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/Mwh) Chromium total 0.0008 0.0004 Chromium VI .00008 .00004 Manganese total .008 .0039 English units (lb/Mwh) Chromium total .0017 .0009 Chromium VI .0002 .0001 Manganese total .017 .0086 [44 FR 50744, Aug. 29, 1979]