40 CFR 471.72: Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

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 available technology economically achievable (BAT):

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

(b) Extrusion tool contact cooling water.

Subpart G—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium extruded

Cadmium 0.007 0.003

Chromium 0.013 0.005

Copper 0.044 0.021

Lead 0.010 0.005

Nickel 0.019 0.013

Fluoride 2.05 0.908

Molybdenum 0.173 0.077

(c) Heat treatment contact cooling water.

Subpart G—BAT

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

Cadmium 0.006 0.003

Chromium 0.012 0.005

Copper 0.040 0.019

Lead 0.009 0.004

Nickel 0.017 0.012

Fluoride 1.86 0.827

Molybdenum 0.158 0.070

(d) Forging spent lubricants—subpart G—BAT. There shall be no discharge of process wastewater pollutants.

(e) Surface treatment spent baths.

Subpart G—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium surface treated

Cadmium 0.006 0.002

Chromium 0.010 0.004

Copper 0.035 0.017

Lead 0.008 0.004

Nickel 0.015 0.010

Fluoride 1.62 0.718

Molybdenum 0.137 0.061

(f) Surface treatment rinse.

Subpart G—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium surface treated

Cadmium 0.068 0.027

Chromium 0.125 0.051

Copper 0.432 0.260

Lead 0.095 0.044

Nickel 0.186 0.125

Fluoride 20.1 8.90

Molybdenum 1.70 0.752

(g) Wet air pollution control scrubber blowdown.

Subpart G—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium surface treated

Cadmium 0.0007 0.0003

Chromium 0.001 0.0005

Copper 0.005 0.002

Lead 0.001 0.0005

Nickel 0.002 0.001

Fluoride 0.208 0.092

Molybdenum 0.018 0.008

(h) Sawing or grinding spent emulsions.

Subpart G—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium sawed or ground with emulsions

Cadmium 0.001 0.0005

Chromium 0.002 0.0009

Copper 0.007 0.004

Lead 0.002 0.001

Nickel 0.003 0.002

Fluoride 0.338 0.150

Molybdenum 0.029 0.013

(i) Sawing or grinding contact cooling water.

Subpart G—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium sawed or ground with contact cooling water

Cadmium 0.033 0.013

Chromium 0.061 0.025

Copper 0.211 0.101

Lead 0.046 0.022

Nickel 0.091 0.061

Fluoride 9.82 4.36

Molybdenum 0.830 0.368

(j) Sawing or grinding rinse.

Subpart G—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of sawed or ground uranium rinse

Cadmium 0.001 0.0004

Chromium 0.002 0.0007

Copper 0.006 0.003

Lead 0.002 0.0006

Nickel 0.003 0.002

Fluoride 0.277 0.123

Molybdenum 0.024 0.011

(k) Area cleaning rinse.

Subpart G—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium formed

Cadmium 0.009 0.004

Chromium 0.016 0.007

Copper 0.055 0.026

Lead 0.012 0.006

Nickel 0.024 0.016

Fluoride 2.56 1.14

Molybdenum 0.216 0.096

(l) Drum, washwater.

Subpart G—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/off-kg (pounds per million off-pounds) of uranium formed

Cadmium 0.009 0.004

Chromium 0.017 0.007

Copper 0.057 0.027

Lead 0.013 0.006

Nickel 0.025 0.017

Fluoride 2.64 1.17

Molybdenum 0.223 0.099

(m) Laundry washwater.

Subpart G—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/employee—day

Cadmium 5.24 2.10

Chromium 9.70 3.93

Copper 33.6 16.0

Lead 7.34 3.41

Nickel 14.4 9.70

Fluoride 1.560 692

Molybdenum 132 58.4

(n) Degreasing spent solvents—subpart G—BAT. There shall be no discharge of process wastewater pollutants.