Dallas County, Iowa, 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 Dallas County, Iowa, and

Davis County, Iowa, give the percentage contributions from specific air pollution sources.  The Dallas County Seat is Adel, Iowa, and the Davis County Seat is Bloomfield, Iowa.