Wis. Stat. § 254.41: Radiation monitoring of nuclear power plants.

The department shall take environmental samples to test for radiation emission in any area of the state within 20 miles of a nuclear power plant. The department shall charge the owners of each nuclear power plant in the state an annual fee of $30,000 per plant, commencing in fiscal year 1983-84, to finance radiation monitoring under this section. The department may change this annual fee by rule.