40 CFR 421.152 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

§ 421.152 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
1 Within the range of 7.5 to 10.0 at all times
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)
(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
1 Within the range of 7.5 to 10.0 at all times.
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)
(c) Beryllium Carbonate Filtrate.
BPT Limitations for the Primary Beryllium Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(d) Beryllium Hydroxide Filtrate.
BPT Limitations for the Primary Beryllium Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(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
1 Within the range of 7.5 to 10.0 at all times.
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)
(f) Beryllium hydroxide supernatant.
BPT Limitations for the Primary Beryllium Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(g) Process water.
BPT Limitations for the Primary Beryllium Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(h) Fluoride furnace scrubber.
BPT Limitations for the Primary Beryllium Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(i) Chip treatment wastewater.
BPT Limitations for the Primary Beryllium Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(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
1Within the range of 7.5 to 10.0 at all times.
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
(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
1 Within the range of 7.5 to 10.0 at all times.
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)
(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
1 Within the range of 7.5 to 10.0 at all times.
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)
(m) Beryl Ore Processing.
BPT Limitations for the Primary Beryllium Subcategory
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(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
1 Within the range of 7.5 to 10.0 at all times.
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)
(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
1 Within the range of 7.5 to 10.0 at all times.
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)
(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
1 Within the range of 7.5 to 10.0 at all times.
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)
[50 FR 38346, Sept. 20, 1985, as amended at 55 FR 31697, Aug. 3, 1990; 55 FR 36932, Sept. 7, 1990]

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