40 C.F.R. § 420.84

Current through October 31, 2024

Section 420.84 - New source performance standards (NSPS)

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

(a)Salt bath descaling, oxidizing -

(1)Batch, sheet and plate.

Subpart H

Pollutant or pollutant property	New source performance standards
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
TSS	0.204	0.0876
Chromium	0.00292	0.00117
Nickel	0.00263	0.000876
pH	(1)	(1)

¹ Within the range of 6.0 to 9.0.

(2)Batch, rod and wire.

Subpart H

Pollutant or pollutant property	New source performance standards
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
TSS	0.123	0.0526
Chromium	0.00175	0.000701
Nickel	0.00158	0.000526
pH	(1)	(1)

¹ Within the range of 6.0 to 9.0.

(3)Batch, pipe and tube.

Subpart H

Pollutant or pollutant property	New source performance standards
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
TSS	0.496	0.213
Chromium	0.00709	0.00284
Nickel	0.00638	0.00213
pH	(1)	(1)

¹ Within the range of 6.0 to 9.0.

(4)Continuous.

Subpart H

Pollutant or pollutant property	New source performance standards
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
TSS	0.0964	0.0413
Chromium	0.00138	0.000551
Nickel	0.00124	0.000413
pH	(1)	(1)

¹ Within the range of 6.0 to 9.0.

(b)Salt bath descaling, reducing -

(1)Batch.

Subpart H

Pollutant or pollutant property	New source performance standards
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
TSS	0.0949	0.0407
Cyanide	0.00102	0.000339
Chromium	0.00136	0.000542
Nickel	0.00122	0.000407
pH	(1)	(1)

¹ Within the range of 6.0 to 9.0.

(2)Continuous.

Subpart H

Pollutant or pollutant property	New source performance standards
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
TSS	0.532	0.228
Cyanide	0.00569	0.00190
Chromium	0.00759	0.00304
Nickel	0.00683	0.00228
pH	(1)	(1)

¹ Within the range of 6.0 to 9.0.

40 C.F.R. §420.84