ELR Citation: ELR 20140
No(s). 09-1011 (D.C. Cir. May 14, 2010)

The D.C. Circuit denied a petition for review challenging EPA's revision of air quality criteria and NAAQS for lead. The revision was designed to provide, in light of recent science, the requisite protection of public health and welfare by revising the permissible level of lead in ambient air and re...