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ORD's PM Assessment Advances, Sidestepping Air Office Official's Influence

September 10, 2018
EPA's Office of Research and Development (ORD) is completing work on the scientific document that will form the basis of the agency's review of its air quality standards for particulate matter (PM) after brushing aside efforts by a top air office political appointee who sought to raise doubts about the science, a departure from the usual process, EPA and other sources say. During a briefing on the Integrated Science Assessment (ISA) for air office appointees, the official questioned whether ORD...


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