{"data":{"id":"us/40-cfr-468.15","jurisdiction":"us","citation":"40 CFR 468.15","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 sources for new sources:\n(a) Subpart A—Hot Rolling Spent Lubricant PSNS.\nPollutant or pollutant property Maximum for any one day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy hot rolled\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy hot rolled\nChromium 0.038 0.015\nCopper 0.131 0.062\nLead 0.010 0.0092\nNickel 0.056 0.038\nZinc 0.105 0.043\nTTO 0.035 0.035\nOil and grease 1 1.030 1.030\n1 For alternate monitoring.\n(b) Subpart A—Cold Rolling Spent Lubricant PSNS.\nPollutant or pollutant property Maximum for any one day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy cold rolled\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy cold rolled\nChromium 0.140 0.056\nCopper 0.485 0.231\nLead 0.037 0.034\nNickel 0.208 0.140\nZinc 0.386 0.159\nTTO 0.128 0.128\nOil and grease 1 3.790 3.790\n1 For alternate monitoring.\n(c) Subpart A—Drawing Spent Lubricant PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy drawn\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy drawn\nChromium 0.031 0.012\nCopper 0.108 0.051\nLead 0.0085 0.0076\nNickel 0.046 0.031\nZinc 0.086 0.035\nTTO 0.028 0.028\nOil and grease 1 0.850 0.850\n1 For alternate monitoring.\n(d) Subpart A—Solution Heat Treatment PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy heat treated\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy heat treated\nChromium 0.239 0.096\nCopper 0.826 0.394\nLead 0.064 0.058\nNickel 0.355 0.239\nZinc 0.658 0.271\nTTO 0.219 0.219\nOil and grease 1 6.460 6.460\n1 For alternate monitoring.\n(e) Subpart A—Extrusion Heat Treatment PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy heat treated on an extrusion press\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy heat treated on an extrusion press\nChromium 0.00074 0.00030\nCopper 0.0020 0.0010\nLead 0.00020 0.00018\nNickel 0.0010 0.00074\nZinc 0.0020 0.00084\nTTO 0.00068 0.00068\nOil and grease 1 0.020 0.020\n1 For alternate monitoring.\n(f) Subpart A—Annealing with Water PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy annealed with water\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy annealed with water\nChromium 0.458 0.186\nCopper 1.587 0.756\nLead 0.124 0.111\nNickel 0.682 0.458\nZinc 1.264 0.520\nTTO 0.421 0.421\nOil and grease 1 12.400 12.400\n1 For alternate monitoring.\n(g) Subpart A—Annealing With Oil PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy annealed with oil\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy annealed with oil\nChromium 0 0\nCopper 0 0\nLead 0 0\nNickel 0 0\nZinc 0 0\nTTO 0 0\nOil and grease 1 0 0\n1 For alternate monitoring.\n(h) Subpart A—Alkaline Cleaning Rinse PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy alkaline cleaned\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy alkaline cleaned\nChromium 1.559 0.632\nCopper 5.393 2.570\nLead 0.421 0.379\nNickel 2.317 1.559\nZinc 4.298 1.769\nTTO 1.432 1.432\nOil and grease 1 42.140 42.140\n1 For alternate monitoring.\n(i) Subpart A—Alkaline Cleaning Rinse for Forged Parts PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy forged parts alkaline cleaned\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy forged parts alkaline cleaned\nChromium 4.677 1.896\nCopper 16.181 7.711\nLead 1.264 1.137\nNickel 6.953 4.677\nZinc 12.894 5.309\nTTO 4.298 4.298\nOil and grease 1 126.420 126.420\n1 For alternate monitoring.\n(j) Subpart A—Alkaline Cleaning Bath PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy alkaline cleaned\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy alkaline cleaned\nChromium 0.017 0.0070\nCopper 0.059 0.028\nLead 0.0046 0.0042\nNickel 0.025 0.017\nZinc 0.047 0.019\nTTO 0.015 0.015\nOil and grease 1 0.46 0.46\n1 For alternate monitoring.\n(k) Subpart A—Pickling Rinse PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy pickled\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy pickled\nChromium 0.216 0.087\nCopper 0.748 0.356\nLead 0.058 0.052\nNickel 0.321 0.216\nZinc 0.596 0.245\nTTO 0.198 0.198\nOil and grease 1 5.850 5.850\n1 For alternate monitoring.\n(l) Subpart A—Pickling Rinse for Forged Parts PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy forged parts pickled\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy forged parts pickled\nChromium 0.649 0.263\nCopper 2.246 1.070\nLead 0.175 0.157\nNickel 0.965 0.649\nZinc 1.790 0.737\nTTO 0.596 0.596\nOil and grease 1 17.550 17.550\n1 For alternate monitoring.\n(m) Subpart A—Pickling Bath PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy pickled\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy pickled\nChromium 0.042 0.017\nCopper 0.148 0.070\nLead 0.011 0.010\nNickel 0.063 0.042\nZinc 0.118 0.048\nTTO 0.039 0.039\nOil and grease 1 1.160 1.160\n1 For alternate monitoring.\n(n) Subpart A—Pickling Fume Scrubber PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy pickled\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy pickled\nChromium 0.231 0.093\nCopper 0.801 0.381\nLead 0.062 0.056\nNickel 0.344 0.231\nZinc 0.638 0.262\nTTO 0.212 0.212\nOil and grease 1 6.260 6.260\n1 For alternate monitoring.\n(o) Subpart A—Tumbling or Burnishing PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy tumbled or burnished\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy tumbled or burnished\nChromium 0.215 0.087\nCopper 0.746 0.355\nLead 0.058 0.052\nNickel 0.320 0.215\nZinc 0.594 0.244\nTTO 0.198 0.198\nOil and grease 1 5.830 5.830\n1 For alternate monitoring.\n(p) Subpart A—Surface Coating PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy surface coated\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy surface coated\nChromium 0.274 0.111\nCopper 0.951 0.453\nLead 0.074 0.066\nNickel 0.408 0.274\nZinc 0.757 0.312\nTTO 0.252 0.252\nOil and grease 1 7.430 7.430\n1 For alternate monitoring.\n(q) Subpart A—Miscellaneous Waste Streams PSNS.\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/off-kg of copper or copper alloy formed\nEnglish units—pounds per 1,000,000 off-pounds of copper or copper alloy formed\nChromium 0.008 0.003\nCopper 0.027 0.013\nLead 0.0021 0.0019\nNickel 0.011 0.008\nZinc 0.022 0.009\nTTO 0.007 0.007\nOil and grease 1 0.218 0.218\n1 For alternate monitoring.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 468—COPPER FORMING POINT SOURCE CATEGORY","Subpart A—Copper 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":"2a57be2839a59d8c2ff489ca798b67389b03fd9189be846d32d248a183db12ee","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-468.14","next":"us/40-cfr-468.16"},"notice":"GroundRules: Original legal text. Not legal advice."}