A district court granted the United States' motion to dismiss a Native American tribe's claims against it in connection with the government's remediation of a former uranium mill located on the Navajo Nation Reservation near Tuba City, Arizona. In 1985, the DOE and the tribe entered into a coop...

A district court modified its equitable allocation of costs under §113 of CERCLA and the New Jersey Spill Act in connection with a site contaminated with TCE and other hazardous substances. The court originally allocated 65% of costs to the plaintiffs, 32% to the defendants, and 3% to the federal g...

A district court held that mining companies violated the selenium effluent limitations set forth in their state-issued NPDES and surface mining permits. The companies had sought permit modifications from the state's environmental agency, and when those requests were denied, the companies appeal...

A district court, on cross-motions for summary judgment, upheld a DOI regulation requiring oil lessees to obtain drilling permits for development and production drilling but denied both motions as to a DOI regulation setting forth new requirements for drilling in the western Gulf of Mexico. Oil...

A district court dismissed property owners' CERCLA, RCRA, and CWA claims against the current owner of a contaminated site for damages caused by the migration of contamination onto their property. Each of the three federal statutes requires plaintiffs to provide the owner with particular notice of th...