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Clean Air Act / National Ambient Air Quality Standards / Dust / Maricopa County /  Arizona / Apache Junction /  Arizona / Phoenix metropolitan area / Maricopa Association of Governments / Air pollution / Leaf blower / Air pollution in the United States / Arizona / Environment


THE CLEAN AIR ACT The Clean Air Act (CAA) was established in 1990 to address the nation’s problems with air pollutants. Through the CAA, the Environmental Protection Agency (EPA) set primary and secondary standards for
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Document Date: 2013-07-30 16:25:06


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