Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 262 - Porcelain enameling
Section NR 262.03 - Monitoring and reporting requirements
Universal Citation: WI Admin Code ยง NR 262.03
Current through August 26, 2024
(1) Periodic analyses for chromium as may be required under 40 CFR Part 122 or 403 is not required when both of the following conditions are met:
(a) The first wastewater sample of each
calendar year has been analyzed and found to contain less than 0.08 mg/l
chromium.
(b) The owner or operator
of the porcelain enameling facility certifies in writing to the control
authority that chromium is not contained in the raw materials or process
chemicals of that facility and will not be used in the facility.
(2) The "monthly average" regulatory values shall be the basis for the monthly average discharge in direct discharge permits and for pretreatment standards. Compliance with the monthly discharge limit is required regardless of the number of samples analyzed and averaged.
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