EPA Signs Proposed Rule to Revise National Ambient Air Quality Standards for Particulate Matter
Print PDFDecember 22, 2005
On December 20, the U.S. Environmental Protection Agency (EPA) signed a proposed rule to revise the National Ambient Air Quality Standards (NAAQS) for Particulate Matter (PM). Comments on the proposed rule are due 90 days after publication of the proposal in the Federal Register. Public hearings will be held in Chicago, Philadelphia, and San Francisco in February 2006. A separate Federal Register notice will be issued to announce the dates and times of the hearings.
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