{"data":{"id":"us/40-cfr-421.154","jurisdiction":"us","citation":"40 CFR 421.154","heading":"Standards of performance for new sources.","body":"Any new source subject to this subpart shall achieve the following new source performance standards:\n(a) Solvent extraction raffinate from bertrandite ore.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds million pounds) of beryllium carbonate produced from bertrandite ore as beryllium\nBeryllium 1,842.000 831.000\nChromium (total) 831.000 336.900\nCopper 2,875.000 1,370.000\nCyanide (total) 449.200 179.700\nAmmonia (as N) 299,400.000 131,600.000\nFluoride 78,610.000 44,700.000\nTotal Suspended solids 33,690.000 26,950.000\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(b) Solvent extraction raffinate from beryl ore.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds per million pounds) of beryllium carbonate produced from beryl ore as beryllium\nBeryllium 180.4 81.4\nChromium (total) 81.4 33.0\nCopper 281.6 134.2\nCyanide (total) 44.0 17.6\nAmmonia (as N) 29,330.0 12,890.0\nFluoride 7,700.0 4,378.0\nTotal Suspended solids 3,300.0 2,640.0\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(c) Beryllium carbonate filtrate.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds per million pounds) of beryllium carbonate produced as beryllium\nBeryllium 175.900 79.370\nChromium (total) 79.370 32.180\nCopper 274.600 130.800\nCyanide (total) 42.900 17.160\nAmmonia (as N) 28,590.000 12,579.000\nFluoride 7,508.000 4,269.000\nTotal Suspended solids 3,218.000 2,574.000\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(d) Beryllium hydroxide filtrate.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds per million pounds) of beryllium hydroxide produced as beryllium\nBeryllium 111.520 50.320\nChromium (Total) 50.320 20.400\nCopper 174.080 82.960\nCyanide (Total) 27.200 10.880\nAmmonia (as N) 18128.800 7969.600\nFluoride 4760.000 2706.400\nTotal Suspended Solids 2040.000 1632.000\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(e) Beryllium oxide calcining furnace wet air pollution control.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds per million pounds) of beryllium oxide produced\nBeryllium 216.20 97.57\nChromium (total) 95.57 39.56\nCopper 337.50 160.90\nCyanide (total) 52.74 21.10\nAmmonia (as N) 35,150.00 15,450.00\nFluoride 9,230.00 5,248.00\nTotal suspended solids 3,956.00 3,164.00\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(f) Beryllium hydroxide supernatant.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds per million pounds) of beryllium hydroxide produced from scrap and residues as beryllium\nBeryllium 188.6 85.1\nChromium (total) 85.1 34.5\nCopper 294.4 140.3\nCyanide (total) 46.0 18.4\nAmmonia (as N) 30,660.0 13,480.0\nFluoride 160,308.0 71,201.0\nTotal Suspended solids 3,450.0 2,760.0\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(g) Process water.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds per million pounds) of beryllium pebbles produced\nBeryllium 143.30 64.68\nChromium (total) 64.68 26.22\nCopper 223.70 106.60\nCyanide (total) 34.96 13.98\nAmmonia (as N) 23,300.00 10,240.00\nFluoride 6,118.00 3,479.00\nTotal suspended solids 2,622.00 2,098.00\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(h) Fluoride furnace scrubber.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds per million pounds) of beryllium pebbles produced\nBeryllium 0.000 0.000\nChromium (total) 0.000 0.000\nCopper 0.000 0.000\nCyanide (total) 0.000 0.000\nAmmonia (as N) 0.000 0.000\nFluoride 0.000 0.000\nTotal suspended solids 0.000 0.000\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(i) Chip treatment wastewater.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds per million pounds) of beryllium scrap chips treated\nBeryllium 6.355 2.868\nChromium (total) 2.868 1.163\nCopper 9.920 4.728\nCyanide (total) 1.550 0.620\nAmmonia (as N) 1,033.000 454.200\nFluoride 271.300 154.200\nTotal suspended solids 116.300 93.000\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(j) Beryllium pebble plant area vent wet air pollution control.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds per million pounds) of beryllium pebbles produced\nBeryllium 0.000 0.000\nChromium (total) 0.000 0.000\nCopper 0.000 0.000\nCyanide (total) 0.000 0.000\nAmmonia (as N) 0.000 0.000\nFluoride 0.000 0.000\nTotal suspended solids 0.000 0.000\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(k) Beryl Ore Gangue Dewatering.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds per million pounds) of beryl ore processed\nBeryllium 0.855 0.386\nChromium (Total) 0.386 0.156\nCopper 1.335 0.636\nCyanide (Total) 0.209 0.083\nAmmonia (as N) 139.032 61.120\nFluoride 36.505 20.756\nTotal Suspended Solids 15.645 12.516\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(l) Bertrandite Ore Gangue Dewatering.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds per million pounds) of bertrandite ore processed\nBeryllium 2.185 0.986\nChromium (Total) 0.986 0.400\nCopper 3.411 1.626\nCyanide (Total) 0.533 0.213\nAmmonia (as N) 355.245 156.169\nFluoride 93.275 53.034\nTotal Suspended Solids 39.975 31.980\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(m) Beryl Ore Processing.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds per million pounds) of beryl ore processed\nBeryllium 5.988 2.702\nChromium (Total) 2.702 1.095\nCopper 9.348 4.455\nCyanide (Total) 1.461 0.584\nAmmonia (as N) 973.490 427.956\nFluoride 255.605 145.330\nTotal Suspended Solids 109.545 87.636\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(n) Aluminum Iron Sludge (AIS) Area Wastewater.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg (pounds per million pounds) of total beryllium carbonate produced as beryllium\nBeryllium 383.760 173.160\nChromium (Total) 173.160 70.200\nCopper 599.040 285.480\nCyanide (Total) 93.600 37.440\nAmmonia (as N) 62384.400 27424.800\nFluoride 16380.000 9313.200\nTotal Suspended Solids 7020.000 5616.000\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(o) Bertrandite Ore Leaching Scrubber.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg of bertrandite ore processed\nBeryllium 1.239 0.559\nChromium (Total) 0.559 0.227\nCopper 1.934 0.922\nCyanide (Total) 0.302 0.121\nAmmonia (as N) 201.416 88.545\nFluoride 52.885 30.069\nTotal Suspended Solids 22.665 18.132\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.\n(p) Bertrandite Ore Countercurrent and Decantation (CCD) Scrubber.\nNSPS for the Primary Beryllium Subcategory\nPollutant or pollutant property Maximum for any 1 day Maximum for monthly average\nmg/kg of bertrandite ore processed\nBeryllium 0.083 0.037\nChromium (Total) 0.037 0.015\nCopper 0.129 0.062\nCyanide (Total) 0.020 0.008\nAmmonia (as N) 13.463 5.919\nFluoride 3.535 2.010\nTotal Suspended Solids 1.515 1.212\npH (1) (1)\n1 Within the range of 7.5 to 10.0 at all times.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY","Subpart O—Primary Beryllium 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":"6fa48a1003b20855fe8f2ea8008cb246b806da5e4991b2160e954811c32ebe6c","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-421.153","next":"us/40-cfr-421.155"},"notice":"GroundRules: Original legal text. Not legal advice."}