Except as provided in §§ 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 control technology currently available (BPT):
Effluent characteristic | Effluent limitations | |
---|---|---|
Maximum for any 1 day | Average of daily values for 30 consecutive days shall not exceed - | |
Metric units (kg/cu m of runoff) | ||
Oil and grease | 0.020 | 0.015 |
pH | (1) | (1) |
English units (lb/1,000 gal of runoff) | ||
Oil and grease | 0.167 | 0.125 |
pH | (1) | (1) |
[40 FR 31191, July 24, 1975, as amended at 60 FR 33969, June 29, 1995]