Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
Subchapter XVIII - Primary and Secondary Germanium and Gallium
Section NR 274.182 - 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 18-1
Primary and Secondary Germanium and Gallium Still Liquor
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of germanium chlorinated |
|
|
Arsenic |
131.700 |
58.590 |
|
Lead |
26.460 |
12.600 |
|
Zinc |
91.980 |
38.430 |
|
Fluoride |
2,205.000 |
1,254.000 |
|
Total suspended solids |
2,583.000 |
1,229.000 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 18-2
Primary and Secondary Germanium and Gallium Chlorinator Wet Air Pollution Control
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of germanium chlorinated |
|
|
Arsenic |
27.530 |
12.250 |
|
Lead |
5.531 |
2.634 |
|
Zinc |
19.230 |
8.034 |
|
Fluoride |
461.000 |
262.100 |
|
Total suspended solids |
540.000 |
256.800 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 18-3
Primary and Secondary Germanium and Gallium Germanium Hydrolysis Filtrate
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of germanium hydrolyzed |
|
|
Arsenic |
39.440 |
17.550 |
|
Lead |
7.925 |
3.774 |
|
Zinc |
27.550 |
11.510 |
|
Fluoride |
660.500 |
375.500 |
|
Total suspended solids |
773.700 |
368.000 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 18-4
Primary and Secondary Germanium and Gallium Acid Wash and Rinse Water
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of germanium washed |
|
|
Arsenic |
325.500 |
144.800 |
|
Lead |
65.400 |
31.140 |
|
Zinc |
227.400 |
94.990 |
|
Fluoride |
5,450.000 |
3,099.000 |
|
Total suspended solids |
6,385.000 |
3,037.000 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 18-5
Primary and Secondary Germanium and Gallium Gallium Hydrolysis Filtrate
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of gallium hydrolyzed |
|
|
Arsenic |
70.450 |
31.350 |
|
Lead |
14.160 |
6.742 |
|
Zinc |
49.220 |
20.560 |
|
Fluoride |
1,180.000 |
670.800 |
|
Total suspended solids |
1,382.000 |
657.300 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 18-6
Primary and Secondary Germanium and Gallium Solvent Extraction Raffinate
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of gallium produced by solvent extraction |
|
|
Arsenic |
39.330 |
17.500 |
|
Lead |
7.904 |
3.764 |
|
Zinc |
27.480 |
11.480 |
|
Fluoride |
658.700 |
374.500 |
|
Total suspended solids pH |
771.600 |
367.000 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times.
