U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
Any new source subject to this subpart must achieve the following new source performance standards (NSPS):
Subpart BO—Zinc Chloride
| Pollutant or pollutant property | NSPS effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Milligrams per liter (mg/l) | ||
| TSS | 28 | 17 |
| Arsenic (T) | 3.0 | 1.0. |
| Zinc (T) | 2.3 | 0.76 |
| Lead (T) | 0.18 | 0.048 |
| pH | ( 1) | ( 1) |
1 Within the range 6.0 to 10.0.
