Wis. Admin. Code Department of Natural Resources NR 255.74

Current through October 28, 2024
Section NR 255.74 - Pretreatment standards for existing sources
(1) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subchapter that introduces pollutants into a POTW shall comply with 40 CFR Part 403 and achieve the following pretreatment standards for existing sources:

Table 147

Wet Amalgamated Powder Anode

PSES

POLLUTANT OR

POLLUTANT PROPERTY

MAXIMUM FOR

ANY 1 DAY

MAXIMUM FOR

MONTHLY AVERAGE

Metric units -

mg/kg of zinc

English units -

lb/million lbs of zinc

Chromium

0.24

0.099

Mercury

0.14

0.055

Silver

0.23

0.093

Zinc

0.80

0.34

Manganese

0.37

0.16

Table 148

Gelled Amalgam Anodes

PSES

POLLUTANT OR

POLLUTANT PROPERTY

MAXIMUM FOR

ANY 1 DAY

MAXIMUM FOR

MONTHLY AVERAGE

Metric units -

mg/kg of zinc

English units -

lb/million lbs of zinc

Chromium

0.030

0.12

Mercury

0.017

0.006

Silver

0.028

0.012

Zinc

0.099

0.042

Manganese

0.046

0.020

Table 149

Zinc Oxide Formed Anodes

PSES

POLLUTANT OR

POLLUTANT PROPERTY

MAXIMUM FOR

ANY 1 DAY

MAXIMUM FOR

MONTHLY AVERAGE

Metric units -

mg/kg of zinc

English units -

lb/million lbs of zinc

Chromium

9.53

3.90

Mercury

5.42

2.17

Silver

8.89

3.68

Zinc

31.64

13.22

Manganese

14.74

6.28

Table 150

Electrodeposited Anodes

PSES

POLLUTANT OR

POLLUTANT PROPERTY

MAXIMUM FOR

ANY 1 DAY

MAXIMUM FOR

MONTHLY AVERAGE

Metric units -

mg/kg of zinc deposited

English units -

lb/million lbs of zinc deposited

Chromium

94.47

38.65

Mercury

53.68

21.47

Silver

88.03

36.50

Zinc

313.46

130.97

Manganese

146.00

62.26

Table 151

Silver Powder Formed Cathodes

PSES

POLLUTANT OR

POLLUTANT PROPERTY

MAXIMUM FOR

ANY 1 DAY

MAXIMUM FOR

MONTHLY AVERAGE

Metric units -

mg/kg of silver applied

English units -

lb/million lbs of silver applied

Chromium

13.07

5.35

Mercury

7.43

2.97

Silver

12.18

5.05

Zinc

43.36

18.12

Manganese

20.20

8.61

Table 152

Silver Oxide Powder Formed Cathodes

PSES

POLLUTANT OR

POLLUTANT PROPERTY

MAXIMUM FOR

ANY 1 DAY

MAXIMUM FOR

MONTHLY AVERAGE

Metric units -

mg/kg of silver applied

English units -

lb/million lbs of silver applied

Chromium

8.73

3.57

Mercury

4.96

1.99

Silver

8.14

3.37

Zinc

28.98

12.11

Manganese

13.50

5.76

Table 153

Silver Peroxide Cathodes

PSES

POLLUTANT OR

POLLUTANT PROPERTY

MAXIMUM FOR

ANY 1 DAY

MAXIMUM FOR

MONTHLY AVERAGE

Metric units -

mg/kg of silver applied

English units -

lb/million lbs of silver applied

Chromium

2.09

0.87

Mercury

1.19

0.48

Silver

1.95

0.81

Zinc

6.95

2.90

Manganese

3.24

1.38

Table 154

Nickel Impregnated Cathodes

PSES

POLLUTANT OR

POLLUTANT PROPERTY

MAXIMUM FOR

ANY 1 DAY

MAXIMUM FOR

MONTHLY AVERAGE

Metric units -

mg/kg of nickel applied

English units -

lb/million lbs of nickel applied

Chromium

88.0

36.0

Mercury

50.0

20.0

Nickel

384.0

254.0

Silver

82.0

34.0

Zinc

292.0

122.0

Manganese

136.0

58.0

Table 155

Miscellaneous Wastewater Streams

PSES

POLLUTANT OR

POLLUTANT PROPERTY

MAXIMUM FOR

ANY 1 DAY

MAXIMUM FOR

MONTHLY AVERAGE

Metric units -

mg/kg of cells produced

English units -

lb/million lbs of cells produced

Chromium

0.57

0.23

Cyanide

0.38

0.16

Mercury

0.32

0.13

Nickel

2.48

1.64

Silver

0.53

0.22

Zinc

1.88

0.79

Manganese

0.88

0.37

Table 156

Silver Etch

PSES

POLLUTANT OR

POLLUTANT PROPERTY

MAXIMUM FOR

ANY 1 DAY

MAXIMUM FOR

MONTHLY AVERAGE

Metric units -mg/kg of silver processed

English units - lb/million lbs of silver processed

Chromium

3.27

1.34

Mercury

1.86

0.74

Silver

3.05

1.26

Zinc

10.86

4.54

Manganese

5.06

2.16

Table 157

Silver Peroxide Production

PSES

POLLUTANT OR

POLLUTANT PROPERTY

MAXIMUM FOR

ANY 1 DAY

MAXIMUM FOR

MONTHLY AVERAGE

Metric units - mg/kg of silver in silver peroxide produced

English units - lb/million lbs of silver in silver peroxide produced

Chromium

3.48

1.42

Mercury

1.98

0.79

Silver

3.24

1.34

Zinc

11.55

4.83

Manganese

5.38

2.29

Table 158

Silver Powder Production

PSES

POLLUTANT OR

POLLUTANT PROPERTY

MAXIMUM FOR

ANY 1 DAY

MAXIMUM FOR

MONTHLY AVERAGE

Metric units -mg/kg of silver powder produced

English units -lb/million lbs of silver powder produced

Chromium

1.41

0.58

Mercury

0.80

0.32

Silver

1.32

0.55

Zinc

4.69

1.96

Manganese

2.18

0.93

(2) There may be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed in tables 147 to 158.

Wis. Admin. Code Department of Natural Resources NR 255.74

Cr. Register, November, 1987, No. 383, eff. 12-1-87; correction in (1) made under s. 13.92(4) (b) 7, Stats., Register April 2013 No. 688.