New source performance standards.

§ 467.44 New source performance standards.

Any new source subject to this subpart must achieve the following performance standards. The discharge of wastewater pollutants from the core shall not exceed the values set forth below:

Subpart D

Core

Pollutant or pollutant property NSPS
Maximum for any 1 day Maximum for monthly average
mg/off-kg (lb/million off-lbs) of aluminum forged
Chromium0.0190.008
Cyanide0.0100.004
Zinc0.0510.021
Aluminum0.3050.135
Oil and grease0.500.50
Suspended solids0.750.60
pH( 1)( 1)

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

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