View all text of Subpart H [§ 420.80 - § 420.87]

§ 420.83 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

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 available technology economically achievable.

(a) Salt bath descaling, oxidizing—(1) Batch, sheet and plate.

Subpart H

Pollutant or pollutant property BAT effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product Chromium0.002920.00117 Nickel0.002630.000876

(2) Batch, rod and wire.

Subpart H

Pollutant or pollutant property BAT effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product Chromium0.001750.000701 Nickel0.001580.000526

(3) Batch, pipe and tube.

Subpart H

Pollutant or pollutant property BAT effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product Chromium0.007090.00284 Nickel0.006380.00213

(4) Continuous.

Subpart H

Pollutant or pollutant property BAT effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product Chromium0.001380.000551 Nickel0.001240.000413

(b) Salt bath descaling, reducing—(1) Batch.

Subpart H

Pollutant or pollutant property BAT effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product Cyanide0.001020.000339 Chromium0.001360.000542 Nickel0.001220.000407

(2) Continuous.

Subpart H

Pollutant or pollutant property BAT effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product Cyanide0.005690.00190 Chromium0.007590.00304 Nickel0.006830.00228