San Luis Obispo County, California, 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

San Luis Obispo County, California, give the percentage contributions from specific air pollution sources.  The San Luis Obispo County Seat is San Luis Obispo, California.