40 CFR 421.314 - Standards of performance for new sources.

§ 421.314 Standards of performance for new sources.
Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Tungsten detergent wash and rinse.
NSPS for the Secondary Tungsten and Cobalt 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 tungsten scrap washed
Copper 0.250 0.119
Nickel 0.107 0.072
Ammonia (as N) 25.990 11.430
Cobalt 0.538 0.236
Tungsten 0.679 0.302
Oil and grease 1.950 1.950
Total suspended solids 2.925 2.340
pH (1) (1)
(b) Tungsten leaching acid.
NSPS for the Secondary Tungsten and Cobalt 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 tungsten produced
Copper 3.291 1.569
Nickel 1.414 0.951
Ammonia (as N) 342.700 150.700
Cobalt 7.096 3.111
Tungsten 8.947 3.985
Oil and grease 25.710 25.710
Total suspended solids 38.570 30.850
pH (1) (1)
(c) Tungsten post-leaching wash and rinse.
NSPS for the Secondary Tungsten and Cobalt 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 tungsten produced
Copper 6.583 3.137
Nickel 2.829 1.903
Ammonia (as N) 685.600 301.400
Tungsten 17.900 7.972
Cobalt 14.194 6.223
Oil and grease 51.430 51.430
Total suspended solids 77.150 61.720
pH (1) (1)
(d) Synthetic scheelite filtrate.
NSPS for the Secondary Tungsten and Cobalt 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 synthetic scheelite produced
Copper 21.330 10.170
Nickel 9.164 6.165
Ammonia (as N) 2,221.000 976.300
Cobalt 45.984 20.160
Tungsten 57.980 25.820
Oil and grease 166.600 166.600
Total suspended solids 249.900 199.900
pH (1) (1)
(e) Tungsten carbide leaching wet air pollution control.
NSPS for the Secondary Tungsten and Cobalt 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 tungsten carbide scrap leached
Copper 2.241 1.068
Nickel 0.963 0.648
Ammonia (as N) 233.400 102.600
Cobalt 4.833 2.119
Tungsten 6.093 2.714
Oil and grease 17.510 17.510
Total suspended solids 26.270 21.010
pH (1) (1)
(f) Tungsten carbide wash water.
NSPS for the Secondary Tungsten and Cobalt 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 tungsten carbide produced
Copper 10.670 5.083
Nickel 4.583 3.083
Ammonia (as N) 1,111.000 488.300
Cobalt 22.999 10.083
Tungsten 29.000 12.920
Oil and grease 83.330 83.330
Total suspended solids 125.000 100.000
pH (1) (1)
(g) Cobalt sludge leaching wet air pollution control.
NSPS for the Secondary Tungsten and Cobalt 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 cobalt produced from cobalt sludge
Copper 45.80 21.83
Nickel 19.68 13.24
Ammonia (as N) 4,770.00 2,097.00
Cobalt 98.756 43.295
Tungsten 124.50 55.46
Oil and grease 357.80 357.80
Total suspended solids 536.70 429.40
pH (1) (1)
(h) Crystallization decant.
NSPS for the Secondary Tungsten and Cobalt 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 cobalt produced
Copper 53.310 25.410
Nickel 22.910 15.410
Ammonia (as N) 5,552.000 2,441.000
Cobalt 114.954 50.397
Tungsten 144.900 64.560
Oil and grease 416.500 416.500
Total suspended solids 624.800 499.800
pH (1) (1)
(i) Acid wash decant.
NSPS for the Secondary Tungsten and Cobalt 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 cobalt produced
Copper 24.400 11.630
Nickel 10.490 7.053
Ammonia (as N) 2,541.000 1,117.000
Cobalt 52.611 23.065
Tungsten 66.340 29.550
Oil and grease 190.600 190.600
Total suspended solids 285.900 228.700
pH (1) (1)
(j) Cobalt hydroxide filtrate.
NSPS for the Secondary Tungsten and Cobalt 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 cobalt produced
Copper 72.510 34.560
Nickel 31.160 20.960
Ammonia (as N) 7,551.000 3,320.000
Cobalt 156.346 68.543
Tungsten 197.100 87.800
Oil and grease 566.500 566.500
Total suspended solids 849.700 679.800
pH (1) (1)
(k) Cobalt hydroxide filter cake wash.
NSPS for the Secondary Tungsten and Cobalt 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 cobalt produced
Copper 139.600 66.510
Nickel 59.970 40.340
Ammonia (as N) 14,530.000 6,389.000
Cobalt 300.094 131.932
Tungsten 379.400 169.000
Oil and grease 1,090.000 1,090.000
Total suspended solids 1,636,000 1,308.000
pH (1) (1)
[50 FR 38386, Sept. 20, 1985, as amended at 55 FR 31715, 31716, Aug. 3, 1990]

Title 40 published on 2014-07-01

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