Wis. Admin. Code Department of Natural Resources NR 274.124
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