U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best practicable control technology currently available:
[Metric units (kg/kkg of product); English units (lb/1,000 lb of product)]
| Effluent characteristic | Effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days shall not exceed— | |
| TSS | 0.50 | 0.25 |
| Total phosphorus (as P) | .80 | .40 |
| Fluoride (as F) | .30 | .15 |
| pH | ( 1) | ( 1) |
1 Within the range 6.0 to 9.5.
