40 CFR 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

Cadium 0.117 0.052

Chromium 0.152 0.062

Copper 0.654 0.344

Lead 0.145 0.069

Nickel 0.661 0.437

Fluoride 20.5 9.08

Molybdenum 2.28 1.18

Oil and grease 6.88 4.13

TSS 14.1 6.71

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

Cadium 0.646 0.285

Chromium 0.836 0.342

Copper 3.61 1.90

Lead 0.798 0.380

Nickel 3.65 2.42

Fluoride 113 50.2

Molybdenum 12.6 6.5

Oil and grease 38 22.8

TSS 77.9 37.1

pH (1) (1)

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

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

(e) Surface treatment spent baths.

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 surface treated

Cadmium 0.010 0.004

Chromium 0.012 0.005

Copper 0.052 0.027

Lead 0.012 0.006

Nickel 0.052 0.035

Fluoride 1.62 0.718

Molybdenum 0.180 0.093

Oil and grease 0.544 0.327

TSS 1.12 0.531

pH (1) (1)

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

(f) Surface treatment rinse.

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 surface treated

Cadmium 0.115 0.050

Chromium 0.149 0.061

Copper 0.641 0.337

Lead 0.142 0.068

Nickel 0.647 0.428

Fluoride 20.1 8.90

Molybdenum 2.23 1.16

Oil and grease 6.74 4.05

TSS 13.8 6.57

pH (1) (1)

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

(g) Wet air pollution control scrubber blowdown.

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 surface treated

Cadmium 0.00 0.0006

Chromium 0.002 0.0007

Copper 0.007 0.004

Lead 0.002 0.0007

Nickel 0.007 0.005

Fluoride 0.208 0.092

Molybdenum 0.023 0.012

Oil and grease 0.070 0.042

TSS 0.143 0.068

pH (1) (1)

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

(h) Sawing or grinding spent emulsions.

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 sawed or ground with emulsions

Cadmium 0.002 0.0009

Chromium 0.003 0.001

Copper 0.011 0.006

Lead 0.003 0.001

Nickel 0.011 0.007

Fluoride 0.338 0.150

Molybdenum 0.038 0.020

Oil and grease 0.114 0.068

TSS 0.233 0.111

pH (1) (1)

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

(i) Sawing or grinding 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 sawed or ground with contact cooling ater

Cadmium 0.561 0.248

Chromium 0.726 0.297

Copper 3.14 1.65

Lead 0.693 0.330

Nickel 3.17 2.1

Fluoride 98.2 43.6

Molybdenum 10.9 5.65

Oil and grease 33.0 19.8

TSS 67.7 32.2

pH (1) (1)

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

(j) Sawing or grinding rinse.

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 sawed or ground uranium rinses

Cadmium 0.002 0.0007

Chromium 0.002 0.0009

Copper 0.009 0.005

Lead 0.002 0.001

Nickel 0.009 0.006

Fluoride 0.277 0.123

Molybdenum 0.031 0.016

Oil and grease 0.093 0.056

TSS 0.191 0.091

pH (1) (1)

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

(k) Area cleaning rinse.

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 formed

Cadmium 0.015 0.007

Chromium 0.019 0.008

Copper 0.082 0.043

Lead 0.018 0.009

Nickel 0.083 0.055

Fluoride 2.56 1.14

Molybdenum 0.284 0.147

Oil and grease 0.858 0.515

TSS 1.76 0.837

pH (1) (1)

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

(l) Drum washwater.

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 formed

Cadmium 0.015 0.007

Chromium 0.020 0.008

Copper 0.084 0.045

Lead 0.019 0.009

Nickel 0.085 0.057

Fluoride 2.64 1.17

Molybdenum 0.293 0.152

Oil and grease 0.886 0.532

TSS 1.82 0.864

pH (1) (1)

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

(m) Laundry washwater.

Subpart G—BPT

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

mg/employee—day

Cadmium 17.8 7.86

Chromium 23.1 9.43

Copper 99.6 52.4

Lead 22.0 10.5

Nickel 101 66.6

Fluoride 3,120 1,390

Molybdenum 347 179

Oil and grease 1,050 629

TSS 2,150 1,020

pH (1) (1)

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

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