Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable technology currently available: (a) Solvent Extraction Raffinate from Bertrandite Ore. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of beryllium carbonate produced from bertrandite ore as beryllium Beryllium 2,763.000 1,235.000 Chromium (total) 988.200 404.300 Copper 4,267.000 2,246.000 Cyanide (total) 651.300 269.500 Ammonia (as N) 299,400.000 131,600.000 Fluoride 78,610.000 44,700.000 Total suspended solids 92,090.000 43,800.000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times (b) Solvent Extraction Raffinate from Beryl Ore. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of beryllium carbonate produced from beryl ore as beryllium Beryllium 270.6 121.0 Chromium (total) 96.8 39.6 Copper 418.0 220.0 Cyanide (total) 63.8 26.4 Ammonia (as N) 29,330.0 12,890.0 Fluoride 7,700.0 4,378.0 Total suspended solids 9,020.0 4,290.0 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (c) Beryllium Carbonate Filtrate. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of beryllium carbonate produced as beryllium Beryllium 263.800 118.000 Chromium (total) 94.380 38.610 Copper 407.600 214.500 Cyanide (total) 62.210 25.740 Ammonia (as N) 28,590.000 12,570.000 Fluoride 7,508.000 4,269.000 Total suspended 8,795.000 4,183.000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (d) Beryllium Hydroxide Filtrate. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of beryllium hydroxide produced as beryllium Beryllium 167.280 74.800 Chromium (Total) 59.840 24.480 Copper 258.400 136.000 Cyanide (Total) 39.440 16.320 Ammonia (as N) 18128.800 7969.600 Fluoride 4760.000 2706.400 Total Suspended Solids 5576.000 2652.000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (e) Beryllium Oxide Calcining Furnace Wet Air Pollution Control. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of beryllium oxide produced Beryllium 324.000 145.000 Chromium (total) 116.000 47.470 Copper 501.000 263.700 Cyanide (total) 76.470 31.640 Ammonia (as N) 35,150.000 15,450.000 Fluoride 9,230.000 5,248.000 Total suspended solids 10,810.000 5,142.000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (f) Beryllium hydroxide supernatant. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of beryllium hydroxide produced from scrap and residues as beryllium Beryllium 282.9 126.5 Chromium (total) 101.2 41.4 Copper 437.0 230.0 Cyanide (total) 66.7 27.6 Ammonia (as N) 30,660.0 13,480.0 Fluoride 160,308.0 71,201.0 Total suspended solids 9,430.0 4,485.0 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (g) Process water. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of beryllium pebbles produced Beryllium 215.00 96.14 Chromium (total) 76.91 31.46 Copper 332.10 174.80 Cyanide (total) 50.69 20.98 Ammonia (as N) 23,300.00 10,240.00 Fluoride 6,118.00 3,479.00 Total suspended solids 7,167.00 3,409.00 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (h) Fluoride furnace scrubber. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of beryllium pebbles produced Beryllium 0.000 0.000 Chromium (total) 0.000 0.000 Copper 0.000 0.000 Cyanide (total) 0.000 0.000 Ammonia (as N) 0.000 0.000 Fluoride 0.000 0.000 Total suspended solids 0.000 0.000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (i) Chip treatment wastewater. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of beryllium scrap chips treated Beryllium 9.533 4.263 Chromium (total) 3.410 1.395 Copper 14.730 7.750 Cyanide (total) 2.248 0.930 Ammonia (as N) 1,033.000 454.200 Fluoride 271.300 154.200 Total suspended solids 317.800 151.100 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (j) Beryllium Pebble Plant Area Vent Wet Air Pollution Control. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of beryllium pebbles produced Beryllium 0.000 0.000 Chromium (total) 0.000 0.000 Copper 0.000 0.000 Cyanide (total) 0.000 0.000 Ammonia (as N) 0.000 0.000 Fluoride 0.000 0.000 Total suspended solids 0.000 0.000 pH 1 1 1 Within the range of 7.5 to 10.0 at all times. (k) Beryl Ore Gangue Dewatering. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of beryl ore processed Beryllium 1.283 0.574 Chromium (Total) 0.459 0.188 Copper 1.982 1.043 Cyanide (Total) 0.302 0.125 Ammonia (as N) 139.032 61.120 Fluoride 36.505 20.756 Total Suspended Solids 42.763 20.339 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (l) Bertrandite Ore Gangue Dewatering. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of bertrandite ore processed Beryllium 3.279 1.466 Chromium (Total) 1.173 0.480 Copper 5.064 2.665 Cyanide (Total) 0.773 0.320 Ammonia (as N) 355.245 156.169 Fluoride 93.275 53.034 Total Suspended Solids 109.265 51.968 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (m) Beryl Ore Processing. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of beryl ore processed Beryllium 8.983 4.017 Chromium (Total) 3.213 1.315 Copper 13.876 7.303 Cyanide (Total) 2.118 0.876 Ammonia (as N) 973.490 427.956 Fluoride 255.605 145.330 Total Suspended Solids 299.423 142.409 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (n) Aluminum Iron Sludge (AIS) Area Wastewater. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of total beryllium carbonate produced as beryllium Beryllium 575.640 257.400 Chromium (Total) 205.920 84.240 Copper 889.200 468.000 Cyanide (Total) 135.720 56.160 Ammonia (as N) 62384.400 27424.800 Fluoride 16380.000 9313.200 Total Suspended Solids 19188.000 9126.000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (o) Bertrandite Ore Leaching Scrubber. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg of bertrandite ore processed Beryllium 1.859 0.831 Chromium (Total) 0.665 0.272 Copper 2.871 1.511 Cyanide (Total) 0.438 0.181 Ammonia (as N) 201.416 88.545 Fluoride 52.885 30.069 Total Suspended Solids 61.951 29.465 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (p) Bertrandite Ore Countercurrent and Decantation (CCD) Scrubber. BPT Limitations for the Primary Beryllium Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg of bertrandite ore processed Beryllium 0.124 0.056 Chromium (Total) 0.044 0.018 Copper 0.192 0.101 Cyanide (Total) 0.029 0.012 Ammonia (as N) 13.463 5.919 Fluoride 3.535 2.010 Total Suspended Solids 4.141 1.970 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. [50 FR 38346, Sept. 20, 1985, as amended at 55 FR 31697, Aug. 3, 1990; 55 FR 36932, Sept. 7, 1990]