Lynn L. Bergeson, “Compliance: Take a Closer Look at EPA’s New Air Quality Standards for Particulate Matter,” Chemical Processing, March 22, 2024.

On March 6, 2024, the U.S. Environmental Protection Agency (EPA) promulgated revised National Ambient Air Quality Standards (NAAQS) for particulate matter (PM). The final rule was signed on Feb. 7, 2024. New NAAQS standards are always controversial, and this one is no exception.