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Register August 1997 No. 500
Chapter NR 100
ENVIRONMENTAL PROTECTION
NR 100.01   Organic mercury compounds.
NR 100.02   Inorganic mercury compounds and metal mercury.
NR 100.01NR 100.01 Organic mercury compounds. The discharge of organic mercury compounds to the waters of the state shall not exceed 0.0005 mg/l of mercury as measured in a 24-hour composite sample.
NR 100.01 HistoryHistory: Cr. Register, March, 1971, No. 183, eff. 4-1-71.
NR 100.02NR 100.02 Inorganic mercury compounds and metal mercury. The discharge of inorganic mercury compounds and metallic mercury to the waters of the state shall not exceed the background level by more than 0.05 pound per 1,000,000 gallons of effluent discharged. The maximum discharge of inorganic mercury compounds and metallic mercury shall be 0.15 pound of mercury per day averaged over a 30-day period; however, in any one day there shall not be a discharge in excess of 0.50 pound.
NR 100.02 HistoryHistory: Cr. Register, March, 1971, No. 183, eff. 4-1-71.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.