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

Pulaski County, Missouri; Putnam County, Missouri; and Ralls County, Missouri.  The Pulaski County Seat is Waynesville, Missouri; the Putnam County Seat is Unionville, Missouri; and the Ralls County Seat is New London, Missouri.