Science Advisors Warn EPA Over Precedent Of Narrow PM Reconsideration

Top EPA science advisors are expressing concern that by focusing its reconsideration of Trump-era particulate matter (PM) standards narrowly on new science showing particulate emissions “cause” death through cardiovascular damage, EPA might set a harmful precedent limiting the scope of future reviews. During a Nov. 18 and 19 discussion of EPA’s supplemental science assessment supporting the reconsideration, several members of the Clean Air Scientific Advisory Committee (CASAC) special panel on PM standards worried that by limiting its reconsideration to only...