Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection - Wisconsin Pollutant Discharge Elimination System
Chapter NR 230 - Inorganic chemicals manufacturing
Subchapter XLII - Hydrogen cyanide
Section NR 230.426 - Pretreatment standards for new sources
Universal Citation: WI Admin Code ยง NR 230.426
Current through August 26, 2024
Except as provided in s. NR 211.13, any new source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following PSNS:
Table 52
Hydrogen Cyanide(1)
|
PSNS |
||
|
milligrams per liter |
||
|
Pollutant or pollutant property |
Maximum forany 1 day |
Average of daily values for 30 consecutive days |
|
Cyanide A |
1.7 |
0.36 |
|
Total cyanide |
11 |
4.0 |
(1) When a POTW finds that mass limitations are necessary, the PSNS shall be the limitations set forth in s. NR 230.424 for cyanide A and total cyanide.
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