As EPA Weighs Ozone NAAQS Redo, Groups Split Over PM Review Model

EPA is facing competing calls from stakeholders over whether it should follow the expedited approach the agency is using to redo the Trump EPA’s particulate matter (PM) limits should it decide to reconsider the prior administration’s decision to leave Obama-era ozone standards unchanged. Acting EPA air chief Joe Goffman told the Air and Waste Management Association’s annual conference June 14 that the agency still has not decided how it will address the Trump-era ozone national ambient air quality standards (NAAQS),...