The Department of Justice (DOJ), on behalf of the Navy and EPA, is asking a federal court to dismiss a lawsuit filed by an environmental justice (EJ) group over the troubled cleanup of radiological and other contamination at the former Hunters Point Naval Shipyard (HPNS) site in San Francisco, arguing the claims are either unripe, barred or moot. “The challenges to remedial actions -- pleaded as violations of nondiscretionary duties under [the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)],...