Abstract: The Environmental Protection Agency (EPA) compiles data on emission tonnages of air pollutants for US counties.  US Air Quality Gradebook ("AirGrades") source sheets such as this one for Meade County, Kentucky, and

Menifee County, Kentucky, give the percentage contributions from specific air pollution sources.  The Meade County Seat is Brandenburg, Kentucky, and the Menifee County Seat is Frenchburg, Kentucky.