40 CFR 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

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