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

§ 471.71 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

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 process operations representing the degree of effluent reduction attainable by the application of the best praticable control technology currently available (BPT):

(a) Extrusion spent lubricants—subpart G—BPT. There shall be no discharge process wastewater pollutants.

(b) Extrusion tool contact cooling water.

Subpart G—BPT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of uranium extruded
Cadium0.1170.052
Chromium0.1520.062
Copper0.6540.344
Lead0.1450.069
Nickel0.6610.437
Fluoride20.59.08
Molybdenum2.281.18
Oil and grease6.884.13
TSS14.16.71
pH( 1)( 1)

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

(c) Heat treatment contact cooling water.

Subpart G—BPT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of extruded or forged uranium heat treated
Cadium0.6460.285
Chromium0.8360.342
Copper3.611.90
Lead0.7980.380
Nickel3.652.42
Fluoride11350.2
Molybdenum12.66.5
Oil and grease3822.8
TSS77.937.1
pH( 1)( 1)
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