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

Comal County, Texas; Comanche County, Texas; and Concho County, Texas.  The Comal County Seat is New Braunfels, Texas; the Comanche County Seat is Comanche, Texas; and the Concho County Seat is Paint Rock, Texas.