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§ 471.75 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 (PSNS). The mass of wastewater pollutants in uranium forming process wastewater introduced into a POTW shall not exceed the following values:
(a) Extrusion spent lubricants—subpart G—PSNS. There shall be no discharge of process wastewater pollutants.
(b) Extrusion tool contact cooling water.
Subpart G—PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of uranium extruded | ||
| Cadmium | 0.007 | 0.003 |
| Chromium | 0.013 | 0.005 |
| Copper | 0.044 | 0.021 |
| Lead | 0.010 | 0.005 |
| Nickel | 0.019 | 0.013 |
| Fluoride | 2.05 | 0.908 |
| Molybdenum | 0.173 | 0.077 |
(c) Heat treatment contact cooling water.
Subpart G—PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of extruded or forged uranium heat treated | ||
| Cadmium | 0.006 | 0.003 |
| Chromium | 0.012 | 0.005 |
| Copper | 0.040 | 0.019 |
| Lead | 0.009 | 0.004 |
| Nickel | 0.017 | 0.012 |
| Fluoride | 1.86 | 0.827 |
| Molybdenum | 0.158 | 0.070 |