(a) Part D—Approval—With the exceptions set forth in this subpart, the Administrator approved the Wisconsin sulfur dioxide control plan.

(1) Part D—No action—USEPA takes no action on the Wisconsin sulfur dioxide rules NR 154.12 (1), (2) and (3).

(b) Sulfur dioxide maintenance plan.

(1) An SO2 maintenance plan was submitted by the State of Wisconsin on June 9, 1992, for the City of Madison, Dane County.

(2) An SO2 maintenance plan was submitted by the State of Wisconsin on June 12, 1992, for the City of Milwaukee, Milwaukee County.

(3) An SO2 maintenance plan was submitted by the State of Wisconsin on November 5, 1999, for the City of Rhinelander, Oneida County.

(4) An SO2 maintenance plan was submitted by the State of Wisconsin on November 17, 2000, for the villages of Rothschild and Weston and the Township of Rib Mountain, all located in central Marathon County.

[46 FR 21168, Apr. 9, 1981, as amended at 58 FR 29786, 29790, May 24, 1993; 65 FR 68904, Nov. 15, 2000; 67 FR 37331, May 29, 2002]