EPA To Curb Cement Plants' Mercury Emissions

Law360, New York (April 22, 2009, 12:00 AM EDT) -- The U.S. Environmental Protection Agency has proposed new rules that would drastically curb mercury emissions from cement kilns, the fourth-largest source of mercury air emissions in the U.S.

In addition to setting the nation's first limits on mercury emissions from existing Portland cement — the basic ingredient of concrete — kilns, the proposal seeks to strengthen limits for new kilns, the EPA announced Tuesday.

The new standards also set emission limits for total hydrocarbons, sulfur dioxide and particulate matter, including lead, arsenic and other toxic metals,...
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