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SAB Members Mull Asking EPA To 'Ground Truth' Air Toxics Rule Reviews

December 06, 2017
EPA Science Advisory Board (SAB) members are mulling recommendations over the extent to which the agency should “ground truth” its risk screening methods used to review existing air toxics rules, fearing EPA may be using overly conservative assumptions that increase its workload by suggesting a need for further analyses. On a conference call Dec. 5, an SAB panel debated its draft response to EPA's request for the advisers to assess its upgraded screening method. EPA uses the method in its...

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