View all text of Subpart A [§ 464.10 - § 464.17]
§ 464.15 - 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 Cleaning 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) | 0.0771 | 0.0421 | Lead (T) | 0.0791 | 0.039 | Zinc (T) | 0.114 | 0.0431 |
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(b) Casting Quench Operation.
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) | 0.0093 | 0.0051 | Lead (T) | 0.0096 | 0.0047 | Zinc (T) | 0.0138 | 0.0052 | TT0 | 0.029 | 0.0095 | Oil and grease (for alternate monitoring) | 0.363 | 0.121 |
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(c) 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) | 0.0068 | 0.0034 | Zinc (T) | 0.0098 | 0.0037 | Total phenols | 0.0074 | 0.0026 | TTO | 0.0308 | 0.01 | Oil and grease (for alternate monitoring) | 0.259 | 0.0864 |
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(d) Dust Collection 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) | 0.231 | 0.126 | Lead (T) | 0.237 | 0.117 | Zinc (T) | 0.343 | 0.129 | Total phenols | 0.258 | 0.09 | TTO | 0.613 | 0.2 | Oil and grease (for alternate monitoring) | 9.01 | 3.00 |
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(e) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW.
(f) Investment Casting.
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) | 8.48 | 4.63 | Lead (T) | 8.7 | 4.3 | Zinc (T) | 12.6 | 4.74 | TTO | 18.1 | 5.91 | Oil and grease (for alternate monitoring | 330 | 110 |
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(g) 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) | 3.01 | 1.64 | Lead (T) | 3.09 | 1.52 | Zinc (T) | 4.45 | 1.68 | Total phenols | 3.36 | 1.17 | TTO | 7.97 | 2.6 | Oil and grease (for alternate monitoring) | 117 | 39.1 |
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(h) 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) | 0.297 | 0.162 | Lead (T) | 0.305 | 0.151 | Zinc (T) | 0.44 | 0.166 | TTO | 0.935 | 0.304 | Oil and grease (for alternate monitoring) | 11.6 | 3.86 |
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