Wis. Admin. Code Department of Natural Resources NR 273.062

Current through October 28, 2024
Section NR 273.062 - 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 6-1

Titanium

Rolling 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 titanium rolled with contact cooling water

Cyanide

1.4

0.586

Lead

2.05

0.976

Zinc

7.13

2.98

Ammonia

651

286

Fluoride

291

129

Oil and grease

97.0

58.0

Total suspended solids

200.0

95.0

pH

(1)

(1)

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

Table 6-2

Titanium

Extrusion 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 titanium extruded

Cyanide

0.021

0.009

Lead

0.030

0.015

Zinc

0.105

0.044

Ammonia

9.59

4.22

Fluoride

4.28

1.9

Oil and grease

1.44

0.863

Total suspended solids

2.95

1.4

pH

(1)

(1)

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

Table 6-3

Titanium

Extrusion Press Hydraulic Fuel Leakage

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 titanium extruded

Cyanide

0.052

0.022

Lead

0.075

0.036

Zinc

0.260

0.109

Ammonia

23.7

10.5

Fluoride

10.6

4.70

Oil and grease

3.56

2.14

Total suspended solids

7.30

3.47

pH

(1)

(1)

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

Table 6-4

Titanium

Forging 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 forged titanium cooled with water

Cyanide

0.580

0.240

Lead

0.840

0.400

Zinc

2.92

1.22

Ammonia

267

117

Fluoride

119

52.8

Oil and grease

40.0

24.0

Total suspended solids

82.0

39.0

pH

(1)

(1)

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

Table 6-5

Titanium

Forging Equipment Cleaning Wastewater

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 forged titanium

Cyanide

0.012

0.005

Lead

0.017

0.008

Zinc

0.059

0.025

Ammonia

5.33

2.35

Fluoride

2.38

1.06

Oil and grease

0.800

0.480

Total suspended solids

1.64

0.780

pH

(1)

(1)

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

Table 6-6

Titanium

Forging Press Hydraulic Fluid Leakage

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 forged titanium

Cyanide

0.293

0.121

Lead

0.424

0.202

Zinc

1.48

0.616

Ammonia

135

59.2

Fluoride

60.1

26.7

Oil and grease

20.2

12.1

Total suspended solids

41.4

19.7

pH

(1)

(1)

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

Table 6-7

Titanium

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 titanium surface treated

Cyanide

0.061

0.025

Lead

0.088

0.042

Zinc

0.304

0.127

Ammonia

27.7

12.2

Fluoride

12.4

5.49

Oil and grease

4.16

2.50

Total suspended solids

8.53

4.06

pH

(1)

(1)

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

Table 6-8

Titanium

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 titanium surface treated

Cyanide

8.47

3.51

Lead

12.3

5.84

Zinc

42.7

17.8

Ammonia

3,890

1,710

Fluoride

1,740

771

Oil and grease

584

351

Total suspended solids

1,200

570

pH

(1)

(1)

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

Table 6-9

Titanium

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 titanium surface treated or forged

Cyanide

0.621

0.257

Lead

0.899

0.428

Zinc

3.13

1.31

Ammonia

285

126

Fluoride

128

56.5

Oil and grease

42.8

25.7

Total suspended solids

87.8

41.8

pH

(1)

(1)

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

Table 6-10

Titanium

Alkaline Cleaning 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 titanium alkaline cleaned

Cyanide

0.070

0.029

Lead

0.101

0.048

Zinc

0.351

0.147

Ammonia

32.0

14.1

Fluoride

14.3

6.34

Oil and grease

4.80

2.88

Total suspended solids

9.84

4.68

pH

(1)

(1)

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

Table 6-11

Titanium

Alkaline 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 titanium alkaline cleaned

Cyanide

0.801

0.331

Lead

1.16

0.552

Zinc

4.03

1.69

Ammonia

370

160

Fluoride

164

72.9

Oil and grease

55.2

33.1

Total suspended solids

113

53.8

pH

(1)

(1)

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

Table 6-12

Titanium

Molten Salt 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 titanium treated with molten salt

Cyanide

0.277

0.115

Lead

0.401

0.191

Zinc

1.40

0.583

Ammonia

128

56.0

Fluoride

56.8

25.2

Oil and grease

19.1

11.5

Total suspended solids

39.2

18.6

pH

(1)

(1)

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

Table 6-13

Titanium

Tumbling Wastewater

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 titanium tumbled

Cyanide

0.229

0.095

Lead

0.332

0.158

Zinc

1.16

0.482

Ammonia

110

46

Fluoride

47.0

20.9

Oil and grease

15.8

9.48

Total suspended solids

32.4

15.4

pH

(1)

(1)

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

Table 6-14

Titanium

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 titanium sawed or ground with an emulsion

Cyanide

0.053

0.022

Lead

0.077

0.037

Zinc

0.267

0.112

Ammonia

24.4

10.7

Fluoride

10.9

4.83

Oil and grease

3.66

2.20

Total suspended solids

7.51

3.57

pH

(1)

(1)

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

Table 6-15

Titanium

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 titanium sawed or ground with contact cooling water

Cyanide

1.38

0.571

Lead

2.00

0.952

Zinc

6.95

2.91

Ammonia

635

279

Fluoride

283

126

Oil and grease

95.2

57.1

Total suspended solids

195

92.8

pH

(1)

(1)

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

Table 6-16

Titanium

Dye Penetrant Testing Wastewater

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 titanium tested with dye penetrant methods

Cyanide

0.325

0.135

Lead

0.471

0.224

Zinc

1.64

0.683

Ammonia

149

65.7

Fluoride

66.7

29.6

Oil and grease

22.4

13.5

Total suspended solids

45.9

21.9

pH

(1)

(1)

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

Table 6-17

Titanium

Miscellaneous Wastewater Sources

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 titanium formed

Cyanide

0.010

0.004

Lead

0.014

0.007

Zinc

0.048

0.020

Ammonia

4.32

1.90

Fluoride

1.93

0.856

Oil and grease

0.648

0.389

Total suspended solids

1.33

0.632

pH

(1)

(1)

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

Wis. Admin. Code Department of Natural Resources NR 273.062

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