Wis. Admin. Code Department of Natural Resources NR 256.25
Except as provided in ss. NR 211.13 and 211.14, any existing source subject to this subchapter which introduces pollutants into a publicly owned treatment works shall comply with ch. NR 211 and achieve the following pretreatment standards for existing sources. Grinding scrubber operations may not discharge process wastewater pollutants to a POTW.
TABLE 33
COPPER CASTING SUBCATEGORY
CASTING QUENCH OPERATIONS
PSES | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | kg/1,000 kkg (pounds per million pounds) of metal poured | |
Copper (T) | 0.0307 | 0.0168 |
Lead (T) | 0.0211 | 0.0104 |
Zinc (T) | 0.0303 | 0.0116 |
TTO (1) | 0.0335 | 0.0109 |
Oil and grease (2) | 1.2 | 0.399 |
(1) TTO is comprised of the following toxic or ganic pollutants:
chloroform (trichloromethane)
pentachlorophenol
bis (2-ethylhexyl)phthalate
dimethyl phthalate
(2) Use as alternative to monitoring for TTO.
TABLE 34
COPPER CASTING SUBCATEGORY
DIRECT CHILL CASTING OPERA TIONS
PSES | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | kg/1,000 kkg (pounds per million pounds) of metal poured | |
Copper (T) | 0.928 | 0.506 |
Lead (T) | 0.639 | 0.314 |
Zinc (T) | 0.916 | 0.35 |
T ABLE 35
COPPER CASTING SUBCATEGORY
DUST COLLECTION SCRUBBER OPERATIONS
PSES | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | kg/62.3 million Sm3 (pounds per billion SCF) of air scrubbed | |
Copper (T) | 0.552 | 0.301 |
Lead (T) | 0.38 | 0.187 |
Zinc (T) | 0.545 | 0.208 |
Total phenols | 0.617 | 0.215 |
TTO (1) | 1.65 | 0.54 |
Oil and grease (2) | 21.5 | 7.18 |
(1) TTO is comprised of the following toxic or ganic pollutants:
acenaphthene
para-chloro meta-cresol
chloroform (trichloromethane)
2,4-dimethylphenol
naphthalene
4-nitrophenol
pentachlorophenol
phenol
bis (2-ethylehexyl) phthalate
butyl benzyl phthalate
di-n-butyl phthalate
diethyl phthalate
dimethyl phthalate
benzo(a)anthracene (1,2-bezanthracene)
3,4-benzofluoranthene
benzo(k) fluoranthene
chrysene
acenaphthylene
anthracene
phenanthrene
pyrene
(2) Use as alternative to monitoring for TTO.
TABLE 36
COPPER CASTING SUBCATEGORY
SUBCATEGOR Y INVESTMENT CASTING
PSES | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | kg/1,000 kkg (pounds per million pounds) of metal poured | |
Copper (T) | 8.48 | 4.63 |
Lead (T) | 5.84 | 2.86 |
Zinc (T) | 8.37 | 3.19 |
TTO (1) | 25.4 | 8.29 |
Oil and grease (2) | 330 | 110 |
(1) TTO is comprised of the toxic or ganic pollutants listed in Table 35.
(2) Use as alternative to monitoring for TTO.
TABLE 37
COPPER CASTING SUBCA TEGORY
MELTING FURNACE SCRUBBER OPERATIONS
PSES | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | kg/62.3 million Sm3 (pounds per billion SCF) of air scrubbed | |
Copper (T) | 1.81 | 0.988 |
Lead (T) | 1.25 | 0.612 |
Zinc (T) | 1.79 | 0.673 |
Total phenols | 2.02 | 0.706 |
TTO (1) | 5.41 | 1.77 |
Oil and grease (2) | 70.6 | 23.5 |
(1) TTO is comprised of the toxic organic pollutants listed in Table 35.
(2) Use as alternative to monitoring for TTO.
TABLE 38
COPPER CASTING SUBCATEGORY
MOLD COOLING OPERATIONS
PSES | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | kg/1,000 kkg (pounds per million pounds) of metal poured | |
Copper (T) | 0.392 | 0.214 |
Lead (T) | 0.27 | 0.132 |
Zinc (T) | 0.387 | 0.148 |
TTO (1) | 0.428 | 0.14 |
Oil and grease(2) | 15.3 | 5.09 |
(1) TTO is of the following toxic or ganic pollutants:
chloroform (trichloromethane)
pentachlorophenol
bis(2-ethylhexyl) phthalate
dimethyl phthalate
(2) Use as alternative to monitoring for TT O
Wis. Admin. Code Department of Natural Resources NR 256.25