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

§ 467.52 Effluent limitations representing the degree of effluent reduction attainable by the application of 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 representing the degree of effluent reduction attainable by the application of the best practicable technology currently available:

Subpart E

Core

Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/per million off-lbs) of aluminum drawn with neat oils
Chromium0.0220.0090
Cyanide0.0150.0050
Zinc0.0730.031
Aluminum0.320.160
Oil and grease0.970.598
Suspended solids2.040.972
pH( 1)( 1)

1 Within the range of 7.0 to 10 at all times.

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