40 C.F.R. § 420.83

Current through October 31, 2024

Section 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
Chromium	0.00292	0.00117
Nickel	0.00263	0.000876

(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
Chromium	0.00175	0.000701
Nickel	0.00158	0.000526

(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
Chromium	0.00709	0.00284
Nickel	0.00638	0.00213

(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
Chromium	0.00138	0.000551
Nickel	0.00124	0.000413

(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
Cyanide	0.00102	0.000339
Chromium	0.00136	0.000542
Nickel	0.00122	0.000407

(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
Cyanide	0.00569	0.00190
Chromium	0.00759	0.00304
Nickel	0.00683	0.00228

40 C.F.R. §420.83