Some common household items contain mercury including old thermometers. Mercury containing items should not be discarded as trash. Bring a mercury - containing fever thermometer to the HHW Depot and receive a new solar powered thermometer for free. The HHW Depot is open Tues., Weds., Thurs., 8:00 a.m. - 3:00 p.m. The Thermometer Exchange will also be available during the HHW rural runs to District and SWAC transfer stations . If you have any questions contact Peter Tyminski, Household Hazardous Waste Specialist at 770-1333.