Regulation
Public Hearing for the Review of the National Ambient Air Quality Standards for Particulate Matter
The Environmental Protection Agency (EPA) is announcing that a virtual public hearing will be held for the proposed action titled, “Review of the National Ambient Air Quality Standards for Particulate Matter,” which was signed on April 14, 2020. The hearing will be held May 20 and 21, 2020. Based on its review of the air quality criteria and the national ambient air quality standards (NAAQS) for particulate matter (PM), the EPA is proposing to retain both the primary and secondary PM standards, without revision.