Wis. Admin. Code Department of Natural Resources NR 273.072

Current through October 28, 2024
Section NR 273.072 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available

Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT:

Table 7-1

Uranium

Extrusion Tool Contact Cooling Water

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Cadmium

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

Total suspended solids

14.1

6.71

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times

Table 7-2

Uranium

Heat Treatment Contact Cooling Water

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/off-kg (pounds per million off-pounds) of extruded or forged uranium heat treated

Cadmium

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

Total suspended solids

77.9

37.1

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times

Table 7-3

Uranium

Surface Treatment Spent Baths

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Total suspended solids

1.12

0.531

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times

Table 7-4

Uranium

Surface Treatment Rinse

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Total suspended solids

13.8

6.57

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times

Table 7-5

Uranium

Wet Air Pollution Control Scrubber Blowdown

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Cadmium

0.0012

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

Total suspended solids

0.143

0.068

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times

Table 7-6

Uranium

Sawing or Grinding Spent Emulsions

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Total suspended solids

0.233

0.111

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times

Table 7-7

Uranium

Sawing or Grinding Contact Cooling Water

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

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

Total suspended solids

67.7

32.2

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times

Table 7-8

Uranium

Sawing or Grinding Rinse

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

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

Total suspended solids

0.191

0.091

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times

Table 7-9

Uranium

Area Cleaning Rinse

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Total suspended solids

1.76

0.837

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times

Table 7-10

Uranium

Drum Washwater

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

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

Total suspended solids

1.82

0.864

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times

Table 7-11

Uranium

Laundry Washwater

BPT Effluent Limitations

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/employe-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

Total suspended solids

2,150

1,020

pH

(1)

(1)

(1) Within the range of 7.5 to 10.0 at all times

Wis. Admin. Code Department of Natural Resources NR 273.072

Cr. Register, September, 1990, No. 417, eff. 10-1-90.