Grant County is conducting a household hazardous waste disposal event this Saturday at the County Road District 2 shop on Wheeler Road near Moses Lake. Hours are 9:00 a.m. until 3:00 p.m. Only hazardous waste generated by households will be accepted. Those items include oil-based paints, paint thinners and solvents, household chemicals and items with mercury including CFL light bulbs and thermometers. Items such as used motor oil, propane tanks and auto batteries are prohibited.