Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable: 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) TSS 0.023 0.015 Oil and grease 0.015 0.010 pH ( 1 ) ( 1 ) English units (lb/1,000 gal of runoff) TSS 0.188 0.125 Oil and grease 0.125 0.083 pH ( 1 ) ( 1 ) 1 Within the range 6.0 to 9.0.