CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS > SUBPART Q—Iowa (§52.820 to §52.834) > 52.834—Control strategy: Sulfur dioxide.

52.834—Control strategy: Sulfur dioxide.

Approval—On April 21, 1997, the Iowa Department of Natural Resources (IDNR) submitted a maintenance plan and redesignation request for the Muscatine County nonattainment area. The maintenance plan and redesignation request satisfy all applicable requirements of the Clean Air Act.

Code of Federal Regulations

[63 FR 13345, Mar. 19, 1998]