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Electronic Code of Federal Regulations

e-CFR data is current as of December 5, 2019

Title 40Chapter ISubchapter NPart 415Subpart BL → §415.642


Title 40: Protection of Environment
PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY
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).

(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 propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (or pounds per/1,000 lb) of product
TSS2.591.57
Cadmium (T)0.0780.026
Selenium (T)0.110.037
Zinc (T)0.0170.0092
pH(1)(1)

1Within the range 6.0 to 9.0.

(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 propertyBPT effluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Kg/kkg (or pounds per/1,000 lb) of product
TSS0.00160.001
Cadmium (T)4.87 × 10−51.62 × 10−5
Selenium (T)7.0 × 10−52.3 × 10−5
Zinc (T)1.04 × 10−55.8 × 10−6
pH(1)(1)

1Within the range 6.0 to 9.0.

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