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