User:Milton Beychok/Sandbox: Difference between revisions
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The [[U.S. Clean Air Act]], enacted by the [[U.S. Congress]] and last amended in 1990, required the [[U.S. Environmental Protection Agency]] (U.S. EPA) to set '''National Ambient Air Quality Standard (NAAQS)''' for air pollutants considered harmful to publis health and the environment. | |||
Revision as of 19:13, 22 June 2009
The U.S. Clean Air Act, enacted by the U.S. Congress and last amended in 1990, required the U.S. Environmental Protection Agency (U.S. EPA) to set National Ambient Air Quality Standard (NAAQS) for air pollutants considered harmful to publis health and the environment.