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Code of Federal Regulations (Last Updated: April 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter N - Effluent Guidelines and Standards |
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Part 415 - Inorganic Chemicals Manufacturing Point Source Category |
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Subpart BL - Cadmium Pigments and Salts Production Subcategory |
§ 415.642 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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§ 415.642 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
(a) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing cadmium pigments must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
Subpart BL - Cadmium Pigments
Pollutant or pollutant property BPT effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (or pounds per/1,000 lb) of product TSS 2.59 1.57 Cadmium (T) 0.078 0.026 Selenium (T) 0.11 0.037 Zinc (T) 0.017 0.0092 pH (1) (1) (b) Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart and producing cadmium salts must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
Subpart BL - Cadmium Salts
Pollutant or pollutant property BPT effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (or pounds per/1,000 lb) of product TSS 0.0016 0.001 Cadmium (T) 4.87 × 10−5 1.62 × 10−5 Selenium (T) 7.0 × 10−5 2.3 × 10−5 Zinc (T) 1.04 × 10−5 5.8 × 10−6 pH (1) (1)