By Claire Bienvenu
On May 23, 2008, the Ninth Circuit vacated EPA’s rule exempting discharges of sediment resulting from oil and gas construction activities from National Pollutant Discharge Elimination System (NPDES) permit requirements. NRDC v. EPA, No. 06-73217 (9th Cir. 5/23/08). The Ninth Circuit found EPA’s rule, which was a codification of a recent exemption