40 CFR 420.105: Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing sources.

(a) Cold rolling—(1) Recirculation—single stand.

Subpart J

Pollutant or pollutant property Pretreatment standards for existing 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 existing 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.

(3) Combination.

Subpart J

Pollutant or pollutant property Pretreatment standards for existing 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 0.00125 0.000501

Lead 0.000563 0.000188

Nickel 1 0.00113 0.000376

Zinc 0.000376 0.000125

Naphthalene 0.000125

Tetrachloroethylene 0.000188

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 existing 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 0.000376 0.000150

Lead 0.000169 0.0000563

Nickel 1 0.000338 0.000113

Zinc 0.000113 0.0000376

Naphthalene 0.0000376

Tetrachloroethylene 0.0000563

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 existing 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 0.00167 0.000668

Lead 0.000751 0.000250

Nickel 1 0.00150 0.000501

Zinc 0.000501 0.000167

Napthalene 0.000167

Tetrachloroethylene 0.000250

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 existing 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

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 existing 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 forming wastewaters are treated with descaling or combination acid pickling wastewaters.