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.

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.