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. These limitations are applicable to the abrasive polishing and acid polishing waste water streams. Effluent characteristic Effluent limitations Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed— Metric units (g/kkg of furnace pull) Fluoride 120.0 60.0 Lead 0.9 0.45 English units (lb/1,000 lb of furnace pull) Fluoride 0.12 0.06 Lead 0.0009 0.00045 [44 FR 50747, Aug. 29, 1979]