{"data":{"id":"us/40-cfr-471.61","jurisdiction":"us","citation":"40 CFR 471.61","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 practicable control technology currently available (BPT):\n(a) Rolling spent neat oils—subpart F—BPT. There shall be no discharge of process wastewater pollutants.\n(b) Rolling contact cooling water.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium rolled with contact cooling water\nCyanide 1.4 0.586\nLead 2.05 0.976\nZinc 7.13 2.98\nAmmonia 651 286\nFluoride 291 129\nOil and grease 97.0 58.0\nTSS 200.0 95.0\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(c) Drawing spent neat oils—subpart F—BPT. There shall be no discharge of process wastewater pollutants.\n(d) Extrusion spent neat oils—subpart F—BPT. There shall be no discharge of process wastewater pollutants.\n(e) Extrusion spent emulsions.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium extruded\nCyanide 0.021 0.009\nLead 0.030 0.015\nZinc 0.105 0.044\nAmmonia 9.59 4.22\nFluoride 4.28 1.9\nOil and grease 1.44 0.863\nTSS 2.95 1.4\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(f) Extrusion press hydraulic fluid leakage.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium extruded\nCyanide 0.052 0.022\nLead 0.075 0.036\nZinc 0.260 0.109\nAmmonia 23.7 10.5\nFluoride 10.6 4.70\nOil and grease 3.56 2.14\nTSS 7.30 3.47\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(g) Forging spent lubricants—subpart F—BPT. There shall be no discharge of process wastewater pollutants.\n(h) Forging contact cooling water.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of forged titanium cooled with water\nCyanide 0.580 0.240\nLead 0.840 0.400\nZinc 2.92 1.22\nAmmonia 267 117\nFluoride 119 52.8\nOil and grease 40.0 24.0\nTSS 82.0 39.0\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(i) Forging equipment cleaning wastewater.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of refractory metals forged\nCyanide 0.012 0.005\nLead 0.017 0.008\nZinc 0.059 0.025\nAmmonia 5.33 2.35\nFluoride 2.38 1.06\nOil and grease 0.800 0.480\nTSS 1.64 0.780\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(j) Forging press hydraulic fluid leakage.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of refractory metals forged\nCyanide 0.293 0.121\nLead 0.424 0.202\nZinc 1.48 0.616\nAmmonia 135 59.2\nFluoride 60.1 26.7\nOil and grease 20.2 12.1\nTSS 41.4 19.7\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(k) Tube reducing spent lubricants—subpart F—BPT. There shall be no discharge of process wastewater pollutants.\n(l) Heat treatment contact cooling water—subpart F—BPT. There shall be no allowance for the discharge of process wastewater pollutants.\n(m) Surface treatment spent baths.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium surface treated\nCyanide 0.061 0.025\nLead 0.088 0.042\nZinc 0.304 0.127\nAmmonia 27.7 12.2\nFluoride 12.4 5.49\nOil and grease 4.16 2.50\nTSS 8.53 4.06\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(n) Surface treatment rinse.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium surface treated\nCyanide 8.47 3.51\nLead 12.3 5.84\nZinc 42.7 17.8\nAmmonia 3,890 1,710\nFluoride 1,740 771\nOil and grease 584 351\nTSS 1,200 570\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(o) Wet air pollution control scrubber blowdown.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium surface treated or forged\nCyanide 0.621 0.257\nLead 0.899 0.428\nZinc 3.13 1.31\nAmmonia 285 126\nFluoride 128 56.5\nOil and grease 42.8 25.7\nTSS 87.8 41.8\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(p) Alkaline cleaning spent baths.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium alkaline cleaned\nCyanide 0.070 0.029\nLead 0.101 0.048\nZinc 0.351 0.147\nAmmonia 32.0 14.1\nFluoride 14.3 6.34\nOil and grease 4.80 2.88\nTSS 9.84 4.68\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(q) Alkaline cleaning rinse.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium alkaline cleaned\nCyanide 0.801 0.331\nLead 1.16 0.552\nZinc 4.03 1.69\nAmmonia 370 160\nFluoride 164 72.9\nOil and grease 55.2 33.1\nTSS 113 53.8\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(r) Molten salt rinse.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium treated with molten salt\nCyanide 0.277 0.115\nLead 0.401 0.191\nZinc 1.40 0.583\nAmmonia 128 56.0\nFluoride 56.8 25.2\nOil and grease 19.1 11.5\nTSS 39.2 18.6\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(s) Tumbling wastewater.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium tumbled\nCyanide 0.229 0.095\nLead 0.332 0.158\nZinc 1.16 0.482\nAmmonia 110 46\nFluoride 47.0 20.9\nOil and grease 15.8 9.48\nTSS 32.4 15.4\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(t) Sawing or grinding spent neat oils—subpart F—BPT. There shall be no discharge of process wastewater pollutants.\n(u) Sawing or grinding of spent emulsions.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium sawed or ground with an emulsion\nCyanide 0.053 0.022\nLead 0.077 0.037\nZinc 0.267 0.112\nAmmonia 24.4 10.7\nFluoride 10.9 4.83\nOil and grease 3.66 2.20\nTSS 7.51 3.57\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(v) Sawing or grinding contact cooling water.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium sawed or ground with contact cooling water\nCyanide 1.38 0.571\nLead 2.00 0.952\nZinc 6.95 2.91\nAmmonia 635 279\nFluoride 283 126\nOil and grease 95.2 57.1\nTSS 195 92.8\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(w) Dye penetrant testing wastewater.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium tested with dye penetrant methods\nCyanide 0.325 0.135\nLead 0.471 0.224\nZinc 1.64 0.683\nAmmonia 149 65.7\nFluoride 66.7 29.6\nOil and grease 22.4 13.5\nTSS 45.9 21.9\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(x) Miscellaneous wastewater sources.\nSubpart F—BPT\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium formed\nCyanide 0.010 0.004\nLead 0.014 0.007\nZinc 0.048 0.020\nAmmonia 4.32 1.90\nFluoride 1.93 0.856\nOil and grease 0.648 0.389\nTSS 1.33 0.632\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(y) Degreasing spent solvents—subpart F—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 F—Titanium 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":"a8a46a1db55b01cb2784dff375a52f53156520d1c8d3efc9e93614c475367e87","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-471.60","next":"us/40-cfr-471.62"},"notice":"GroundRules: Original legal text. Not legal advice."}