40 C.F.R. § 424.63
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
Cite as 40 C.F.R. § 424.63 (2026)
(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 [44 FR 50745, Aug. 29, 1979]