Title 40
SECTION 434.42
434.42 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§ 434.42 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).Except as provided in 40 CFR 125.30-125.32, 40 CFR 401.17, and §§ 434.61 and 434.63 of this part, the following limitations establish the concentration or quality of pollutants 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:
BPT Effluent Limitations
Pollutant or pollutant property | Maximum for any 1 day | Average of daily values for 30 consecutive days |
---|---|---|
Concentration in mg/l | ||
Iron, total | 7.0 | 3.5 |
TSS | 70. | 35. |
pH | ( 1) | ( 1) |
1 Within the range 6.0 to 9.0 at all times.