{"data":{"id":"us/40-cfr-471.71","jurisdiction":"us","citation":"40 CFR 471.71","heading":"Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).","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 for the process operations representing the degree of effluent reduction attainable by the application of the best praticable control technology currently available (BPT):\n(a) Extrusion spent lubricants—subpart G—BPT. There shall be no discharge process wastewater pollutants.\n(b) Extrusion tool contact cooling water.\nSubpart G—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of uranium extruded\nCadium 0.117 0.052\nChromium 0.152 0.062\nCopper 0.654 0.344\nLead 0.145 0.069\nNickel 0.661 0.437\nFluoride 20.5 9.08\nMolybdenum 2.28 1.18\nOil and grease 6.88 4.13\nTSS 14.1 6.71\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(c) Heat treatment contact cooling water.\nSubpart G—BPT\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\nCadium 0.646 0.285\nChromium 0.836 0.342\nCopper 3.61 1.90\nLead 0.798 0.380\nNickel 3.65 2.42\nFluoride 113 50.2\nMolybdenum 12.6 6.5\nOil and grease 38 22.8\nTSS 77.9 37.1\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(d) Forging spent lubricants—subpart G—BPT. There shall be no discharge of process wastewater pollutants.\n(e) Surface treatment spent baths.\nSubpart G—BPT\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 0.010 0.004\nChromium 0.012 0.005\nCopper 0.052 0.027\nLead 0.012 0.006\nNickel 0.052 0.035\nFluoride 1.62 0.718\nMolybdenum 0.180 0.093\nOil and grease 0.544 0.327\nTSS 1.12 0.531\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(f) Surface treatment rinse.\nSubpart G—BPT\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 0.115 0.050\nChromium 0.149 0.061\nCopper 0.641 0.337\nLead 0.142 0.068\nNickel 0.647 0.428\nFluoride 20.1 8.90\nMolybdenum 2.23 1.16\nOil and grease 6.74 4.05\nTSS 13.8 6.57\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(g) Wet air pollution control scrubber blowdown.\nSubpart G—BPT\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 0.00 0.0006\nChromium 0.002 0.0007\nCopper 0.007 0.004\nLead 0.002 0.0007\nNickel 0.007 0.005\nFluoride 0.208 0.092\nMolybdenum 0.023 0.012\nOil and grease 0.070 0.042\nTSS 0.143 0.068\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(h) Sawing or grinding spent emulsions.\nSubpart G—BPT\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 0.002 0.0009\nChromium 0.003 0.001\nCopper 0.011 0.006\nLead 0.003 0.001\nNickel 0.011 0.007\nFluoride 0.338 0.150\nMolybdenum 0.038 0.020\nOil and grease 0.114 0.068\nTSS 0.233 0.111\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(i) Sawing or grinding contact cooling water.\nSubpart G—BPT\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 ater\nCadmium 0.561 0.248\nChromium 0.726 0.297\nCopper 3.14 1.65\nLead 0.693 0.330\nNickel 3.17 2.1\nFluoride 98.2 43.6\nMolybdenum 10.9 5.65\nOil and grease 33.0 19.8\nTSS 67.7 32.2\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(j) Sawing or grinding rinse.\nSubpart G—BPT\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 rinses\nCadmium 0.002 0.0007\nChromium 0.002 0.0009\nCopper 0.009 0.005\nLead 0.002 0.001\nNickel 0.009 0.006\nFluoride 0.277 0.123\nMolybdenum 0.031 0.016\nOil and grease 0.093 0.056\nTSS 0.191 0.091\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(k) Area cleaning rinse.\nSubpart G—BPT\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 0.015 0.007\nChromium 0.019 0.008\nCopper 0.082 0.043\nLead 0.018 0.009\nNickel 0.083 0.055\nFluoride 2.56 1.14\nMolybdenum 0.284 0.147\nOil and grease 0.858 0.515\nTSS 1.76 0.837\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(l) Drum washwater.\nSubpart G—BPT\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 0.015 0.007\nChromium 0.020 0.008\nCopper 0.084 0.045\nLead 0.019 0.009\nNickel 0.085 0.057\nFluoride 2.64 1.17\nMolybdenum 0.293 0.152\nOil and grease 0.886 0.532\nTSS 1.82 0.864\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(m) Laundry washwater.\nSubpart G—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/employee—day\nCadmium 17.8 7.86\nChromium 23.1 9.43\nCopper 99.6 52.4\nLead 22.0 10.5\nNickel 101 66.6\nFluoride 3,120 1,390\nMolybdenum 347 179\nOil and grease 1,050 629\nTSS 2,150 1,020\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(n) Degreasing spent solvents—subpart G—BPT. 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":"af3141b512047403bf4826d1a81e9710daa6854abf8ed6060e84e7efcddd1f26","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-471.70","next":"us/40-cfr-471.72"},"notice":"GroundRules: Original legal text. Not legal advice."}