 0.12
Lead (T).................................. 0.593 0.293
Zinc (T).................................. 1.1 0.421
Total Phenols............................. 0.656 0.225
TTO....................................... 2.04 0.664
Oil and Grease (for alternate monitoring). 22.5 7.51
------------------------------------------------------------------------
(d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW.
(e) Investment Casting. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.
PSNS
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
kg/1,000 kkg
(pounds per
million
pounds) of
metal poured
-----------------------------
Copper (T)................................ 3.19 1.76
Lead (T).................................. 5.84 2.86 (continued)