40 CFR § 81.154 - Eastern Shore Intrastate Air Quality Control Region.

The Eastern Shore Intrastate Air Quality Control Region (Maryland) 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 Maryland: Caroline County, Cecil County, Dorchester County, Kent County, Queen Annes County, Somerset County, Talbot County, Wicomico County, Worcester County.