{"data":{"id":"us/40-cfr-471.63","jurisdiction":"us","citation":"40 CFR 471.63","heading":"New source performance standards (NSPS).","body":"Any new source subject to this subpart must achieve the following new source performance standards (NSPS). The discharge of wastewater pollutants from titanium process wastewater shall not exceed the values set forth below:\n(a) Rolling spent neat oils—subpart F—NSPS. There shall be no discharge of process wastewater pollutants.\n(b) Rolling contact cooling water.\nSubpart F—NSPS\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 0.142 0.059\nLead 0.205 0.098\nZinc 0.713 0.298\nAmmonia 65.1 28.6\nFluoride 29.1 12.9\nOil and grease 9.76 5.86\nTSS 20.0 9.52\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(c) Drawing spent neat oils—subpart F—NSPS. There shall be no discharge of process wastewater pollutants.\n(d) Extrusion spent neat oils—subpart F—NSPS. There shall be no discharge of process wastewater pollutants.\n(e) Extrusion spent emulsions.\nSubpart F—NSPS\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 1.40\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—NSPS\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—NSPS. There shall be no discharge of process wastewater pollutants.\n(h) Forging contact cooling water.\nSubpart F—NSPS\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 0.029 0.012\nLead 0.0420 0.020\nZinc 0.146 0.061\nAmmonia 13.3 5.86\nFluoride 5.95 2.64\nOil and grease 2.00 1.20\nTSS 4.10 1.95\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(i) Forging equipment cleaning wastewater.\nSubpart F—NSPS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium 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 0.490\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—NSPS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium 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—NSPS. There shall be no discharge of process wastewater pollutants.\n(l) Heat treatment contact cooling water—subpart F—NSPS. There shall be no discharge allowance for the discharge of process wastewater pollutants.\n(m) Surface treatment spent baths.\nSubpart F—NSPS\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—NSPS\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 0.847 0.351\nLead 1.23 0.584\nZinc 4.27 1.78\nAmmonia 389 171\nFluoride 174 77.1\nOil and grease 58.4 35.1\nTSS 120 57.0\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—NSPS\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 0.062 0.026\nLead 0.090 0.043\nZinc 0.313 0.131\nAmmonia 28.5 12.6\nFluoride 12.8 5.65\nOil and grease 4.28 2.57\nTSS 8.78 4.18\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(p) Alkaline cleaning spent baths.\nSubpart F—NSPS\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 0.030\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—NSPS\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 0.080 0.033\nLead 0.116 0.055\nZinc 0.403 0.169\nAmmonia 36.8 16.2\nFluoride 16.4 7.29\nOil and grease 5.52 3.31\nTSS 11.3 5.38\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(r) Molten salt rinse.\nSubpart F—NSPS\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—NSPS\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 0.023 0.010\nLead 0.033 0.016\nZinc 0.116 0.048\nAmmonia 10.6 4.63\nFluoride 4.70 2.09\nOil and grease 1.58 0.948\nTSS 3.24 1.54\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—NSPS. There shall be no discharge of process wastewater pollutants.\n(u) Sawing or grinding spent emulsions.\nSubpart F—NSPS\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 emulsions\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—NSPS\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 0.138 0.057\nLead 0.200 0.095\nZinc 0.695 0.291\nAmmonia 63.5 27.9\nFluoride 28.3 12.6\nOil and grease 9.52 5.71\nTSS 19.5 9.28\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(w) Dye penetrant testing wastewater.\nSubpart F—NSPS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium tested using 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—NSPS\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 0.63\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(y) Degreasing spent solvents—subpart F—NSPS. There shall be no discharge of process wastewater pollutant.","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":"05ce7e4c643fb8b7374ce814f55d03f01a2123feeb8591ca85e110b6dd3ee85d","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-471.62","next":"us/40-cfr-471.64"},"notice":"GroundRules: Original legal text. Not legal advice."}