40 CFR 424.62: Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

(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 practicable control technology currently available:

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)

TSS 6.778 3.389

Manganese 2.771 1.356

Ammonia-N 40.667 20.334

pH (1) (1)

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

TSS 6.778 3.389

Manganese 2.771 1.356

Ammonia-N 40.667 20.334

pH (1) (1)

1 Within the range 6.0 to 9.0.

(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 practicable control technology currently available:

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)

TSS 1.762 0.881

Manganese 0.705 .352

Ammonia-N 10.574 5.287

pH (1) (1)

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

TSS 1.762 .881

Manganese .705 .352

Ammonia-N 10.574 5.287

pH (1) (1)

1 Within the range 6.0 to 9.0.