[Code of Federal Regulations] [Title 40, Volume 15] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR81.52] [Page 19] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 81--DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES--Table of Contents Subpart B--Designation of Air Quality Control Regions Sec. 81.52 Wasatch Front Intrastate Air Quality Control Region. The Wasatch Front Intrastate Air Quality Control Region (Utah) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited): In the State of Utah: Davis County, Salt Lake County, Tooele County, Utah County, Weber County.