Except as provided in 40 CFR 403.7 , any existing source subject to this subpart which introduces polutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. The mass of wastewater pollutants in secondary tungsten and cobalt process wastewater introduced into a POTW shall not exceed the following values:
PSES 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 |
PSES 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 |
PSES 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 |
Cobalt | 14.194 | 6.223 |
Tungsten | 17.900 | 7.972 |
PSES 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 |
PSES 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 | ||
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 |
PSES 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 |
PSES 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 | 45.800 | 21.830 |
Nickel | 19.680 | 13.240 |
Ammonia (as N) | 4,770.000 | 2,097.000 |
Cobalt | 98.756 | 43.295 |
Tungsten | 124.500 | 55.460 |
PSES 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 | 144.9 | 64.56 |
PSES 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 | 66.34 | 29.55 |
PSES 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 | 197.1 | 87.8 |
PSES 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 |
40 C.F.R. §421.315