40 C.F.R. § 420.105

Current through October 31, 2024

Section 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
Chromium1	0.0000209	0.0000084
Lead	0.0000094	0.0000031
Nickel1	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
Chromium1	0.000104	0.0000418
Lead	0.0000469	0.0000156
Nickel1	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
Chromium1	0.00125	0.000501
Lead	0.000563	0.000188
Nickel1	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
Chromium1	0.000376	0.000150
Lead	0.000169	0.0000563
Nickel1	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
Chromium1	0.00167	0.000668
Lead	0.000751	0.000250
Nickel1	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
Chromium1	0.0000209	0.0000084
Lead	0.0000094	0.0000031
Nickel1	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
Chromium1	0.0000209	0.0000084
Lead	0.0000094	0.0000031
Nickel1	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.

40 C.F.R. §420.105

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