Regulations last checked for updates: May 19, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
All TitlesTitle 40Chapter IPart 421Subpart O - Subpart O—Primary Beryllium Subcategory
View all text of Subpart O [§ 421.150 - § 421.157]
§ 421.154 - Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Solvent extraction raffinate from bertrandite ore.

NSPS for the Primary Beryllium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds million pounds) of beryllium carbonate produced from bertrandite ore as beryllium
Beryllium1,842.000831.000
Chromium (total)831.000336.900
Copper2,875.0001,370.000
Cyanide (total)449.200179.700
Ammonia (as N)299,400.000131,600.000
Fluoride78,610.00044,700.000
Total Suspended solids33,690.00026,950.000
pH( 1)( 1)

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

(b) Solvent extraction raffinate from beryl ore.

NSPS 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
Beryllium180.481.4
Chromium (total)81.433.0
Copper281.6134.2
Cyanide (total)44.017.6
Ammonia (as N)29,330.012,890.0
Fluoride7,700.04,378.0
Total Suspended solids3,300.02,640.0
pH( 1)( 1)

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

(c) Beryllium carbonate filtrate.

NSPS 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
Beryllium175.90079.370
Chromium (total)79.37032.180
Copper274.600130.800
Cyanide (total)42.90017.160
Ammonia (as N)28,590.00012,579.000
Fluoride7,508.0004,269.000
Total Suspended solids3,218.0002,574.000
pH( 1)( 1)

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

(d) Beryllium hydroxide filtrate.

NSPS 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
Beryllium111.52050.320
Chromium (Total)50.32020.400
Copper174.08082.960
Cyanide (Total)27.20010.880
Ammonia (as N)18128.8007969.600
Fluoride4760.0002706.400
Total Suspended Solids2040.0001632.000
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.

NSPS 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
Beryllium216.2097.57
Chromium (total)95.5739.56
Copper337.50160.90
Cyanide (total)52.7421.10
Ammonia (as N)35,150.0015,450.00
Fluoride9,230.005,248.00
Total suspended solids3,956.003,164.00
pH( 1)( 1)

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

(f) Beryllium hydroxide supernatant.

NSPS 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
Beryllium188.685.1
Chromium (total)85.134.5
Copper294.4140.3
Cyanide (total)46.018.4
Ammonia (as N)30,660.013,480.0
Fluoride160,308.071,201.0
Total Suspended solids3,450.02,760.0
pH( 1)( 1)

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

(g) Process water.

NSPS 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
Beryllium143.3064.68
Chromium (total)64.6826.22
Copper223.70106.60
Cyanide (total)34.9613.98
Ammonia (as N)23,300.0010,240.00
Fluoride6,118.003,479.00
Total suspended solids2,622.002,098.00
pH( 1)( 1)

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

(h) Fluoride furnace scrubber.

NSPS 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.

NSPS 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
Beryllium6.3552.868
Chromium (total)2.8681.163
Copper9.9204.728
Cyanide (total)1.5500.620
Ammonia (as N)1,033.000454.200
Fluoride271.300154.200
Total suspended solids116.30093.000
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.

NSPS 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.

(k) Beryl Ore Gangue Dewatering.

NSPS 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
Beryllium0.8550.386
Chromium (Total)0.3860.156
Copper1.3350.636
Cyanide (Total)0.2090.083
Ammonia (as N)139.03261.120
Fluoride36.50520.756
Total Suspended Solids15.64512.516
pH( 1)( 1)

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

(l) Bertrandite Ore Gangue Dewatering.

NSPS 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
Beryllium2.1850.986
Chromium (Total)0.9860.400
Copper3.4111.626
Cyanide (Total)0.5330.213
Ammonia (as N)355.245156.169
Fluoride93.27553.034
Total Suspended Solids39.97531.980
pH( 1)( 1)

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

(m) Beryl Ore Processing.

NSPS 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
Beryllium5.9882.702
Chromium (Total)2.7021.095
Copper9.3484.455
Cyanide (Total)1.4610.584
Ammonia (as N)973.490427.956
Fluoride255.605145.330
Total Suspended Solids109.54587.636
pH( 1)( 1)

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

(n) Aluminum Iron Sludge (AIS) Area Wastewater.

NSPS 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
Beryllium383.760173.160
Chromium (Total)173.16070.200
Copper599.040285.480
Cyanide (Total)93.60037.440
Ammonia (as N)62384.40027424.800
Fluoride16380.0009313.200
Total Suspended Solids7020.0005616.000
pH( 1)( 1)

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

(o) Bertrandite Ore Leaching Scrubber.

NSPS for the Primary Beryllium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg of bertrandite ore processed
Beryllium1.2390.559
Chromium (Total)0.5590.227
Copper1.9340.922
Cyanide (Total)0.3020.121
Ammonia (as N)201.41688.545
Fluoride52.88530.069
Total Suspended Solids22.66518.132
pH( 1)( 1)

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

(p) Bertrandite Ore Countercurrent and Decantation (CCD) Scrubber.

NSPS for the Primary Beryllium Subcategory

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg of bertrandite ore processed
Beryllium0.0830.037
Chromium (Total)0.0370.015
Copper0.1290.062
Cyanide (Total)0.0200.008
Ammonia (as N)13.4635.919
Fluoride3.5352.010
Total Suspended Solids1.5151.212
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 31699, Aug. 3, 1990]
authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) and the Water Quality Act of 1987 (the “Act”); 33 U.S.C. 1311,1314,c,e,and, 1316 (b) andc, 1317 (b) andc,1318; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4
source: 49 FR 8790, Mar. 8, 1984, unless otherwise noted.
cite as: 40 CFR 421.154
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