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§ 421.102 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
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:
(a) Subpart J—Tungstic Acid Rinse.
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.
(b) Subpart J—Acid Leach Wet Air Pollution Control.
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.
(c) Subpart J—Alkali Leach Wash.
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) |