§ 471.65 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 the titanium forming process wastewater shall not exceed the values set forth below:
(a) Rolling spent neat oils—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.
(b) Rolling contact cooling water.
Subpart F—PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of titanium rolled with contact cooling water | ||
| Cyanide | 0.142 | 0.059 |
| Lead | 0.205 | 0.098 |
| Zinc | 0.713 | 0.298 |
| Ammonia | 65.1 | 28.6 |
| Fluoride | 29.1 | 12.9 |
(c) Drawing spent neat oils—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.
(d) Extrusion spent neat oils—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.
(e) Extrusion spent emulsions.
Subpart F—PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of titanium extruded | ||
| Cyanide | 0.021 | 0.009 |
| Lead | 0.030 | 0.015 |
| Zinc | 0.105 | 0.044 |
| Ammonia | 9.59 | 4.22 |
| Fluoride | 4.28 | 1.90 |
(f) Extrusion press hydraulic fluid leakage.