Wisconsin Statutes Environmental Regulation (Ch. 280 to 299) § 285.45. Sulfur dioxide emission goals after 1992; major utilities and other large air contaminant sources

(a) “Large source” means a stationary source in this state, other than a fossil fuel-fired boiler under the ownership or control of a major utility, that had sulfur dioxide emissions averaging at least 1,000 tons annually in the most recent 5-year period, that became operational before May 2, 1986, and that is not a boiler subject to the standard of performance for new stationary sources for sulfur dioxide emissions established under s. 285.27(1).

(b) “Major utility” has the meaning given under s. 285.41(1)(f).

(a) From all major utilities and large sources, 325,000 tons.

(b) From all fossil fuel-fired boilers under the ownership and control of the major utilities, 250,000 tons.

(c) From all large sources, 75,000 tons.