(Leah Hogsten | Tribune file photo) This March 18, 2020 file photo shows Unified Fire Department, Rio Tinto and Utah Highway Patrol setting up a staging area in the parking lot of Saltair in response to a chemical spill at a warehouse following a 5.7 magnitude earthquake near Magna. Riverton City is exploring leaving the Unified Fire Department's taxing authority board and and contracting for Unified Fire services.