PM-2.5 (1997) Maintenance Areas (Redesignated from Nonattainment)As of January 30, 2015
Detailed Description of Certain Area Boundaries for Partial Counties
The area described by U.S. Census 2000 block group identifiers 01-127-0214-5, 01-127-0215-4, and 01-127-0216-2.
Chattanooga, TN-GA-AL (AL portion)
The area described by U.S. Census 2000 block block group identifier 01-071-9503-1.
From the point where Bibb and Monroe Counties meet at US Hwy 23/Georgia Hwy 98 follow the Bibb/Monroe County line westward 150' from the US Hwy 23/Georgia Hwy 87 centerline,
proceed northward 150' west of and parallel to the US Hwy 23/Georgia Hwy 87 centerline to 33 degrees, 04 minutes, 30 seconds;
proceeed westward to 83 degrees, 49 minutes, 45 seconds;
proceed due south to 150' north of the Georgia Hwy 18 centerline, proceed eastward 150' north of and parallel to the Georgia Hwy 18 centerline to 1150' west of the US Hwy 23/ Georgia Hwy 87 centerline, proceed southward 1150' west of and parallel to the US Hwy 23/Georgia Hwy 87 centerline to the Monroe/Bibb County line;
then follow the Monroe/Bibb County line to 150' west of the US Hwy 23/Georgia Hwy 87 centerline.
The area described by U.S. Census 2000 block group identifier 21-127-9901-6.