Energy & environment · 27/01/2023
EPA Proposes Revisions to National Ambient Air Quality Standards for Particulate Matter
The Environmental Protection Agency (EPA) proposes to lower the primary annual particulate matter (PM) 2.5 standard and retain other standards, while revising key aspects related to the PM National Ambient Air Quality Standards (NAAQS).
Original source language: Federal Register — Environmental Protection AgencyOpen original release →