40 C.F.R. § 420.96

Current through September 30, 2024

Section 420.96 - Pretreatment standards for new sources (PSNS)

Except as provided in 40 CFR 403.7 , any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.

(a)Sulfuric acid pickling (spent acid solutions and rinse waters) -

(1)Rod, wire, coil.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
Lead	0.0000939	0.0000313
Zinc	0.000125	0.0000417

(2)Bar, billet, and bloom.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
Lead	0.0000563	0.0000188
Zinc	0.0000751	0.0000250

(3)Strip, sheet, and plate.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
Lead	0.0000751	0.0000250
Zinc	0.000100	0.0000334

(4)Pipe, tube, other products.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
Lead	0.000131	0.0000438
Zinc	0.000175	0.0000584

(5)Fume scrubber.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kilograms per day
Lead	0.0368	0.0123
Zinc	0.0491	0.0164

Note: The above limitations are applicable to each fume scrubber associated with sulfuric acid pickling operations.

(b)Hydrochloric acid pickling (spent acid solutions and rinse waters) -

(1)Rod, wire, coil.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
Lead	0.000113	0.0000376
Zinc	0.000150	0.0000501

(2)Strip, sheet, and plate.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
Lead	0.0000751	0.0000250
Zinc	0.000100	0.0000334

(3)Pipe, tube, and other products.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
Lead	0.000206	0.0000688
Zinc	0.000275	0.0000918

(4)Fume scrubber.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kilograms per day
Lead	0.0368	0.0123
Zinc	0.0491	0.0164

Note: The above limitations shall be applicable for each fume scrubber associated with hydrochloric acid pickling operations.

(c)Combination acid pickling (spent acid solutions and rinse waters) -

(1)Rod, wire, and coil.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	kg/kkg (pounds per 1,000 lb) of product
Chromium	0.000292	0.000117
Nickel	0.000263	0.0000876

(2)Bar, billet, and bloom.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	kg/kkg (pounds per 1,000 lb) of product
Chromium	0.000167	0.0000667
Nickel	0.000150	0.0000501

(3)Strip, sheet, and plate-continuous.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	kg/kkg (pounds per 1,000 lb) of product
Chromium	0.000710	0.000284
Nickel	0.000638	0.000213

(4)Strip, sheet, and plate-batch.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	kg/kkg (pounds per 1,000 lb) of product
Chromium	0.000250	0.000100
Nickel	0.000225	0.0000751

(5)Pipe, tube, and other products.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of product
Chromium	0.000418	0.000167
Nickel	0.000376	0.000125

(6)Fume scrubber.

Subpart I

Pollutant or pollutant property	Pretreatment standards for new sources
	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kilograms per day
Chromium	0.0819	0.0327
Nickel	0.0735	0.0245

40 C.F.R. §420.96

47 FR 23284, May 27, 1982, as amended at 47 FR 41739, Sept. 22, 1982; 49 FR 21033, May 17, 1984

The above limitations shall be applicable for each fume scrubber associated with combination acid pickling operations.