Alameda 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 Alameda County, California, and

Alpine County, California, give the percentage contributions from specific air pollution sources.  The Alameda County Seat is Oakland, California, and the Alpine County Seat is Markleeville, California.