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§ 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 | ||
Chromium | 0.0360 | 0.0147 |
Cyanide | 0.0237 | 0.0098 |
Zinc | 0.119 | 0.0498 |
Aluminum | 0.525 | 0.257 |
Oil and grease | 1.634 | 0.980 |
Suspended solids | 3.348 | 1.593 |
pH | ( 1) | ( 1) |