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
|
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
|
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. |
Subpart J
|
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 |
|
Code of Federal Regulations
443
|
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
|
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
|
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
|
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. |
Subpart J
|
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. |
[47 FR 23284, May 27, 1982, as amended at 49 FR 21035, May 17, 1984]