Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
Subchapter XX - Secondary Mercury
Section NR 274.204 - New source performance standards
Any new source subject to this subchapter shall achieve the following standards:
Table 20-1
Secondary Mercury Spent Battery Electrolyte
NSPS |
||
Maximum for any 1 day |
Maximum for monthly average |
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of mercury produced from batteries |
|
Lead |
0.030 |
0.014 |
Mercury |
0.016 |
0.006 |
Total suspended solids |
1.590 |
1.272 |
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 20-2
Secondary Mercury Acid Wash and Rinse Water
NSPS |
||
Maximum for any 1 day |
Maximum for monthly average |
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of mercury washed and rinsed |
|
Lead |
0.00056 |
0.00026 |
Mercury |
0.00030 |
0.00012 |
Total suspended solids |
0.03000 |
0.02400 |
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 20-3
Secondary Mercury Furnace Wet Air Pollution Control
NSPS |
||
Maximum for any 1 day |
Maximum for monthly average |
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of mercury processed through furnace |
|
Lead |
0.000 |
0.000 |
Mercury |
0.000 |
0.000 |
Total suspended solids |
0.000 |
0.000 |
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times