The D.C. Circuit held that on remand EPA must explain how the risk assessments it used in exempting certain recycled zinc fertilizer products from regulation under RCRA compare with the risk…

The court largely upholds the U.S. Environmental Protection Agency's (EPA's) determination that Subtitle C of the Resource Conservation and Recovery Act (RCRA) does not apply to recycled…

The court vacates a portion of a U.S. Environmental Protection Agency (EPA) regulation in which it determined that oil-bearing wastewaters generated by the petroleum refining industry are solid…

The court denies a petition for review of a final determination by the U.S. Environmental Protection Agency (EPA) not to add 14 solvent wastes to its list of hazardous wastes under Subtitle C of…

The court refuses to approve a proposed consent decree requiring the U.S. Environmental Protection Agency (EPA) to issue a notice of proposed revisions to its hazardous waste identification rule…

The court holds moot challenges to the mixture and derived-from rules that the U.S. Environmental Protection Agency (EPA) issued under the Resource Conservation and Recovery Act (RCRA), holds moot…

The court upholds the U.S. Environmental Protection Agency's (EPA's) decision not to list used oil from gasoline-powered engines that is destined for disposal as hazardous waste under…

The court holds that the U.S. Environmental Protection Agency (EPA or the Agency) failed to justify application of its toxicity characteristic rule to mineral processing and electric utility…