Environmental Protection Agency
June 29, 2012 - 77 FR 38760 - RIN: 2060-AO47 - Download Full Notice: Text | PDF
In the Proposed Rules section of today's Federal Register, the EPA is proposing to revise the national ambient air quality standards (NAAQS) for particulate matter (PM). This action corrects a typographical error in one table contained in the preamble.
Agency Contact: Questions concerning the ``National Ambient Air Quality Standards for Particulate Matter'' proposed rule
This is a proposed regulation.
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