View all text of Subpart D [§ 464.40 - § 464.47]
§ 464.45 - Pretreatment standards for existing sources.
Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.
(a) Casting Quench Operations.
PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | kg/1,000 kkg (pounds per million pounds) of metal poured | Copper (T) | 0.0344 | 0.0187 | Lead (T) | 0.0237 | 0.0116 | Zinc (T) | 0.0339 | 0.0129 | TTO | 0.093 | 0.0304 | Oil and grease (for alternate monitoring) | 1.34 | 0.446 |
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(b) Die Casting Operations.
PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | kg/1,000 kkg (pounds per million pounds of metal poured) | Copper (T) | 0.0066 | 0.0036 | Lead (T) | 0.0046 | 0.0022 | Zinc (T) | 0.0066 | 0.0025 | Total phenols | 0.0074 | 0.0026 | TTO | 0.0196 | 0.0064 | Oil and grease for alternate monitoring) | 0.259 | 0.0864 |
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(c) Melting Furnace Scrubber Operations.
PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed | Copper (T) | 1.56 | 0.852 | Lead (T) | 1.07 | 0.527 | Zinc (T) | 1.54 | 0.588 | Total phenols | 1.74 | 0.608 | TTO | 3.95 | 1.29 | Oil and grease for alternate monitoring) | 60.8 | 20.3 |
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(d) Mold Cooling Operations.
PSES
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | kg/1,000 kkg (pounds per million pounds) of metal poured | Copper (T) | 0.304 | 0.166 | Lead (T) | 0.209 | 0.103 | Zinc (T) | 0.3 | 0.114 | TTO | 0.821 | 0.268 | Oil and grease for alternate monitoring) | 11.8 | 3.94 |
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