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

Gage County, Nebraska; Garden County, Nebraska; and Garfield County, Nebraska.  The Gage County Seat is Beatrice, Nebraska; the Garden County Seat is Oshkosh, Nebraska; and the Garfield County Seat is Burwell, Nebraska.