Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 273 - Nonferrous metals forming and metal powders
Subchapter VIII - Zinc
Section NR 273.084 - New source performance standards
Any new source subject to this subchapter shall achieve the following standards:
Table 8-23
Zinc
Rolling Spent Emulsions
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/off-kg (pounds per million off-pounds) of zinc rolled with emulsions |
|
|
Chromium |
0.0005 |
0.0002 |
|
Copper |
0.002 |
0.0009 |
|
Cyanide |
0.0003 |
0.0001 |
|
Zinc |
0.002 |
0.0006 |
|
Oil and grease |
0.014 |
0.014 |
|
Total suspended solids |
0.021 |
0.017 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 8-24
Zinc
Rolling Contact Cooling Water
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/off-kg (pounds per million off-pounds) of zinc rolled with contact cooling water |
|
|
Chromium |
0.020 |
0.009 |
|
Copper |
0.069 |
0.037 |
|
Cyanide |
0.011 |
0.004 |
|
Zinc |
0.055 |
0.023 |
|
Oil and grease |
0.536 |
0.536 |
|
Total suspended solids |
0.804 |
0.643 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 8-25
Zinc
Drawing Spent Emulsions
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/off-kg (pounds per million off-pounds) of zinc drawn with emulsions |
|
|
Chromium |
0.002 |
0.0009 |
|
Copper |
0.008 |
0.004 |
|
Cyanide |
0.001 |
0.0005 |
|
Zinc |
0.006 |
0.003 |
|
Oil and grease |
0.058 |
0.058 |
|
Total suspended |
0.087 |
0.070 |
|
solids |
||
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 8-26
Zinc
Direct Chill Casting Contact Cooling Water
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/off-kg (pounds per million off-pounds) of zinc cast by the direct chill method |
|
|
Chromium |
0.019 |
0.008 |
|
Copper |
0.065 |
0.031 |
|
Cyanide |
0.010 |
0.004 |
|
Zinc |
0.052 |
0.021 |
|
Oil and grease |
0.505 |
0.505 |
|
Total suspended solids |
0.758 |
0.606 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 8-27
Zinc
Heat Treatment Contact Cooling Water
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/off-kg (pounds per million off-pounds) of zinc heat treated |
|
|
Chromium |
0.029 |
0.012 |
|
Copper |
0.098 |
0.047 |
|
Cyanide |
0.016 |
0.006 |
|
Zinc |
0.078 |
0.032 |
|
Oil and grease |
0.763 |
0.763 |
|
Total suspended solids |
1.15 |
0.916 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 8-28
Zinc
Surface Treatment Spent Baths
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/off-kg (pounds per million off-pounds) of zinc surface treated |
|
|
Chromium |
0.033 |
0.014 |
|
Copper |
0.114 |
0.054 |
|
Cyanide |
0.018 |
0.007 |
|
Zinc |
0.091 |
0.038 |
|
Oil and grease |
0.887 |
0.887 |
|
Total suspended solids |
1.33 |
1.07 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 8-29
Zinc
Surface Treatment Rinse
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/off-kg (pounds per million off-pounds) of zinc surface treated |
|
|
Chromium |
0.133 |
0.054 |
|
Copper |
0.459 |
0.219 |
|
Cyanide |
0.072 |
0.029 |
|
Zinc |
0.365 |
0.151 |
|
Oil and grease |
3.58 |
3.58 |
|
Total suspended solids |
5.37 |
4.30 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 8-30
Zinc
Alkaline Cleaning Spent Baths
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned |
|
|
Chromium |
0.002 |
0.0006 |
|
Copper |
0.005 |
0.002 |
|
Cyanide |
0.0007 |
0.0003 |
|
Zinc |
0.004 |
0.002 |
|
Oil and grease |
0.036 |
0.036 |
|
Total suspended solids |
0.054 |
0.043 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 8-31
Zinc
Alkaline Cleaning Rinse
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/off-kg (pounds per million off-pounds) of zinc alkaline cleaned |
|
|
Chromium |
0.626 |
0.254 |
|
Copper |
2.17 |
1.03 |
|
Cyanide |
0.338 |
0.135 |
|
Zinc |
1.73 |
0.710 |
|
Oil and grease |
16.9 |
16.9 |
|
Total suspended solids |
25.4 |
20.3 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 8-32
Zinc
Sawing or Grinding Spent Emulsions
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/off-kg (pounds per million off-pounds) of zinc sawed or ground with emulsions |
|
|
Chromium |
0.009 |
0.004 |
|
Copper |
0.031 |
0.015 |
|
Cyanide |
0.005 |
0.002 |
|
Zinc |
0.025 |
0.010 |
|
Oil and grease |
0.235 |
0.235 |
|
Total suspended solids |
0.357 |
0.286 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 8-33
Zinc
Electrocoating Rinse
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/off-kg (pounds per million off-pounds) of zinc electrocoated |
|
|
Chromium |
0.085 |
0.035 |
|
Copper |
0.293 |
0.140 |
|
Cyanide |
0.046 |
0.019 |
|
Zinc |
0.234 |
0.096 |
|
Oil and grease |
2.29 |
2.29 |
|
Total suspended |
3.44 |
2.75 |
|
solids |
||
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
