Advocates Urge CASAC To Back Stricter PM2.5 Limits Than EPA Staff Advice

November 18, 2021
Environmental and public health advocates are pressing EPA’s Clean Air Scientific Advisory Committee (CASAC) to support tougher fine particulate matter (PM2.5) annual and daily limits, going beyond EPA staff recommendations to tighten the annual limits, although industry groups are again criticizing the science as inadequate to support this. In the first of a series of meetings convened to oversee EPA’s reconsideration of the Trump-era decision to retain PM standards that date from 2012, CASAC’s special PM review panel Nov. 17...

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