40 CFR § 421.22
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
June 9, 2020
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable technology currently available (BPT):
Open Table
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| Metric units—kg/kkg of product | ||
| English units—lbs/thousand lbs of product | ||
| Fluoride | 2.0 | 1.0 |
| Total Suspended solids | 3.0 | 1.5 |
| pH | (1) | (1) |
1Within the range of 6 to 9 at all times.
[49 FR 8792, Mar. 8, 1984; 49 FR 29794, July 24, 1984]
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