The La Mesa Chamber of Commerce will host a free electronic waste collection event on Saturday and Sunday, Jan. 12 and 13 at Grossmont Center, 5500 Grossmont Center Dr., in La Mesa. Between the hours of 9 a.m. and 4 p.m., unwanted e-waste items can be discarded at the mall between Chuze Fitness and Fuddruckers restaurant. Accepted e-waste items can include computer monitors, television sets, PC systems, printers, laptops, copiers, fax machines and toner cartridges. A $5 charge will apply to microwave ovens. Items not accepted include refrigerators, washing machines, dryers, fluorescent light bulbs and household batteries. For more information, visit www.LaMesaChamber.com.