[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: 40CFR81.23]

[Page 14]
 
                   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. 81.23  Southwest Pennsylvania Intrastate Air Quality Control Region.

    The Southwest Pennsylvania Intrastate Air Quality Control Region is 
redesignated to consist 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 Pennsylvania: Allegheny County, Armstrong County, 
Beaver County, Butler County, Greene County, Fayette County, Indiana 
County, Washington County, Westmoreland County.