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:
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced | ||
Chromium (total) | 0.250 | 0.102 |
Cyanide (total) | 0.165 | 0.068 |
Lead | 0.239 | 0.114 |
Nickel | 1.091 | 0.721 |
Ammonia (as N) | 75.710 | 33.280 |
Total suspended solids | 23.290 | 11.080 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zironium dioxide and hafnium dioxide produced | ||
Chromium (total) | 19.130 | 7.825 |
Cyanide (total) | 12.610 | 5.216 |
Lead | 18.260 | 8.694 |
Nickel | 83.460 | 55.210 |
Ammonia (as N) | 5,795.000 | 2,547.000 |
Total suspended solids | 1,782.000 | 847.700 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced | ||
Chromium (total) | 3.751 | 1.534 |
Cyanide (total) | 2.472 | 1.023 |
Lead | 3.580 | 1.705 |
Nickel | 16.370 | 10.830 |
Ammonia (as N) | 1,136.000 | 449.500 |
Total suspended solids | 349.500 | 166.200 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced | ||
Chromium (total) | 3.299 | 1.350 |
Cyanide (total) | 2.174 | 0.900 |
Lead | 3.149 | 1.500 |
Nickel | 14.400 | 9.522 |
Ammonia (as N) | 999.500 | 439.400 |
Total suspended solids | 307.400 | 146.200 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced | ||
Chromium (total) | 2.501 | 1.023 |
Cyanide (total) | 1.648 | 0.682 |
Lead | 2.387 | 1.137 |
Nickel | 10.910 | 7.217 |
Ammonia (as N) | 757.500 | 333.000 |
Total suspended solids | 233.000 | 110.800 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced | ||
Chromium (total) | 0.987 | 0.404 |
Cyanide (total) | 0.651 | 0.269 |
Lead | 0.942 | 0.449 |
Nickel | 4.308 | 2.850 |
Ammonia (as N) | 299.100 | 131.500 |
Total suspended solids | 92.000 | 43.760 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced | ||
Chromium (total) | 17.070 | 6.982 |
Cyanide (total) | 11.250 | 4.655 |
Lead | 16.290 | 7.758 |
Nickel | 74.480 | 49.260 |
Ammonia (as N) | 5,171.000 | 2,273.000 |
Total suspended solids | 1,590.000 | 756.400 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced | ||
Chromium (total) | 0.000 | 0.000 |
Cyanide (total) | 0.000 | 0.000 |
Lead | 0.000 | 0.000 |
Nickel | 0.000 | 0.000 |
Ammonia (as N) | 0.000 | 0.000 |
Total suspended solids | 0.000 | 0.000 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium dioxide and hafnium dioxide produced | ||
Chromium (total) | 3.959 | 1.619 |
Cyanide (total) | 2.609 | 1.080 |
Lead | 3.779 | 1.799 |
Nickel | 17.270 | 11.430 |
Ammonia (as N) | 1,199.000 | 527.200 |
Total suspended solids | 368.900 | 175.400 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium and hafnium produced | ||
Chromium (total) | 16.860 | 6.897 |
Cyanide (total) | 11.110 | 4.598 |
Lead | 16.090 | 7.663 |
Nickel | 73.570 | 48.660 |
Ammonia (as N) | 5,108.000 | 2,245.000 |
Total suspended solids | 1,571.000 | 747.200 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium and hafnium produced | ||
Chromium (total) | 1.622 | 0.663 |
Cyanide (total) | 1.069 | 0.442 |
Lead | 1.548 | 0.737 |
Nickel | 7.077 | 4.681 |
Ammonia (as N) | 491.300 | 216.000 |
Total suspended solids | 151.100 | 71.880 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium and hafnium produced | ||
Chromium (total) | 9.123 | 3.732 |
Cyanide (total) | 6.013 | 2.488 |
Lead | 8.708 | 4.147 |
Nickel | 39.810 | 26.330 |
Ammonia (as N) | 2,764.000 | 1,215.000 |
Total suspended solids | 850.100 | 404.300 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium and hafnium produced | ||
Chromium (total) | 5.068 | 2.073 |
Cyanide (total) | 3.340 | 1.382 |
Lead | 4.838 | 2.304 |
Nickel | 22.110 | 14.630 |
Ammonia (as N) | 1,535.000 | 675.000 |
Total suspended solids | 472.200 | 224.600 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0..
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium and hafnium produced | ||
Chromium (total) | 0.000 | 0.000 |
Cyanide (total) | 0.000 | 0.000 |
Lead | 0.000 | 0.000 |
Nickel | 0.000 | 0.000 |
Ammonia (as N) | 0.000 | 0.000 |
Total suspended solids | 0.000 | 0.000 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of pure zirconium produced | ||
Chromium (total) | 12.970 | 5.304 |
Cyanide (total- | 8.545 | 3.536 |
Lead | 12.380 | 5.893 |
Nickel | 56.570 | 37.420 |
Ammonia (as N) | 3,928.000 | 1,727.000 |
Total suspended solids | 1,208.000 | 574.600 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium contained in alloys produced | ||
Chromium (total) | 6.939 | 2.839 |
Cyanide (total) | 4.574 | 1.893 |
Lead | 6.624 | 3.154 |
Nickel | 30.280 | 20.030 |
Ammonia (as N) | 2,102.000 | 924.200 |
Total suspended solids | 646.600 | 307.600 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium produced | ||
Chromium (total) | 25.930 | 10.610 |
Cyanide (total) | 17.090 | 7.072 |
Lead | 24.750 | 11.790 |
Nickel | 113.200 | 74.840 |
Ammonia (as N) | 7,856.000 | 3,453.000 |
Total suspended solids | 2,416.000 | 1,149.000 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0.
BPT Limitations for the Primary Zirconium and Hafnium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
mg/kg (pounds per million pounds) of zirconium in alloys produced | ||
Chromium (total) | 0.347 | 0.142 |
Cyanide (total) | 0.229 | 0.095 |
Lead | 0.331 | 0.158 |
Nickel | 1.515 | 1.002 |
Ammonia (as N) | 105.200 | 46.240 |
Total suspended solids | 32.350 | 15.390 |
pH | (1) | (1) |
1 Within the range of 7.5 to 10.0 at all times.
40 C.F.R. §421.332