Wis. Admin. Code Department of Natural Resources NR 274.092
Current through October 28, 2024
Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT:
Table 9-1
Metallurgical Acid Plants
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of 100% sulfuric acid capacity | |
Cadmium | 0.180 | 0.090 |
Copper | 5.000 | 2.000 |
Lead | 1.800 | 0.790 |
Zinc | 3.600 | 0.900 |
Fluoride (1) | 212.800 | 121.000 |
Molybdenum (1) | 40.180 | 20.790 |
Total suspended solids | 304.000 | 152.000 |
pH | (2) | (2) |
(1) For molybdenum acid plants only
(2) Within the range of 6.0 to 9.0 at all times.
Wis. Admin. Code Department of Natural Resources NR 274.092