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