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 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 ) 1 Within the range of 7.5 to 10.0 at all times. (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 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 ) 1 Within the range of 7.5 to 10.0 at all times. (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 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 ) 1 Within the range of 7.5 to 10.0 at all times. (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 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 ) 1 Within the range of 7.5 to 10.0 at all times. (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 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 ) 1 Within the range of 7.5 to 10.0 at all times. (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 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 ) 1 Within the range of 7.5 to 10.0 at all times. (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 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 ) 1 Within the range of 7.5 to 10.0 at all times. (h) Crystallization decant. NSPS for the Secondary Tungsten and Cobalt Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average 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 ) 1 Within the range of 7.5 to 10.0 at all times. (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 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 ) 1 Within the range of 7.5 to 10.0 at all times. (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 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 ) 1 Within the range of 7.5 to 10.0 at all times. (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 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 ) 1 Within the range of 7.5 to 10.0 at all times. [50 FR 38386, Sept. 20, 1985, as amended at 55 FR 31715, 31716, Aug. 3, 1990]