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
Lead0.00009390.0000313
Zinc0.0001250.0000417

(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
Lead0.00005630.0000188
Zinc0.00007510.0000250

(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
Lead0.00007510.0000250
Zinc0.0001000.0000334

(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
Lead0.0001310.0000438
Zinc0.0001750.0000584

(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
Lead0.03680.0123
Zinc0.04910.0164

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
Lead0.0001130.0000376
Zinc0.0001500.0000501

(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
Lead0.00007510.0000250
Zinc0.0001000.0000334

(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
Lead0.0002060.0000688
Zinc0.0002750.0000918

(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
Lead0.03680.0123
Zinc0.04910.0164

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
Chromium0.0002920.000117
Nickel0.0002630.0000876

(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
Chromium0.0001670.0000667
Nickel0.0001500.0000501

(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
Chromium0.0007100.000284
Nickel0.0006380.000213

(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
Chromium0.0002500.000100
Nickel0.0002250.0000751

(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
Chromium0.0004180.000167
Nickel0.0003760.000125

(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
Chromium0.08190.0327
Nickel0.07350.0245

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.