Abstract: The Environmental Protection Agency (EPA) compiles data on emission tonnages of air pollutants for US counties.  US Air Quality Gradebook ("AirGrades") source sheets give the percentage contributions from specific air pollution sources.  This source sheet is for

Wayne County, Mississippi; Webster County, Mississippi; and Wilkinson County, Mississippi.  The Wayne County Seat is Waynesboro, Mississippi; the Webster County Seat is Walthall, Mississippi; and the Wilkinson County Seat is Woodville, Mississippi.