40 CFR § 440.142
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)
June 9, 2020
Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
(a) The concentration of pollutants discharged in process wastewater from an open-cut mine plant site shall not exceed:
Open Table
| Effluent limitations | |
|---|---|
| Effluent characteristics | Instantaneous maximum |
| Settleable solids | 0.2 ml/l |
(b) The concentration of pollutants discharged in process wastewater from a dredge plant site shall not exceed:
Open Table
| Effluent characteristics | Effluent limitations—Instantaneous maximum |
|---|---|
| Settleable solids | 0.2 ml/l |
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