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

Garfield County, Utah; Grand County, Utah; and Iron County, Utah.  The Garfield County Seat is Panguitch, Utah; the Grand County Seat is Moab, Utah; and the Iron County Seat is Parowan, Utah.