Return to Washington Air Pollution Sources Homepage
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 Adams County, Washington, and |
Asotin County, Washington, give the percentage contributions from specific air pollution sources. The Adams County Seat is Ritzville, Washington, and the Asotin County Seat is Asotin, Washington. |