Missouri could see tighter lead monitoring

Thursday, December 24, 2009 | 11:49 a.m. CST

ST. LOUIS — A new proposal by federal environmental regulators could mean a near doubling of lead monitors gauging air quality in Missouri.

The U.S. Environmental Protection Agency said Wednesday it was proposing to lower the threshold for sites needing air monitoring. The switch would be from sites emitting 1 ton of lead per year to sources spewing more than a half ton per year.

The St. Louis Post-Dispatch reported Thursday that would mean Missouri would have to install new monitors at two power plants, a cement plant and an ore mill.

Tougher federal air quality rules for lead last year required adding five new air monitors in Missouri.

But citizen demands to make standards more stringent prompted EPA's move Wednesday.


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