Statutes, codes, and regulations
Code of Federal Regulations
Title 40 - PROTECTION OF ENVIRONMENTChapter I - ENVIRONMENTAL PROTECTION AGENCYSubchapter N - EFFLUENT GUIDELINES AND STANDARDSPart 421 - NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY
Subpart O - PRIMARY BERYLLIUM SUBCATEGORY
Section 421.152 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available

40 C.F.R. § 421.152

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Current through September 30, 2024
Section 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
Beryllium2,763.0001,235.000
Chromium (total)988.200404.300
Copper4,267.0002,246.000
Cyanide (total)651.300269.500
Ammonia (as N)299,400.000131,600.000
Fluoride78,610.00044,700.000
Total suspended solids92,090.00043,800.000
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
Beryllium270.6121.0
Chromium (total)96.839.6
Copper418.0220.0
Cyanide (total)63.826.4
Ammonia (as N)29,330.012,890.0
Fluoride7,700.04,378.0
Total suspended solids9,020.04,290.0
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
Beryllium263.800118.000
Chromium (total)94.38038.610
Copper407.600214.500
Cyanide (total)62.21025.740
Ammonia (as N)28,590.00012,570.000
Fluoride7,508.0004,269.000
Total suspended8,795.0004,183.000
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
Beryllium167.28074.800
Chromium (Total)59.84024.480
Copper258.400136.000
Cyanide (Total)39.44016.320
Ammonia (as N)18128.8007969.600
Fluoride4760.0002706.400
Total Suspended Solids5576.0002652.000
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
Beryllium324.000145.000
Chromium (total)116.00047.470
Copper501.000263.700
Cyanide (total)76.47031.640
Ammonia (as N)35,150.00015,450.000
Fluoride9,230.0005,248.000
Total suspended solids10,810.0005,142.000
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
Beryllium282.9126.5
Chromium (total)101.241.4
Copper437.0230.0
Cyanide (total)66.727.6
Ammonia (as N)30,660.013,480.0
Fluoride160,308.071,201.0
Total suspended solids9,430.04,485.0
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
Beryllium215.0096.14
Chromium (total)76.9131.46
Copper332.10174.80
Cyanide (total)50.6920.98
Ammonia (as N)23,300.0010,240.00
Fluoride6,118.003,479.00
Total suspended solids7,167.003,409.00
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
Beryllium0.0000.000
Chromium (total)0.0000.000
Copper0.0000.000
Cyanide (total)0.0000.000
Ammonia (as N)0.0000.000
Fluoride0.0000.000
Total suspended solids0.0000.000
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
Beryllium9.5334.263
Chromium (total)3.4101.395
Copper14.7307.750
Cyanide (total)2.2480.930
Ammonia (as N)1,033.000454.200
Fluoride271.300154.200
Total suspended solids317.800151.100
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
Beryllium0.0000.000
Chromium (total)0.0000.000
Copper0.0000.000
Cyanide (total)0.0000.000
Ammonia (as N)0.0000.000
Fluoride0.0000.000
Total suspended solids0.0000.000
pH11

1Within 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
Beryllium1.2830.574
Chromium (Total)0.4590.188
Copper1.9821.043
Cyanide (Total)0.3020.125
Ammonia (as N)139.03261.120
Fluoride36.50520.756
Total Suspended Solids42.76320.339
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
Beryllium3.2791.466
Chromium (Total)1.1730.480
Copper5.0642.665
Cyanide (Total)0.7730.320
Ammonia (as N)355.245156.169
Fluoride93.27553.034
Total Suspended Solids109.26551.968
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
Beryllium8.9834.017
Chromium (Total)3.2131.315
Copper13.8767.303
Cyanide (Total)2.1180.876
Ammonia (as N)973.490427.956
Fluoride255.605145.330
Total Suspended Solids299.423142.409
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
Beryllium575.640257.400
Chromium (Total)205.92084.240
Copper889.200468.000
Cyanide (Total)135.72056.160
Ammonia (as N)62384.40027424.800
Fluoride16380.0009313.200
Total Suspended Solids19188.0009126.000
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
Beryllium1.8590.831
Chromium (Total)0.6650.272
Copper2.8711.511
Cyanide (Total)0.4380.181
Ammonia (as N)201.41688.545
Fluoride52.88530.069
Total Suspended Solids61.95129.465
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
Beryllium0.1240.056
Chromium (Total)0.0440.018
Copper0.1920.101
Cyanide (Total)0.0290.012
Ammonia (as N)13.4635.919
Fluoride3.5352.010
Total Suspended Solids4.1411.970
pH(1)(1)

1 Within the range of 7.5 to 10.0 at all times.

40 C.F.R. §421.152

50 FR 38346, Sept. 20, 1985, as amended at 55 FR 31697, Aug. 3, 1990; 55 FR 36932, Sept. 7, 1990