New source performance standards (NSPS).

§ 471.103 New source performance standards (NSPS).

Any new source subject to this subpart must achieve the following new source performance standards (NSPS). The mass of pollutants in the metal powder process wastewater shall not exceed the following values:

(a) Metal powder production atom-ization wastewater.

Subpart J—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of powder wet atomized
Copper9.585.04
Cyanide1.460.605
Lead2.121.01
Oil and grease10160.5
TSS20798.3
pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(b) Sizing spent emulsions.

Subpart J—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of powder sized
Copper0.0280.015
Cyanide0.0040.002
Lead0.0060.003
Oil and grease0.2920.175
TSS0.5990.285
pH( 1)( 1)
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