§ 421.292 — 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 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 practicable technology currently available:

(a) Tin smelter SO2 scrubber.

BPT Limitations for the Secondary Tin Subcategory

(b) Dealuminizing rinse.

BPT Limitations for the Secondary Tin Subcategory

(c) Tin mud acid neutralization filtrate.

BPT Limitations for the Secondary Tin Subcategory

(d) Tin hydroxide wash.

BPT Limitations for the Secondary Tin Subcategory

(e) Spent electrowinning solution from new scrap.

BPT Limitations for the Secondary Tin Subcategory

(f) Spent electrowinning solution from municipal solid waste.

BPT Limitations for the Secondary Tin Subcategory

(g) Tin hydroxide supernatant from scrap.

BPT Limitations for the Secondary Tin Subcategory

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

BPT Limitations for the Secondary Tin Subcategory

(i) Tin hydroxide filtrate.

BPT Limitations for the Secondary Tin Subcategory