Wis. Admin. Code Department of Natural Resources NR 274.022
Current through November 25, 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 2-1
Primary Aluminum Smelting
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | kg/kkg (pounds per 1,000 pounds) of hot aluminum metal | |
Fluoride | 2.0 | 1.0 |
Total suspended solids | 3.0 | 1.5 |
pH | (1) | (1) |
(1) Within the range of 6.0 to 9.0.
Wis. Admin. Code Department of Natural Resources NR 274.022