40 CFR 424.63: Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

(a) 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 producing electrolytic manganese 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/kkg of product)

Manganese 0.678 0.339

Ammonia-N 6.778 3.389

English units (lb/1,000 lb of product)

Manganese 0.678 0.339

Ammonia-N 6.778 3.389

(b) 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 producing electrolytic manganese dioxide 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/kkg of product)

Manganese 0.176 0.088

Ammonia-N 1.762 .881

English units (lb/1,000 lb of product)

Manganese 0.176 0.088

Ammonia-N 1.762 .881