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

Hutchinson County, Texas; Irion County, Texas; and Jack County, Texas.  The Hutchinson County Seat is Stinnett, Texas; the Irion County Seat is Mertzon, Texas; and the Jack County Seat is Jacksboro, Texas.