40 C.F.R. § 425.21
Current through October 31, 2024
Except as provided in 40 CFR 125.30 through 125.32 , any existing point source subject to this subpart must 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 pound per 1,000 lb) of raw material | ||
| BOD5 | 8.2 | 3.7 |
| TSS | 11.8 | 5.4 |
| Oil and grease | 3.4 | 1.5 |
| Total chromium | 0.21 | 0.08 |
| pH | (1) | (1) |
1 Within the range 6.0 to 9.0.
40 C.F.R. § 425.21