Delaware County’s Clean Sweep 2018 hazardous waste collection event is scheduled for October 19 for businesses and October 20 for residents. Clean Sweep provides a safe disposal venue by collecting chemicals and other materials which pose a threat to public health, water and environment. Advance registration is required and the deadline is October 15. Call (607) 865-6474 or log on to cleansweepdelaware.eventbrite.com.