View all text of Subpart J [§ 420.100 - § 420.107]

§ 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 10.00002090.0000084 Lead0.00000940.0000031 Nickel 10.00001880.0000063 Zinc0.00000630.0000021 Naphthalene0.0000021Tetrachloroethylene0.0000031

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 10.0001040.0000418 Lead0.00004690.0000156 Nickel 10.00009390.0000313 Zinc0.00003130.0000104 Naphthalene0.0000104Tetrachloroethylene0.0000156

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 10.001250.000501 Lead0.0005630.000188 Nickel 10.001130.000376 Zinc0.0003760.000125 Naphthalene0.000125Tetrachloroethylene0.000188

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 10.0003760.000150 Lead0.0001690.0000563 Nickel 10.0003380.000113 Zinc0.0001130.0000376 Naphthalene0.0000376Tetrachloroethylene0.0000563

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 10.001670.000668 Lead0.0007510.000250 Nickel 10.001500.000501 Zinc0.0005010.000167 Napthalene0.000167Tetrachloroethylene0.000250

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 10.00002090.0000084 Lead0.00000940.0000031 Nickel 10.00001880.0000063 Zinc0.00000630.0000021

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 10.00002090.0000084 Lead0.00000940.0000031 Nickel 10.00001880.0000063 Zinc0.00000630.0000021 Naphthalene0.0000021Tetrachloroethylene0.0000031

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.

[47 FR 23284, May 27, 1982, as amended at 49 FR 21035, May 17, 1984]