40 CFR 415.642 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

§ 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
1 Within the range 6.0 to 9.0.
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
1 Within the range 6.0 to 9.0.
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)

Title 40 published on 2014-07-01

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