Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
Subchapter XV - Primary Beryllium
Section NR 274.151 - Cyanide
Universal Citation: WI Admin Code ยง NR 274.151
Current through August 26, 2024
(1) Periodic analyses for cyanide are not required when both of the following conditions are met:
(a) The first wastewater sample taken in the
calendar year has been analyzed and found to contain less than 0.7 % mg/l
cyanide; and
(b) The owner or
operator certifies in writing to the department or control authority that
cyanide is neither generated nor used in the manufacturing process.
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