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Electronic Code of Federal Regulations

e-CFR data is current as of December 12, 2019

Title 40Chapter ISubchapter CPart 81Subpart B → §81.170


Title 40: Protection of Environment
PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
Subpart B—Designation of Air Quality Control Regions


§81.170   Miles City Intrastate Air Quality Control Region.

The Miles City Intrastate Air Quality Control Region (Montana) 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 Montana: Carter County, Custer County, Daniels County, Dawson County, Fallon County, Garfield County, McCone County, Phillips County, Powder River County, Prairie County, Richland County, Roosevelt County, Rosebud County, Sheridan County, Treasure County, Valley County, Wibaux County.

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