Baltimore County will collect household hazardous waste items from 9 a.m. to 2 p.m. Sunday at the Baltimore County Resource Recovery Center on Warren Road in Cockeysville. County residents may dispose of paints, motor oil, antifreeze, gasoline, cleaning solvents, pesticides, herbicides, fertilizers, swimming pool chemicals, rechargeable batteries, mercury thermometers, fluorescent light bulbs, fireworks, ammunition and other household hazardous wastes. Staff from the county Department of Environmental Protection and Resource Management will process the chemicals and distribute educational materials. The agency also operates a seasonal household hazardous waste collection facility in cooperation with the Department of Public Works at the Eastern Sanitary Landfill at 6259 Days Cove Road in White Marsh. This facility is open from 7:30 a.m. to 3:30 p.m. Mondays through Saturdays, April through November. For more information, call 410-887-4488, ext. 309.