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

Dunn County, North Dakota; Eddy County, North Dakota; and Emmons County, North Dakota.  The Dunn County Seat is Manning, North Dakota; the Eddy County Seat is New Rockford, North Dakota; and the Emmons County Seat is Linton, North Dakota.