ELR Citation: 42 ELR 20064
No(s). 09-1269 (D.C. Cir. Jan 14, 2011)

The D.C. Circuit denied a petition challenging a magnesium plant's inclusion on the NPL. EPA uses a hazard ranking system (HRS) to determine whether to place a site on the NPL. Petitioners argued that EPA erred in calculating the HRS score and that if these errors were corrected, the site's ...