June 05, 2018
The D.C. Circuit on Monday said it won't rethink its recent decision backing the U.S. Environmental Protection Agency's addition of the entire Bonita Peak Mining District in Colorado to the federal Superfund list, rejecting a request by mining company Sunnyside Gold Corp. to do so.
April 20, 2018
Sunnyside Gold Corp. urged the D.C. Circuit on Thursday to rethink a panel decision backing the U.S. Environmental Protection Agency's addition of the entire Bonita Peak Mining District in Colorado to the federal Superfund list, saying the opinion conflicts with the court's precedent and is "inviting agency abuse and overreach in listing decisions."
March 06, 2018
The D.C. Circuit on Tuesday rejected Sunnyside Gold Corp.'s challenge to the U.S. Environmental Protection Agency's addition of the entire Bonita Peak Mining District in Colorado to the federal Superfund list, a move that facilitated funding to clean up contamination in an area including the location of the Gold King Mine disaster.
February 20, 2018
A D.C. Circuit panel pressed the U.S. Environmental Protection Agency in oral arguments Tuesday to justify the reasoning underlying its placement of sites in Indiana and Colorado on the federal Superfund list, with the judges expressing doubt about agency efforts to show connections between two aquifers.