Environmentalists sue EPA over North Carolina SSM waiver

Environmental groups are suing EPA over its approval of a North Carolina air quality plan that includes Clean Air Act waiver provisions for emissions limit violations during industry during periods of facility startup, shutdown or malfunction (SSM), adding to the groups’ legal challenges to approvals of similar plans in other states. Sierra Club, Natural Resources Defense Council, Clean Air Carolina, and Environmental Integrity Project filed suit June 29 in the U.S. Court of Appeals for the District of Columbia Circuit,...