Apache County, Arizona, Air Pollution Sources

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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 Apache County, Arizona, and

Cochise County, Arizona, give the percentage contributions from specific air pollution sources.  The Apache County Seat is Saint Johns, Arizona, and the Cochise County Seat is Bisbee, Arizona.