§ 421.293 — Effluent Limitations Guidelines Representing The Degree Of Effluent Reduction Attainable By The Application Of The Best Available Technology Economically Achievable

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) Tin smelter SO2 scrubber.

BAT Limitations for the Secondary Tin Subcategory

(b) Dealuminizing rinse.

BAT Limitations for the Secondary Tin Subcategory

(c) Tin mud acid neutralization filtrate.

BAT Limitations for the Secondary Tin Subcategory

(d) Tin hydroxide wash.

BAT Limitations for the Secondary Tin Subcategory

(e) Spent electrowinning solution from new scrap.

BAT Limitations for the Secondary Tin Subcategory

(f) Spent electrowinning solution from municipal solid waste.

BAT Limitations for the Secondary Tin Subcategory

(g) Tin hydroxide supernatant from scrap.

BAT Limitations for the Secondary Tin Subcategory

(h) Tin hydroxide supernatant from plating solutions and sludges.

BAT Limitations for the Secondary Tin Subcategory

(i) Tin hydroxide filtrate.

BAT Limitations for the Secondary Tin Subcategory