{"data":{"id":"us/40-cfr-471.65","jurisdiction":"us","citation":"40 CFR 471.65","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 the titanium forming process wastewater shall not exceed the values set forth below:\n(a) Rolling spent neat oils—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.\n(b) Rolling contact cooling water.\nSubpart F—PSNS\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\n(c) Drawing spent neat oils—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.\n(d) Extrusion spent neat oils—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.\n(e) Extrusion spent emulsions.\nSubpart F—PSNS\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 1.90\n(f) Extrusion press hydraulic fluid leakage.\nSubpart F—PSNS\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\n(g) Forging spent lubricants—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.\n(h) Forging contact cooling water.\nSubpart F—PSNS\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 0.042 0.020\nZinc 0.146 0.061\nAmmonia 13.3 5.86\nFluoride 5.95 2.64\n(i) Forging equipment cleaning wastewater.\nSubpart F—PSNS\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\n(j) Forging press hydraulic fluid leakage.\nSubpart F—PSNS\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\n(k) Tube reducing spent lubricants—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.\n(l) Heat treatment contact cooling water—subpart F—PSNS. There shall be no discharge allowance for the discharge of process wastewater pollutants.\n(m) Surface treatment spent baths.\nSubpart F—PSNS\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\n(n) Surface treatment rinse.\nSubpart F—PSNS\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\n(o) Wet air pollution control scrubber blowdown.\nSubpart F—PSNS\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\n(p) Alkaline cleaning spent baths.\nSubpart F—PSNS\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\n(q) Alkaline cleaning rinse.\nSubpart F—PSNS\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\n(r) Molten salt rinse.\nSubpart F—PSNS\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\n(s) Tumbling wastewater.\nSubpart F—PSNS\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\n(t) Sawing or grinding spent neat oils—subpart F—PSNS. There shall be no discharge of process wastewater pollutants.\n(u) Sawing or grinding spent emulsions.\nSubpart F—PSNS\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\n(v) Sawing or grinding contact cooling water.\nSubpart F—PSNS\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\n(w) Dye penetrant testing wastewater.\nSubpart F—PSNS\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/off-kg (pounds per million off-pounds) of titanium treated 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\n(x) Miscellaneous wastewater sources.\nSubpart F—PSNS\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\n(y) Degreasing spent solvents—subpart F—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 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":"7b46bd63ba13d172a4441590033daef03b6fa0b9780c3ff6c8e77e324d819207","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-471.64","next":"us/40-cfr-471.66"},"notice":"GroundRules: Original legal text. Not legal advice."}