Lawyers for Salina public entities have concluded mediation and are working toward finalizing a settlement with the federal government over cleaning up contamination at a former Air Force base.

Tim Rogers, executive director of the Salina Airport Authority, said Monday settlement negotiations are now under way and the sides have been working toward a consent decree, which would resolve the long-running case.

Officials from the city of Salina, the Salina Airport Authority, theSalina school district and Kansas State University-Salina filed a federal lawsuit in Kansas City, Kan., in 2010 over cleaning up pollution left decades ago at the former Schilling Air Force Base.

A joint status report on the lawsuit says the parties have agreed in principle to settle the case and have signed non-binding proposed settlement papers.

Tim Rogers, executive director of the Salina Airport Authority, said Monday settlement negotiations are now under way and the sides have been working toward a consent decree, which would resolve the long-running case.