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

§ 420.122 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

(a) Galvanizing, terne coating, and other coatings—(1) Strip, sheet, and miscellaneous products.

Subpart L

Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1750.0751
O&G0.07510.0250
Lead0.001130.000376
Zinc0.001500.000500
Chromium (hexavalent) 10.0001500.0000501
pH( 2)( 2)
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