§ 471.95 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 shall not exceed the following:
(a) Rolling spent neat oils—subpart I—PSNS. There shall be no discharge of process wastewater pollutants.
(b) Drawing spent lubricants—subpart I—PSNS. There shall be no discharge of process wastewater pollutants.
(c) Extrusion spent emulsions—subpart I—PSNS. There shall be no discharge of process wastewater pollutants.
(d) Extrusion press hydraulic fluid leakage.
Subpart I—PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off-kg (pounds per million off-pounds) of zirconium-hafnium extruded | ||
| Chromium | 0.104 | 0.043 |
| Cyanide | 0.069 | 0.029 |
| Nickel | 0.455 | 0.301 |
| Ammonia | 31.6 | 13.9 |
| Fluoride | 14.1 | 6.26 |
(e) Swaging spent neat oils—subpart I—PSNS. There shall be no discharge of process wastewater pollutants.
(f) Heat treatment contact cooling water.
Subpart I—PSNS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/off/kg (pounds per million off-pounds) of zirconium-hafnium heat treated | ||
| Chromium | 0.015 | 0.006 |
| Cyanide | 0.010 | 0.004 |
| Nickel | 0.066 | 0.044 |
| Ammonia | 4.57 | 2.01 |
| Fluoride | 2.04 | 0.906dash;Subpart |
(g) Tube Reducing Spent Lubricant—subpart I—PSNS. (1) There shall be no discharge of process wastewater pollutants except as provided under paragraph (g)(2) of this section.