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 limitations
---------------------------
Average of
Effluent characteristic daily values
Maximum for for 30
any 1 day consecutive
days------------------------------------------------------------------------
Milligrams per liter
---------------------------Cd.......................................... 0.10 0.05Cu.......................................... 0.30 0.15Zn.......................................... 1.0 0.5------------------------------------------------------------------------
(b) The concentration of pollutants discharged from mills shall not exceed: ------------------------------------------------------------------------
Effluent limitations
---------------------------
Average of
Effluent characteristic daily values
Maximum for for 30
any 1 day consecutive
days------------------------------------------------------------------------
Milligrams per liter
---------------------------Cd.......................................... 0.10 0.05Cu.......................................... 0.3 0.15Zn.......................................... 1.0 0.5------------------------------------------------------------------------