Wis. Admin. Code NR § 274.124

Current through May 28, 2024
Section NR 274.124 - New source performance standards

Any new source subject to this subchapter shall achieve the following standards:

Table 12-23

Secondary Silver Film Stripping

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/troy ounce of silver from film stripping

Copper

64.450

30.720

Zinc

51.360

21.150

Ammonia (as N)

6,712.000

2,951.000

Total suspended solids

755.300

604.000

pH

(1)

(1)

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

Table 12-24

Secondary Silver Film Stripping Wet Air Pollution Control and Precipitation and Filtration of Film Stripping Solutions Wet Air Pollution Control

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/troy ounce of silver from

precipitation and filtration of film

stripping solutions

Copper

1.242

0.592

Zinc

0.990

0.408

Ammonia (as N)

129.300

56.840

Total suspended solids

14.550

11.640

pH

(1)

(1)

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

Table 12-25

Secondary Silver Precipitation and Filtration of Film Stripping Solutions

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/troy ounce of silver precipitated

Copper

73.690

35.120

Zinc

58.720

24.180

Ammonia (as N)

7,674.000

3,374.000

Total suspended solids

863.600

690.900

pH

(1)

(1)

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

Table 12-26

Secondary Silver Precipitation and Filtration of Photographic Solutions

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/troy ounce of silver precipitated

Copper

34.048

16.226

Zinc

27.132

11.172

Ammonia (as N)

3,545.000

1,559.000

Total suspended solids

399.000

319.200

pH

(1)

(1)

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

Table 12-27

Secondary Silver Precipitation and Filtration of Photographic Solutions Wet Air Pollution Control

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/troy ounce of silver from precipitation and filtration of photographic solutions

Copper

15.540

7.406

Zinc

12.380

5.099

Ammonia (as N)

1,618.000

711.400

Total suspended solids

182.100

145.700

pH

(1)

(1)

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

Table 12-28

Secondary Silver Electrolytic Refining

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/troy ounc electroly

e of silver from tic refining

Copper

0.973

0.464

Zinc

0.775

0.319

Ammonia (as N)

101.300

44.540

Total suspended solids

11.400

9.120

pH

(1)

(1)

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

Table 12-29

Secondary Silver Furnace Wet Air Pollution Control

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/troy ounce of silver roasted, smelted, or dried

Copper

0.000

0.000

Zinc

0.000

0.000

Ammonia (as N)

0.000

0.000

Total suspended solids

0.000

0.000

pH

(1)

(1)

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

Table 12-30

Secondary Silver Leaching

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/troy ounce of silver produced from leaching

Copper

0.110

0.053

Zinc

0.088

0.036

Ammonia (as N)

11.470

5.040

Total suspended solids

1.290

1.032

pH

(1)

(1)

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

Table 12-31

Secondary Silver Leaching Wet Air Pollution Control and Precipitation of Nonphotographic Solutions Wet Air Pollution Control

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/troy ounce of silver produced from leaching or precipitated

Copper

5.671

2.703

Zinc

4.519

1.861

Ammonia (as N)

590.500

259.600

Total suspended solids pH

66.450

53.160

pH

(1)

(1)

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

Table 12-32

Secondary Silver Precipitation and Filtration of Nonphotographic Solutions

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/troy ounce of silver precipitated

Copper

3.930

1.873

Zinc

3.132

1.290

Ammonia (as N)

409.300

179.900

Total suspended solids

46.050

36.840

pH

(1)

(1)

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

Table 12-33

Secondary Silver Floor and Equipment Washdown

NSPS

Maximum for any 1 day

Maximum for monthly average

Pollutant or pollutant property

mg/troy ounce of silver production

Copper

0.000

0.000

Zinc

0.000

0.000

Ammonia (as N)

0.000

0.000

Total suspended solids

0.000

0.000

pH

(1)

(1)

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

Wis. Admin. Code Department of Natural Resources § NR 274.124

Cr. Register, March, 1991, No. 423, eff. 4-1-91.