Caltrans is celebrating Earth Day with a free Dump Day event tomorrow. No construction materials, business waste, hazardous waste, e-waste, treated wood waste, or asbestos of any type will be accepted. The following locations in Lake and Mendocino counties will be open to accepting specific items; the Ukiah Railroad Depot Lot, accepting tires only, 237 E. Perkins, Entrance on East Clay Street off Main Street. The C & S Waste Transfer Station, accepting tires, mattresses, and furniture only, 230 Soda Bay Road, Lakeport. The SLRR Recycling Center, accepting tires, mattresses, and furniture only, 16015 Davis St., Clearlake. Hours are from 10 am to 2 pm or until capacity is reached at each site.