40 CFR 420.106: 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) Cold rolling—(1) Recirculation—single stand.

Subpart J

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 1 0.0000209 0.0000084

Lead 0.0000094 0.0000031

Nickel 1 0.0000188 0.0000063

Zinc 0.0000063 0.0000021

Naphthalene 0.0000021

Tetrachloroethylene 0.0000031

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(2) Recirculation—multiple stands.

Subpart J

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 1 0.0000418 0.0000167

Lead 0.0000188 0.0000063

Nickel 1 0.0000376 0.0000125

Zinc 0.0000125 0.0000042

Naphthalene 0.0000042

Tetrachloroethylene 0.0000063

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(3) Combination.

Subpart J

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 1 0.000543 0.000217

Lead 0.000244 0.0000814

Nickel 1 0.000488 0.000163

Zinc 0.000163 0.0000542

Naphthalene 0.0000542

Tetrachloroethylene 0.0000813

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(4) Direct application—single stand.

Subpart J

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 1 0.000104 0.0000418

Lead 0.0000469 0.0000156

Nickel 1 0.0000939 0.0000313

Zinc 0.0000313 0.0000104

Naphthalene 0.0000104

Tetrachloroethylene 0.0000156

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(5) Direct application—multiple stands.

Subpart J

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 1 0.00121 0.000484

Lead 0.000545 0.000182

Nickel 1 0.00109 0.000363

Zinc 0.000363 0.000121

Naphthalene 0.000121

Tetrachloroethylene 0.000182

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold rolling wastewaters are treated with descaling or combination acid pickling wastewaters.

(b) Cold worked pipe and tube mills—(1) Using water.

Subpart J

Pollutant or pollutant property Pretreatment standards for new sources

Maximum for any one day Average of daily values for 30 consecutive days

kg/kkg (pounds per 1,000 lb) of product

Chromium 1 0.0000209 0.0000084

Lead 0.0000094 0.0000031

Nickel 1 0.0000188 0.0000063

Zinc 0.0000063 0.0000021

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are treated with descaling or combination acid pickling wastewaters.

(2) Using oil solutions.

Subpart J

Pollutant or pollutant property Pretreatment standards for new sources

Maximum for any one day Average of daily values for 30 consecutive days

kg/kkg (pound per 1,000 lb) of product

Chromium 1 0.0000209 0.0000084

Lead 0.0000094 0.0000031

Nickel 1 0.0000188 0.0000063

Zinc 0.0000063 0.0000021

Naphthalene 0.0000021

Tetrachloroethylene 0.0000031

1 The limitations for chromium and nickel shall be applicable in lieu of those for lead and zinc when cold forming wastewaters are treated with descaling or combination acid pickling wastewasters.