U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
Any new source subject to this subpart must achieve the following new source performance standards (NSPS):
Simple Manufacturing Operations
| Pollutant or pollutant property | NSPS | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (or pounds per 1,000 lb) of product | ||
| BOD | 3.6 | 1.9 |
| COD | 48.1 | 31.0 |
| TSS | 13.2 | 5.9 |
| Sulfide | 0.20 | 0.10 |
| Phenols | 0.10 | 0.05 |
| Total chromium | 0.10 | 0.05 |
| pH | ( 1) | ( 1) |
1 Within the range 6.0 to 9.0 at all times.
Complex Manufacturing Operations
| Pollutant or pollutant property | NSPS | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (or pounds per 1,000 lb) of product | ||
| BOD | 4.8 | 2.5 |
| COD | 51.0 | 32.9 |
| TSS | 12.2 | 5.4 |
| Sulfide | 0.20 | 0.10 |
| Phenols | 0.10 | 0.05 |
| Total Chromium | 0.10 | 0.05 |
| pH | ( 1−) | ( 1−) |
1 Within the range 6.0 to 9.0 at all times.
Hosiery Products
| Pollutant or pollutant property | NSPS | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (or pounds per 1,000 lb) of product | ||
| BOD | 2.3 | 1.2 |
| COD | 30.7 | 19.8 |
| TSS | 8.4 | 3.7 |
| Sulfide | 0.20 | 0.10 |
| Phenols | 0.10 | 0.05 |
| Total Chromium | 0.10 | 0.05 |
| pH | ( 1−) | ( 1−) |
1 Within the range 6.0 to 9.0 at all times.
