U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
Any new source subject to this subject must achieve the following new source performance standards (NSPS):
| Pollutant or pollutant property | NSPS limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| kg/kkg (or pounds per 1,000 lb) of product | ||
| BOD | 4.6 | 2.4 |
| COD | 26.6 | 17.1 |
| TSS | 8.6 | 3.8 |
| Sulfide | 0.08 | 0.04 |
| Phenols | 0.04 | 0.02 |
| Total chromium | 0.04 | 0.02 |
| pH | ( 1) | ( 1) |
1 Within the range 6.0 to 9.0 at all times.
