Wis. Admin. Code Department of Natural Resources NR 274.142
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 14-1
Primary Antimony Sodium Antimonate Autoclave Wastewater
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of antimony contained in sodium antimonate product | |
Antimony | 44.840 | 20.000 |
Arsenic | 32.650 | 14.530 |
Mercury | 3.906 | 1.562 |
Total suspended solids | 640.600 | 304.700 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 14-2
Fouled Anolyte BPT Effluent Limitations
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds)of antimony metal produced by electrowinning | |
Antimony | 44.840 | 20.000 |
Arsenic | 32.650 | 14.530 |
Mercury | 3.906 | 1.562 |
Total suspended solids | 640.600 | 304.700 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 14-3
Primary Antimony Cathode Antimony Wash Water
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of antimony metal produced by electrowinning | |
Antimony | 89.680 | 40.000 |
Arsenic | 65.310 | 29.060 |
Mercury | 7.812 | 3.125 |
Total suspended solids | 1,281.000 | 609.300 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Wis. Admin. Code Department of Natural Resources NR 274.142