Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

§ 467.12 Effluent limitations 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 must achieve the following effluent limitations for the core operation and for the ancillary operations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available:

Subpart A

Core With an Annealing Furnace Scrubber

Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum rolled with neat oils
Chromium0.03600.0147
Cyanide0.02370.0098
Zinc0.1190.0498
Aluminum0.5250.257
Oil and grease1.6340.980
Suspended solids3.3481.593
pH( 1)( 1)
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