Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
Subchapter III - Secondary Aluminum Smelting
Section NR 274.034 - New source performance standards
Any new source subject to this subchapter shall achieve the following standards:
Table 3-13
Secondary Aluminum Smelting Scrap Drying Wet Air Pollution Control
NSPS |
||
Maximum for any 1 day |
Maximum for monthly average |
|
Pollutant or pollutant property |
mg/kg (pounds per 1,000,000 pounds) of scrap dried |
|
Lead |
0.000 |
0.000 |
Zinc |
0.000 |
0.000 |
Aluminum |
0.000 |
0.000 |
Ammonia (as N) |
0.000 |
0.000 |
Total suspended solids |
0.000 |
0.000 |
Oil and grease |
0.000 |
0.000 |
pH |
(1) |
(1) |
(1)Within the range of 7.0 to 10.0 at all times.
Table 3-14
Secondary Aluminum Smelting Scrap Screening and Milling
NSPS |
||
Maximum for any 1 day |
Maximum for monthly average |
|
Pollutant or pollutant property |
mg/kg (pounds per 1,000,000 pounds) of aluminum scrap screened and milled |
|
Lead |
0.000 |
0.000 |
Zinc |
0.000 |
0.000 |
Aluminum |
0.000 |
0.000 |
Ammonia (as N) |
0.000 |
0.000 |
Total suspended solids |
0.000 |
0.000 |
Oil and grease |
0.000 |
0.000 |
pH |
(1) |
(1) |
(1) Within the range of 7.0 to 10.0 at all times.
Table 3-15
Secondary Aluminum Smelting Dross Washing
NSPS |
||
Maximum for any 1 day |
Maximum for monthly average |
|
Pollutant or pollutant property |
mg/kg (pounds per 1,000,000 pounds) of dross washed |
|
Lead |
0.000 |
0.000 |
Zinc |
0.000 |
0.000 |
Aluminum |
0.000 |
0.000 |
Ammonia (as N) |
0.000 |
0.000 |
Total suspended solids |
0.000 |
0.000 |
Oil and grease |
0.000 |
0.000 |
pH |
(1) |
(1) |
(1) Within the range of 7.0 to 10.0 at all times.
Table 3-16
Secondary Aluminum Smelting Demagging Wet Air Pollution Control
NSPS |
||
Maximum for any 1 day |
Maximum for monthly average |
|
Pollutant or pollutant property |
mg/kg (pounds per 1,000,000 pounds) of aluminum demagged |
|
Lead |
0.216 |
0.100 |
Zinc |
0.786 |
0.324 |
Aluminum |
4.711 |
2.090 |
Ammonia (as N) |
102.800 |
45.180 |
Total suspended solids |
11.570 |
9.252 |
Oil and grease |
7.710 |
7.710 |
pH |
(1) |
(1) |
(1) Within the range of 7.0 to 10.0 at all times.
Table 3-17
Secondary Aluminum Smelting Delacquering Wet Air Pollution Control
NSPS |
||
Maximum for any 1 day |
Maximum for monthly average |
|
Pollutant or pollutant property |
mg/kg (pounds per 1,000,000 pounds) of aluminum delacquered |
|
Lead |
0.093 |
0.043 |
Zinc |
0.340 |
0.140 |
Aluminum |
2.035 |
0.903 |
Ammonia (as N) |
44.389 |
19.514 |
Total phenolics (4-AAP) (1) |
0.004 |
|
Total suspended solids |
4.995 |
3.996 |
Oil and grease |
3.330 |
3.330 |
pH |
(2) |
(2) |
(1) At or before the commingling of delacquering scrubber liquor blowdown with other process or nonprocess waters.
(2) Within the range of 7.0 to 10.0 at all times.
Table 3-18
Secondary Aluminum Smelting Direct Chill Casting Contact Cooling
NSPS |
||
Maximum for any 1 day |
Maximum for monthly average |
|
Pollutant or pollutant property |
mg/kg (pounds per 1,000,000 pounds) of aluminum cast |
|
Lead |
0.372 |
0.173 |
Zinc |
1.356 |
0.558 |
Aluminum |
8.120 |
3.602 |
Ammonia (as N) |
177.200 |
77.880 |
Total suspended solids |
19.400 |
15.950 |
Oil and grease |
13.290 |
13.290 |
pH |
(1) |
(1) |
(1) Within the range of 7.0 to 10.0 at all times.
Table 3-19
Secondary Aluminum Smelting Ingot Conveyor Casting Contact Cooling When Chlorine Demagging Wet Air Pollution Control Is Not Practiced On Site
NSPS |
||
Maximum for any 1 day |
Maximum for monthly average |
|
Pollutant or pollutant property |
mg/kg (pounds per 1,000,000 pounds) of aluminum cast |
|
Lead |
0.019 |
0.009 |
Zinc |
0.068 |
0.028 |
Aluminum |
0.409 |
0.182 |
Ammonia (as N) |
8.931 |
3.926 |
Total suspended solids |
1.005 |
0.804 |
Oil and grease |
0.670 |
0.670 |
pH |
(1) |
(1) |
(1) Within the range of 7.0 to 10.0 at all times.
Table 3-20
Secondary Aluminum Smelting Ingot Conveyor Contact Cooling When Chlorine Demagging Wet Air Pollution Control Is Practiced On Site
NSPS |
||
Maximum for any 1 day |
Maximum for monthly average |
|
Pollutant or pollutant property |
mg/kg (pounds per 1,000,000 pounds) of aluminum cast |
|
Lead |
0.000 |
0.000 |
Zinc |
0.000 |
0.000 |
Aluminum |
0.000 |
0.000 |
Ammonia (as N) |
0.000 |
0.000 |
Total suspended solids |
0.000 |
0.000 |
Oil and grease |
0.000 |
0.000 |
pH |
(1) |
(1) |
(1) Within the range of 7.0 to 10.0 at all times.
Table 3-21
Secondary Aluminum Smelting Stationary Casting Contact Cooling
NSPS |
||
Maximum for any 1 day |
Maximum for monthly average |
|
Pollutant or pollutant property |
mg/kg (pounds per 1,000,000 pounds) of aluminum cast |
|
Lead |
0.000 |
0.000 |
Zinc |
0.000 |
0.000 |
Aluminum |
0.000 |
0.000 |
Ammonia (as N) |
0.000 |
0.000 |
Total suspended solids |
0.000 |
0.000 |
Oil and grease |
0.000 |
0.000 |
pH |
(1) |
(1) |
(1) Within the range of 7.0 to 10.0 at all times.
Table 3-22
Secondary Aluminum Smelting Shot Casting Contact Cooling
NSPS |
||
Maximum for any 1 day |
Maximum for monthly average |
|
Pollutant or pollutant property |
mg/kg (pounds per 1,000,000 pounds) of aluminum cast |
|
Lead |
0.000 |
0.000 |
Zinc |
0.000 |
0.000 |
Aluminum |
0.000 |
0.000 |
Ammonia (as N) |
0.000 |
0.000 |
Total suspended solids |
0.000 |
0.000 |
Oil and grease |
0.000 |
0.000 |
pH |
(1) |
(1) |
(1) Within the range of 7.0 to 10.0 at all times.