Except as provided in 40 CFR 125.30- 125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
Pollutant or pollutant property | BPT limitations | |
Maximum for any 1 day | Maximum for monthly average | |
Kg/kkg (or pounds per 1000 lb) of raw material | ||
BOD5 | 7.0 | 3.2 |
TSS | 10.1 | 4.6 |
Oil and grease | 3.0 | 1.3 |
Total chromium | 0.18 | 0.07 |
pH | (1) | (1) |
1Within the range 6.0 to 9.0.
Wis. Admin. Code Department of Natural Resources NR 252.81