{"data":{"id":"us/40-cfr-471.72","jurisdiction":"us","citation":"40 CFR 471.72","heading":"Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).","body":"Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):\n(a) Extrusion spent lubricants—subpart G—BAT. There shall be no discharge of process wastewater pollutants.\n(b) Extrusion tool contact cooling water.\nSubpart G—BAT\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—BAT\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—BAT. There shall be no discharge of process wastewater pollutants.\n(e) Surface treatment spent baths.\nSubpart G—BAT\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—BAT\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 0.260\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—BAT\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—BAT\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 0.001\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—BAT\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—BAT\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 rinse\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—BAT\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—BAT\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—BAT\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—BAT. 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":"c0ec83f63e112d35bbddaa788a2d66762060c2314f9918493e34a9a3899d6c93","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-471.71","next":"us/40-cfr-471.73"},"notice":"GroundRules: Original legal text. Not legal advice."}