40 CFR §421.113
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Except as provided in 40 CFR 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 available technology economically achievable:
- (a)Subpart K—Concentrate Digestion Wet Air Pollution Control.
- (b)Subpart K—Solvent Extraction Raffinate.
- (c)Subpart K—Solvent Extraction Wet Air Pollution Control.
- (d)Subpart K—Precipitation and Filtration.
- (e)Subpart K—Precipitation and Filtration Wet Air Pollution Control.
- (f)Subpart K—Tantalum Salt Drying.
- (g)Subpart K—Oxides Calcining Wet Air Pollution Control.
- (h)Subpart K—Reduction of Tantalum Salt to Metal.
- (i)Subpart K—Reduction of Tantalum Salt to Metal Wet Air Pollution Control.
- (j)Subpart K—Tantalum Powder Wash.
- (k)Subpart K—Consolidation and Casting Contact Cooling.