{"data":{"id":"us/40-cfr-467.64","jurisdiction":"us","citation":"40 CFR 467.64","heading":"New source performance standards.","body":"Any new source subject to this subpart must achieve the following performance standards. The discharge of wastewater pollutants from the core shall not exceed the values set forth below:\nSubpart F\nCore\nPollutant or pollutant property NSPS\nMaximum for any 1 day Maximum for monthly average\nmg/off-kg (lb/million off-lbs) of aluminum drawn with emulsions or soaps\nChromium 0.173 0.070\nCyanide 0.094 0.038\nZinc 0.476 0.196\nAluminum 2.85 1.27\nOil and grease 4.67 4.67\nSuspended solids 7.00 5.60\npH (1) (1)\n1 Within the range of 7.0 to 10.0 at all times.\nSubpart F\nContinuous Rod Casting Spent Lubricant\nPollutant or pollutant property NSPS\nMaximum for any 1 day Maximum for monthly average\nmg/off-kg (lb/million off-lbs) of aluminum rod cast\nChromium 0.0008 0.0003\nCyanide 0.0004 0.0002\nZinc 0.0020 0.0008\nAluminum 0.012 0.0053\nOil and grease 0.020 0.020\nSuspended solids 0.030 0.024\npH (1) (1)\n1 Within the range of 7.0 to 10.0 at all times.\nSubpart F\nContinuous Rod Casting Contact Cooling Water\nPollutant or pollutant property NSPS\nMaximum for any 1 day Maximum for monthly average\nmg/off-kg (lb/million off-lbs) of aluminum rod cast\nChromium 0.072 0.029\nCyanide 0.039 0.016\nZinc 0.198 0.081\nAluminum 1.184 0.526\nOil and grease 1.940 1.940\nSuspended solids 2.91 2.33\npH (1) (1)\n1 Within the range of 7.0 to 10.0 at all times.\nSubpart F\nSolution Heat Treatment Contact Cooling Water\nPollutant or pollutant property NSPS\nMaximum for any 1 day Maximum for monthly average\nmg/off-kg (lb/million off-lbs) of aluminum quenched\nChromium 0.754 0.31\nCyanide 0.408 0.16\nZinc 2.08 0.86\nAluminum 12.450 5.52\nOil and grease 20.37 20.37\nSuspended solids 20.56 24.45\npH (1) (1)\n1 Within the range of 7.0 to 10.0 at all times.\nSubpart F\nCleaning or Etching Bath\nPollutant or pollutant property NSPS\nMaximum for any 1 day Maximum for monthly average\nmg/off-kg (lb/million off-lbs) of aluminum cleaned or etched\nChromium 0.066 0.027\nCyanide 0.036 0.015\nZinc 0.183 0.075\nAluminum 1.094 0.49\nOil and grease 1.79 1.79\nSuspended solids 2.69 2.15\npH (1) (1)\n1 Within the range of 7.0 to 10.0 at all times.\nSubpart F\nCleaning or Etching Rinse\nPollutant or pollutant property NSPS\nMaximum for any 1 day Maximum for monthly average\nmg/off-kg (lb/million off-lbs) of aluminum cleaned or etched\nChromium 0.515 0.21\nCyanide 0.278 0.11\nZinc 1.42 0.59\nAluminum 8.50 3.77\nOil and grease 13.91 13.91\nSuspended solids 20.87 16.70\npH (1) (1)\n1 Within the range of 7.0 to 10.0 at all times.\nSubpart F\nCleaning or Etching Scrubber Liquor\nPollutant or pollutant property NSPS\nMaximum for any 1 day Maximum for monthly average\nmg/off-kg (lb/million off-lbs) of aluminum cleaned or etched\nChromium 0.72 0.290\nCyanide 0.387 0.155\nZinc 1.97 0.812\nAluminum 1.18 5.24\nOil and grease 19.33 19.33\nSuspended solids 29.00 23.20\npH (1) (1)\n1 Within the range of 7.0 to 10.0 at all times.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 467—ALUMINUM FORMING POINT SOURCE CATEGORY","Subpart F—Drawing With Emulsions or Soaps 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":"973967c7e1c45242bd8531f65dac8704e4bad165b83cfd79791cff6bc855e61c","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-467.63","next":"us/40-cfr-467.65"},"notice":"GroundRules: Original legal text. Not legal advice."}