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EPA Staff Call For Stricter PM2.5 NAAQS Poses Test For Trump’s Agenda

September 05, 2019
EPA staff’s just-released policy assessment (PA) detailing options for revising particulate matter (PM) ambient air standards recommends tightening the limits for fine particulate matter (PM2.5), posing a test for President Donald Trump’s deregulatory agenda as stricter standards would impose more onerous air controls on industry. In the draft PA document released Sept. 5, staff suggest tightening the primary health-based PM2.5 national ambient air quality standard (NAAQS) from the 2012 limit of 12 micrograms per cubic meter (ug/m3) down to a...


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