Wis. Admin. Code Department of Natural Resources NR 256.15
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 8
ALUMINUM CASTING SUBCA TEGORY
CASTING CLEANING 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) | 0.0771 | 0.0421 |
Lead (T) | 0.0791 | 0.039 |
Zinc (T) | 0.114 | 0.0431 |
TABLE 9
ALUMINUM CASTING SUBCATEGORY
CASTING QUENCH 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) | 0.0093 | 0.0051 |
Lead (T) | 0.0096 | 0.0047 |
Zinc (T) | 0.0138 | 0.0052 |
TTO (1) | 0.029 | 0.0095 |
Oil and grease (2) | 0.363 | 0.121 |
(1) TTO is comprised of the following toxic or ganic pollutants:
benzene
2,4,6-trichlorophenol
para-chloro meta-cresol
chloroform (trichloromethane)
2,4-dimethylphenol
fluoranthene
methylene chloride (dichloromethane)
phenol
bis(2-ethylhexyl)phthalate
butyl benzyl phthalate
pyrene
tetrachloroethylene
trichloroethylene
(2) Use as alternative to monitoring for TTO.
TABLE 10
ALUMINUM CASTING SUBCATEGORY
DIE CASTING 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) | 0.0066 | 0.0036 |
Lead (T) | 0.0068 | 0.0034 |
Zinc (T) | 0.0098 | 0.0037 |
Total phenols | 0.0074 | 0.0026 |
TTO (1) | 0.0308 | 0.01 |
Oil and grease (2) | 0.259 | 0.0864 |
(1) TTO is comprised of the following toxic or ganic pollutants:
acenaphthene
benzene
chlorobenzene
1,1,1-trichloroethane
2,4,6-trichlorophenol
para-chloro meta-cresol
chloroform (trichloromethane)
2,4-dimethylphenol
fluoranthene
methylene chloride (dichloromethane)
naphthalene
phenol
bis(2-ethylhexyl)phthalate
butyl benzyl phthalate
di-n-butyl phthalate
diethyl phthalate
benzo (a)anthracene (1,2-benzanthracene)
benzo (a)pyrene (3,4-benzopyrene)
chrysene
anthracene
fluorene
phenanthrene
pyrene
tetrachloroethylene
toluene
(2) Use as alternative to monitoring for TT O.
TABLE 11
ALUMINUM 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) | 0.231 | 0.126 |
Lead (T) | 0.237 | 0.117 |
Zinc (T) | 0.343 | 0.129 |
Total phenols | 0.258 | 0.09 |
TTO (1) | 0.613 | 0.2 |
Oil and grease (2) | 9.01 | 3.0 |
(1) TTO is comprised of the following toxic or ganic pollutants:
acenaphthene
2,4,6-trichlorophenol
chloroform (trichloromethane)
2,4-dimethylphenol
fluoranthene
methylene chloride (dichloromethane)
phenol
bis (2-ethylhexyl) phthalate
di-n-butyl phthalate
diethyl phthalate
benzo (a)pyrene (3,4-benzopyrene)
pyrene
(2) Use as alternative to monitoring for TTO.
TABLE 12
ALUMINUM CASTING SUBCATEGORY
INVESTMENT CASTING
PSES | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | kg/1000 kkg (pounds per million pounds) of metal poured | |
Copper (T) | 8.48 | 4.63 |
Lead (T) | 8.7 | 4.3 |
Zinc (T) | 12.6 | 4.74 |
TTO (1) | 18.1 | 5.91 |
Oil and grease (2) | 330 | 110 |
(1) TTO is comprised of the following toxic or ganic pollutants:
1,1,1-trichloroethane
chloroform (trichloromethane)
methylene chloride (dichloromethane)
bis (2-ethylhexyl) phthalate
pyrene
tetrachloroethylene
trichloroethylene
(2) Use as alternative to monitoring for TTO.
TABLE 13
ALUMINUM CASTING SUBCATEGORY
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) | 3.01 | 1.64 |
Lead (T) | 3.09 | 1.52 |
Zinc (T) | 4.45 | 1.68 |
Total phenols | 3.36 | 1.17 |
TTO (1) | 7.97 | 2.6 |
Oil and grease (2) | 117 | 39.1 |
(1) TTO is comprised of the toxic organic pollutants listed in Table 11.
(2) Use as alternative to monitoring for TTO.
TABLE 14
ALUMINUM CASTING SUBCATEGORY
MOLD COOLING OPERATIONS
PSES | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | kg/1,000kkg (pounds per million pounds) of metal poured | |
Copper (T) | 0.297 | 0.162 |
Lead (T) | 0.305 | 0.151 |
Zinc (T) | 0.44 | 0.166 |
TTO (1) | 0.935 | 0.304 |
Oil and grease (2) | 11.6 | 3.86 |
(1) TTO is comprised of the toxic or ganic pollutants listed in Table 9.
(2) Use as alternative to monitoring for TTO.
Wis. Admin. Code Department of Natural Resources NR 256.15