{"data":{"id":"us/40-cfr-471.75","jurisdiction":"us","citation":"40 CFR 471.75","heading":"Pretreatment standards for new sources (PSNS).","body":"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:\n(a) Extrusion spent lubricants—subpart G—PSNS. There shall be no discharge of process wastewater pollutants.\n(b) Extrusion tool contact cooling water.\nSubpart G—PSNS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of uranium extruded\nCadmium 0.007 0.003\nChromium 0.013 0.005\nCopper 0.044 0.021\nLead 0.010 0.005\nNickel 0.019 0.013\nFluoride 2.05 0.908\nMolybdenum 0.173 0.077\n(c) Heat treatment contact cooling water.\nSubpart G—PSNS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of extruded or forged uranium heat treated\nCadmium 0.006 0.003\nChromium 0.012 0.005\nCopper 0.040 0.019\nLead 0.009 0.004\nNickel 0.017 0.012\nFluoride 1.86 0.827\nMolybdenum 0.158 0.070\n(d) Forging spent lubricants—subpart G—PSNS. There shall be no discharge of process wastewater pollutants.\n(e) Surface treatment spent baths.\nSubpart G—PSNS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of uranium surface treated\nCadmium 0.006 0.002\nChromium 0.010 0.004\nCopper 0.035 0.017\nLead 0.008 0.004\nNickel 0.015 0.010\nFluoride 1.62 0.718\nMolybdenum 0.137 0.061\n(f) Surface treatment rinse.\nSubpart G—PSNS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of uranium surface treated\nCadmium 0.068 0.027\nChromium 0.125 0.051\nCopper 0.432 0.206\nLead 0.095 0.044\nNickel 0.186 0.125\nFluoride 20.1 8.90\nMolybdenum 1.70 0.752\n(g) Wet air pollution control scrubber blowdown.\nSubpart G—PSNS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of uranium surface treated\nCadmium 0.0007 0.0003\nChromium 0.001 0.0005\nCopper 0.005 0.002\nLead 0.001 0.0005\nNickel 0.002 0.001\nFluoride 0.208 0.092\nMolybdenum 0.018 0.008\n(h) Sawing or grinding spent emulsions.\nSubpart G—PSNS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of uranium sawed or ground with emulsions\nCadmium 0.001 0.0005\nChromium 0.002 0.0009\nCopper 0.007 0.004\nLead 0.002 0.0008\nNickel 0.003 0.002\nFluoride 0.338 0.150\nMolybdenum 0.029 0.013\n(i) Sawing or grinding contact cooling water.\nSubpart G—PSNS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of uranium sawed or ground with contact cooling water\nCadmium 0.033 0.013\nChromium 0.061 0.025\nCopper 0.211 0.101\nLead 0.046 0.022\nNickel 0.091 0.061\nFluoride 9.82 4.36\nMolybdenum 0.830 0.368\n(j) Sawing or grinding rinse.\nSubpart G—PSNS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of sawed or ground uranium rinsed\nCadmium 0.001 0.0004\nChromium 0.002 0.0007\nCopper 0.006 0.003\nLead 0.002 0.0006\nNickel 0.003 0.002\nFluoride 0.277 0.123\nMolybdenum 0.024 0.011\n(k) Area cleaning rinse.\nSubpart G—PSNS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of uranium formed\nCadmium 0.009 0.004\nChromium 0.016 0.007\nCopper 0.055 0.026\nLead 0.012 0.006\nNickel 0.024 0.016\nFluoride 2.56 1.14\nMolybdenum 0.216 0.096\n(l) Drum washwater.\nSubpart G—PSNS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of uranium formed\nCadmium 0.009 0.004\nChromium 0.017 0.007\nCopper 0.057 0.027\nLead 0.013 0.006\nNickel 0.025 0.017\nFluoride 2.64 1.17\nMolybdenum 0.223 0.099\n(m) Laundry washwater.\nSubpart G—PSNS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/employee—day\nCadmium 5.24 2.10\nChromium 9.70 3.93\nCopper 33.6 16.0\nLead 7.34 3.41\nNickel 14.4 9.70\nFluoride 1,560 692\nMolybdenum 132 58.4\n(n) Degreasing spent solvents—subpart G—PSNS. There shall be no discharge of process wastewater pollutants.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 471—NONFERROUS METALS FORMING AND METAL POWDERS POINT SOURCE CATEGORY","Subpart G—Uranium Forming Subcategory"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"563bd0304417a75bb9b6b1c9271996b64c0f6f3d4204c08c67244e0eb4afb39f","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-471.74","next":"us/40-cfr-471.76"},"notice":"GroundRules: Original legal text. Not legal advice."}