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 characteristicEffluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days shall not exceed—
Metric units (kg/cu m of runoff)
TSS0.0230.015
Oil and grease0.0150.010
pH(1)(1)
English units (lb/1,000 gal of runoff)
TSS0.1880.125
Oil and grease0.1250.083
pH(1)(1)

1 Within the range 6.0 to 9.0.