{"data":{"id":"us/40-cfr-461.33","jurisdiction":"us","citation":"40 CFR 461.33","heading":"New source performance standards (NSPS).","body":"(a) The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below:\n(1) Subpart C—Open Formation—Dehydrated—NSPS.\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 2.15 1.02\nLead 0.47 0.21\nIron 2.01 1.02\nOil and grease 16.80 16.80\nTSS 25.20 20.16\npH (1) (1)\n1 Within the limits of 7.5 to 10.0 at all times.\n(2) Subpart C—Open Formation—Wet—NSPS.\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 0.067 0.032\nLead 0.014 0.006\nIron 0.063 0.032\nOil and grease 0.53 0.53\nTSS 0.80 0.64\npH (1) (1)\n1 Within the limits of 7.5 to 10.0 at all times.\n(3) Subpart C—Plate Soak—NSPS.\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 0.026 0.012\nLead 0.005 0.002\nIron 0.025 0.012\nOil and grease 0.21 0.21\nTSS 0.32 0.25\npH (1) (1)\n1 Within the limits of 7.5 to 10.0 at all times.\n(4) Subpart C—Battery Wash (Detergent)—NSPS.\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 1.152 0.549\nLead 0.252 0.117\nIron 1.08 0.55\nOil and grease 9.0 9.0\nTSS 13.5 10.8\npH (1) (1)\n1 Within the limits of 7.5 to 10.0 at all times.\n(5) Subpart C—Direct Chill Lead Casting—NSPS.\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 0.000256 0.000122\nLead 0.000056 0.000026\nIron 0.000240 0.000122\nOil and grease 0.0020 0.0020\nTSS 0.0030 0.0024\npH (1) (1)\n1 Within the limits of 7.5 to 10.0 at all times.\n(6) Subpart C—Mold Release Formulation—NSPS.\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 0.0077 0.0037\nLead 0.0017 0.0008\nIron 0.0072 0.0037\nOil and grease 0.060 0.060\nTSS 0.090 0.072\npH (1) (1)\n1 Within the limits of 7.5 to 10.0 at all times.\n(7) Subpart C—Truck Wash—NSPS.\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 0.006 0.003\nLead 0.001 0.0007\nIron 0.006 0.003\nOil and grease 0.050 0.050\nTSS 0.075 0.060\npH (1) (1)\n1 Within the limits of 7.5 to 10.0 at all times.\n(8) Subpart C—Laundry—NSPS.\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 0.14 0.07\nLead 0.03 0.01\nIron 0.13 0.07\nOil and grease 1.09 1.09\nTSS 1.64 1.31\npH (1) (1)\n1 Within the limits of 7.5 to 10.0 at all times.\n(9) Subpart C—Miscellaneous Wastewater Streams—NSPS.\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 0.39 0.19\nLead 0.085 0.039\nIron 0.37 0.19\nOil and grease 3.07 3.07\nTSS 4.61 3.69\npH (1) (1)\n1 Within the limits of 7.5 to 10.0 at all times.\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":"06eb26da1500d90c3bbaeb29084910260cd326fa69876272b93221609a899fca","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-461.32","next":"us/40-cfr-461.34"},"notice":"GroundRules: Original legal text. Not legal advice."}