As part of a discretionary reconsideration of a final 2020 decision regarding the fine particulate (PM_(2.5)) National Ambient Air Quality Standard (NAAQS), EPA has lowered the current standard from 12.0 ug/m3 to 9.0 ug/m3. The final rule was published in the Federal Register on March 6,...
Chamber of Commerce v. EPA Challenge to EPA rule revising PM NAAQS Cases/ Energy and Environment/ Forum U.S. Court of Appeals for the D.C. Circuit Case Status Pending Docket Number 24-1051 Share Cookie Notice By clicking “Accept All”, you agree to the storing of cookies on your device...
EPA staff is advising the agency that it could plausibly retain its existing "secondary," or welfare-based national ambient air quality standards (NAAQS) for nitrogen oxides (NOx), sulfur oxides (SOx) and particulate matter (PM), but is ... S Parker - 《Inside Epas Environmental Policy Aler...
The evolution and development of the PM NAAQS, in particular, has been the subject of extensive oversight. During the 112thCongress, some Members expressed concerns in hearings, letters to the Administrator, and proposed legislation in anticipation of potential changes to the PM NAAQS, and the Jan...
The Utility Air Regulatory Group, the PM NAAQS Coalition, and the U.S. Chamber of Commerce filed a petition for review March 18 in the U.S. Court of Appeals for the District of Columbia Circuit. Also March 18, the Chamber of Commerce and the Utility Air Regulatory Group (UARG), ...