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Radon is a naturally occurring radioactive gas. The US Environmental Protection Agency (USEPA) was required by the 1986 Safe Drinking Water Act amendments to regulate radon in drinking water. A proposed maximum contaminant level (MCL) of 300 pCi/Lwater was published July 18, 1991. Since then, regulation of radon in drinking water has been the subject of continuing debate, congressional action, and, more recently, USEPA efforts to craft a proposed regulation. This article examines key issues in anticipation of USEPA's proposed rule. Includes 35 references, tables, figure.

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Edition: Vol. 91 - No. 5 Published: 05/01/1999 Number of Pages: 3File Size: 1 file , 670 KB