Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 262 - Porcelain enameling
Section NR 262.33 - New source performance standards
Any new source subject to this subcategory shall achieve the following new source performance standards:
NSPS
Maximum for any 1 day |
Maximum for monthly average |
|||
Pollutant or pollutant property |
Metal preparation |
Coating operation |
Metal preparation |
Coating operation |
Metric units-mg/m2of area processed or coated |
||||
Chromium .. |
3.6 |
0.47 |
1.46 |
0.19 |
Lead ....... |
0.97 |
0.13 |
0.88 |
0.11 |
Nickel ...... |
5.35 |
0.69 |
3.6 |
0.47 |
Zinc ....... |
9.92 |
1.29 |
4.09 |
0.53 |
Aluminum .. |
29.46 |
3.82 |
12.06 |
1.56 |
Iron........ |
11.96 |
1.55 |
6.13 |
0.79 |
Oil and grease |
97.24 |
12.6 |
97.24 |
12.6 |
TSS........ |
145.86 |
18.91 |
116.69 |
15.12 |
pH......... |
(1) |
(1) |
(1) |
(1) |
English units-pounds per 1 million ft2 of area processed or coated |
||||
Chromium .. |
0.74 |
0.1 |
0.3 |
0.04 |
Lead ....... |
0.2 |
0.03 |
0.18 |
0.2 |
Nickel ...... |
1.1 |
0.14 |
0.74 |
0.1 |
Zinc ....... |
2.03 |
0.27 |
0.84 |
0.11 |
Aluminum .. |
6.03 |
0.78 |
2.47 |
0.32 |
Iron ........ |
2.45 |
0.32 |
1.26 |
0.16 |
Oil and grease |
19.92 |
2.58 |
19.92 |
2.58 |
TSS........ |
29.88 |
3.87 |
23.9 |
3.1 |
pH ......... |
(1) |
(1) |
(1) |
(1) |
1Within the range 7.5 to 10.0.