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.