GroundRules
40 CFR 81.71: Rockford (Illinois)-Janesville-Beloit (Wisconsin) Interstate Air Quality Control Region.
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER C—AIR PROGRAMS
- PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
- Subpart B—Designation of Air Quality Control Regions
The Rockford (Illinois)-Janesville-Beloit (Wisconsin) Interstate Air Quality Control Region 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 Illinois: Boone County, De Kalb County, Ogle County, Stephenson County, Winnebago County.
In the State of Wisconsin: Rock County.
Collected 2026-08-27T02:26:04Z. Source file · JSON