{"data":{"id":"us/40-cfr-461.32","jurisdiction":"us","citation":"40 CFR 461.32","heading":"Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).","body":"(a) 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 representing the degree of effluent reduction attainable by the application of the best available technology economically achievable:\n(1) Subpart C—Open Formation—Dehydrated.\nBAT Effluent Limitations\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/kg of lead used\nEnglish units—pounds per 1,000,000 pounds of lead used\nCopper 3.19 1.68\nLead 0.71 0.34\nIron 2.02 1.02\n(2) Subpart C—Open Formation—Wet.\nBAT Effluent Limitations\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/kg of lead used\nEnglish units—pounds per 1,000,000 pounds of lead used\nCopper 0.100 0.053\nLead 0.022 0.010\nIron 0.06 0.03\n(3) Subpart C—Plate Soak.\nBAT Effluent Limitations\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/kg of lead used\nEnglish units—pounds per 1,000,000 pounds of lead used\nCopper 0.039 0.021\nLead 0.008 0.004\nIron 0.030 0.010\n(4) Subpart C—Battery Wash (Detergent).\nBAT Effluent Limitations\nPollutant or Pollutant Property Maximum for any 1 Day Maximum for monthly average\nMetric units—mg/kg of lead used\nEnglish units—pounds per 1,000,000 pounds of lead used\nCopper 1.71 0.90\nLead 0.38 0.18\nIron 1.08 0.55\n(5) Subpart C—Direct Chill Lead Casting.\nBAT Effluent Limitations\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/kg of lead used\nEnglish units—pounds per 1,000,000 pounds of lead used\nCopper 0.0004 0.0002\nLead 0.00008 0.00004\nIron 0.0002 0.0001\n(6) Subpart C—Mold Release Formulation.\nBAT Effluent Limitations\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/kg of lead used\nEnglish units—pounds per 1,000,000 pounds of lead used\nCopper 0.011 0.006\nLead 0.002 0.001\nIron 0.007 0.003\n(7) Subpart C—Truck Wash.\nBAT Effluent Limitations\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/kg of lead in trucked batteries\nEnglish units—pounds per 1,000,000 pounds of lead in trucked batteries\nCopper 0.026 0.014\nLead 0.005 0.002\nIron 0.016 0.008\n(8) Subpart C—Laundry.\nBAT Effluent Limitations\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/kg of lead used\nEnglish units—pounds per 1,000,000 pounds of lead used\nCopper 0.21 0.11\nLead 0.05 0.02\nIron 0.13 0.07\n(9) Subpart C—Miscellaneous Wastewater Streams.\nBAT Effluent Limitations\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nMetric units—mg/kg of lead used\nEnglish units—pounds per 1,000,000 pounds of lead used\nCopper 0.58 0.31\nLead 0.13 0.06\nIron 0.37 0.19\n(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 461—BATTERY MANUFACTURING POINT SOURCE CATEGORY","Subpart C—Lead 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":"30a7dcea2b15575fc6627437bd143abcf4c169afce68a3ff39ef3623281b6046","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-461.31","next":"us/40-cfr-461.33"},"notice":"GroundRules: Original legal text. Not legal advice."}