Clean Air Act - Research Article from Pollution A to Z

This encyclopedia article consists of approximately 2 pages of information about Clean Air Act.
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Clean Air Act

The 1970 Clean Air Act (CAA), significantly amended in 1977 and again in 1990, regulates air pollution emissions from "stationary" sources (e.g., factories, smokestacks, etc.), mobile sources (e.g., motor vehicles), and certain "indirect" sources (e.g., highways, malls, parking lots, etc., that attract mobile sources to the location). Specified "criteria" pollutants such as sulfur dioxide, nitrogen oxide, carbon monoxide, particulates (i.e., soot, fly ash, etc.), and lead are directly regulated, as are "hazardous" air pollutants that the EPA determines are likely to cause death or serious physical injuries. Congress listed some 189 hazardous air pollutants in its 1990 amendments to the original law. Many of these hazardous air pollutants are fairly common chemicals, such as benzene, dry-cleaning solvents, and others that pose scientifically verifiable health dangers. Although it has long been a criteria pollutant, lead is now known to be especially dangerous to human health. The...

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This section contains 404 words
(approx. 2 pages at 300 words per page)
Buy the Clean Air Act Encyclopedia Article
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Pollution A to Z
Clean Air Act from Pollution A to Z. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.
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