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

Current through June 24, 2024
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.