Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 262 - Porcelain enameling
Section NR 262.15 - Pretreatment standards for new sources
Except as provided in 40 CFR 403.7 and 403.13, any new source subject to this subcategory which introduces pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403 and achieve the following pretreatment standards for new sources:
PSNS
|
Maximum for any 1 day |
Maximum for monthly average |
|||
|
Pollutant or pollutant property |
Metal preparation |
Coating operation |
Metal preparation |
Coating operation |
|
Metric units-mg/2 of area processed or coated |
||||
|
Chromium .. |
3.7 |
0.47 |
1.5 |
0.19 |
|
Lead ....... |
1.0 |
0.13 |
0.9 |
0.11 |
|
Nickel ...... |
12.0 |
1.51 |
6.3 |
0.79 |
|
Zinc ....... |
10.2 |
1.29 |
4.2 |
0.53 |
|
English units-pounds per 1 million ft2of area processed or coated |
||||
|
Chromium .. |
0.76 |
0.1 |
0.31 |
0.04 |
|
Lead ....... |
0.2 |
0.03 |
0.19 |
0.02 |
|
Nickel ...... |
2.46 |
0.31 |
1.29 |
0.16 |
|
Zinc ....... |
2.09 |
0.27 |
0.86 |
0.11 |
