§ 421.124 Standards of performance for new sources.
Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Subpart L—Film Stripping.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
604.200
|
| pH |
(
) |
(
)
|
(b) Subpart L—Film Stripping Wet Air Pollution Control and Precipitation and Filtration of Film Stripping Solutions Wet Air Pollution Control.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
mg/troy ounce of silver from precipitation and filtration of film stripping solutions
|
| Copper |
1.242 |
.592
|
| Zinc |
.990 |
.408
|
| Ammonia (as N) |
129.300 |
56.840
|
| Total suspended solids |
14.550 |
11.640
|
| pH |
(
) |
(
)
|
(c) Subpart L—Precipitation and Filtration of Film Stripping Solutions.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(d) Subpart L—Precipitation and Filtration of Photographic Solutions.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(e) Subpart L—Precipitation and Filtration of Photographic Solutions Wet Air Pollution Control.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(f) Subpart L—Electrolytic Refining.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
mg/troy ounce of silver from electrolytic refining
|
| Copper |
.973 |
.464
|
| Zinc |
.775 |
.319
|
| Ammonia (as N) |
101.300 |
44.540
|
| Total suspended solids |
11.400 |
9.120
|
| pH |
(
) |
(
)
|
(g) Subpart L—Furnace Wet Air Pollution Control.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
mg/troy ounce of silver roasted, smelted, or dried
|
| Copper |
.000 |
.000
|
| Zinc |
.000 |
.000
|
| Ammonia (as N) |
.000 |
.000
|
| Total suspended solids |
.000 |
.000
|
| pH |
(
) |
(
)
|
(h) Subpart L—Leaching.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
mg/troy ounce of silver produced from leaching
|
| Copper |
.110 |
.053
|
| Zinc |
.088 |
.036
|
| Ammonia (as N) |
11.470 |
5.040
|
| Total suspended solids |
1.290 |
1.032
|
| pH |
(
) |
(
)
|
(i) Subpart L—Leaching Wet Air Pollution Control and Precipitation of Nonphotographic Solutions Wet Air Pollution Control.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
mg/troy ounce of silver produced from leaching or silver precipitated
|
| Copper |
5.671 |
2.703
|
| Zinc |
4.519 |
1.861
|
| Ammonia (as N) |
590.500 |
259.600
|
| Total suspended solids |
66.450 |
53.160
|
| pH |
(
) |
(
)
|
(j) Subpart L—Precipitation and Filtration of Nonphotograhic Solutions.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(k) Subpart L—Floor and Equipment Washdown.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
mg/troy ounce of silver production
|
| Copper |
.000 |
.000
|
| Zinc |
.000 |
.000
|
| Ammonia (as N) |
.000 |
.000
|
| Total suspended solids |
.000 |
.000
|
| pH |
(
) |
(
)
|
