40 C.F.R. § 421.102
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 Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of tungstic acid (as W) produced | ||
| Lead | 17.230 | 8.205 |
| Zinc | 59.900 | 25.030 |
| Ammonia (as N) | 5,469.000 | 2,404.00 |
| Total suspended solids | 1,682.000 | 800.000 |
| pH | (1) | (1) |
1 Within the range of 7.0 to 10.0 at all times.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of tungstic acid (as W) produced | ||
| Lead | 15.040 | 7.162 |
| Zinc | 52.280 | 21.840 |
| Ammonia (as N) | 4,773.000 | 2,098.000 |
| Total suspended solids | 1,468.000 | 698.300 |
| pH | (1) | (1) |
1 Within the range of 7.0 to 10.0 at all times.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of sodium tungstate (as W) produced | ||
| Lead | 0.000 | 0.000 |
| Zinc | 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 7.0 to 10.0 at all times.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of sodium tungstate (as W) produced | ||
| Lead | 8.057 | 3.837 |
| Zinc | 28.011 | 11.700 |
| Ammonia (as N) | 2,557.000 | 1,124.000 |
| Total suspended solids | 786.200 | 374.100 |
| pH | (1) | (1) |
1 Within the range of 7.0 to 10.0 at all times.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of ammonium tungstate (as W) produced | ||
| Lead | 37.160 | 17.700 |
| Zinc | 129.200 | 53.970 |
| Ammonia (as N) | 11,790.000 | 5,185.000 |
| Total Suspended solids | 3,627.000 | 1,726.000 |
| pH | (1) | (1) |
1 Within the range of 7.0 to 10.0 at all times.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of ammonium tungstate (as W) produced | ||
| Lead | 37.160 | 17.700 |
| Zinc | 129.200 | 53.970 |
| Ammonia (as N) (2) | 11,790.000 | 5,185.000 |
| Total suspended solids | 3,627.000 | 1,726.000 |
| pH | (1) | (1) |
1 Within the range of 7.0 to 10.0 at all times.
2 The effluent limitation guideline for this pollutant does not apply if (a) the mother liquor feed to the ion exchange process or the raffinate from the ion exchange process contains sulfates at concentrations exceeding 1000 mg/l; (b) this mother liquor or raffinate is treated by ammonia steam stripping; and (c) such mother liquor or raffinate is not commingled with any other process or nonprocess waters prior to steam stripping for ammonia removal.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of calcium tungstate (as W) produced | ||
| Lead | 31.000 | 14.760 |
| Zinc | 107.800 | 45.020 |
| Ammonia (as N) | 9,838.000 | 4,325.000 |
| Total suspended solids | 3,026.000 | 1,439.000 |
| pH | (1) | (1) |
1 Within the range of 7.0 to 10.0 at all times.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of ammonium paratungstate (as W) produced | ||
| Lead | 0.000 | 0.000 |
| Zinc | 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 7.0 to 10.0 at all times.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of tungstic oxide (as W) produced | ||
| Lead | 11.600 | 5.523 |
| Zinc | 40.320 | 16.850 |
| Ammonia (as N) | 3,681.000 | 1,618.000 |
| Total suspended solids | 1,132.000 | 538.500 |
| pH | (1) | (1) |
1 Within the range of 7.0 to 10.0 at all times.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of tungstic oxide (as W) produced | ||
| Lead | 0.026 | 0.013 |
| Zinc | 0.092 | 0.038 |
| Ammonia (as N) | 8.398 | 3.692 |
| Total suspended solids | 2.583 | 1.229 |
| pH | (1) | (1) |
1 Within the range of 7.0 to 10.0 at all times.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of tungsten metal produced | ||
| Lead | 12.940 | 6.161 |
| Zinc | 44.970 | 18.790 |
| Ammonia (as N) | 4,106.000 | 1,805.000 |
| Total suspended solids | 1,263.000 | 600.700 |
| pH | (1) | (1) |
1 Within the range of 7.0 to 10.0 at all times.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of tungsten metal produced | ||
| Lead | .205 | .098 |
| Zinc | .714 | .298 |
| Ammonia (as N) | 65.190 | 28.660 |
| Total suspended solids | 20.050 | 9.536 |
| pH | (1) | (1) |
1 Within the range of 7.0 to 10.0 at all times.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of tungsten metal produced | ||
| Lead | 1.008 | 0.48 |
| Zinc | 3.504 | 1.464 |
| Ammonia (as N) | 319.900 | 140.700 |
| Total suspended solids | 98.400 | 46.800 |
| pH | (1) | (1) |
1 Within the range of 7.0 to 10.0 at all times.
BPT Effluent Limitations
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| mg/kg (pounds per million pounds) of tungsten metal produced | ||
| Lead | .000 | .000 |
| Zinc | .000 | .000 |
| Ammonia (as N) | .000 | .000 |
| Total suspended solids | .000 | .000 |
| pH | (1) | (1) |
1 Within the range of 7.0 to 10.0 at all times.
40 C.F.R. §421.102