Tighter PM2.5 Limit Would Cause Major Implementation Hurdles, Experts Say

An industry attorney and some state officials are expecting extensive difficulties for industry permit applicants and state air regulators if EPA were to significantly tighten federal air quality standards for fine particulate matter (PM2.5), including widespread nonattainment, as well as problems with air quality modeling, monitoring and treatment of wildfire smoke. Speaking Oct. 12 during a virtual event hosted by the Air and Waste Management Association (A&WMA), attorney Joseph Stanko, a partner with Hunton Andrews Kurth, said there would be...