40 C.F.R. § 440.63

Current through September 30, 2024
Section 440.63 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT)

Except as provided in subpart L of this part and 40 CFR 125.30 through 125.32 , any existing point source subject to this subpart must achieve the following limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):

(a) The concentration of pollutants discharged in mine drainage from tungsten mines shall not exceed:

Effluent characteristicEffluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Milligrams per liter
Cd0.100.05
Cu0.300.15
Zn1.00.5

(b) The concentration of pollutants discharged from mills shall not exceed:

Effluent characteristicEffluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days
Milligrams per liter
Cd0.100.05
Cu0.30.15
Zn1.00.5

40 C.F.R. § 440.63