Asbestos Illegal in Garbage & Drains Hazardous Waste Special Instructions The West Contra Costa County Household Hazardous Waste Facility is not an asbestos disposal site for businesses. However, residents may dispose of incidental asbestos from homeowner projects for a one-time only basis, with the following requirements: Only up to three 32-gallon bags, all clearly labeled as “Asbestos”; Asbestos must be double bagged and wetted down; Bags may not be over 24” in length; and Each bag can only be 25 pounds or less. Harmful When It's Worn Down Damaged asbestos may release harmful fibers. If the asbestos fibers are torn or have abrasions or water damage, call a professional to remove the material. Find out how to stay safe. Let Professionals Remove It Don’t disturb or attempt to remove asbestos on your own. Allow only a trained and accredited asbestos professional to remove them. Keep Children Away Avoid spending time in a room that contains damaged asbestos. Clear children and pets from the room to keep them safe from asbestos fibers.