Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
Subchapter XIV - Primary Antimony
Section NR 274.144 - New source performance standards
Any new source subject to this subchapter shall achieve the following standards:
Table 14-7
Primary Antimony Sodium Antimonate Autoclave Wastewater
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds p of antimony co antimona |
er million pounds) ntained in sodium te product |
|
Antimony |
30.150 |
13.440 |
|
Arsenic |
21.720 |
9.687 |
|
Mercury |
2.344 |
0.937 |
|
Total suspended solids |
234.400 |
187.500 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 14-8
Primary Antimony Fouled Anolyte
|
NSPS |
||
|
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 |
30.150 |
13.440 |
|
Arsenic |
21.720 |
9.687 |
|
Mercury |
2.344 |
0.937 |
|
Total suspended solids |
234.400 |
187.500 |
|
pH |
(1) |
(1) |
Primary Antimony Fouled Anolyte
(1) Within the range of 7.5 to 10.0 at all times.
Table 14-9
Primary Antimony Cathode Antimony Wash Water
|
NSPS |
||
|
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 |
60.310 |
26.870 |
|
Arsenic |
43.430 |
19.370 |
|
Mercury |
4.687 |
1.875 |
|
Total suspended solids |
468.700 |
375.000 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times.
