Douglas County, Minnesota, Air Pollution Sources B

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Abstract: The Environmental Protection Agency (EPA) compiles data on emission tonnages of air pollutants for US counties.  US Air Quality Gradebook ("AirGrades") source sheets such as this one for Douglas County, Minnesota, and

Faribault County, Minnesota, give the percentage contributions from specific air pollution sources.  The Douglas County Seat is Alexandria, Minnesota, and the Faribault County Seat is Blue Earth, Minnesota.