What materials are considered hazardous?
Hazardous materials include: paint, oil, chemicals, petroleum products, asbestos, gardening products, automotive fluids, batteries, household cleaning products, medicines, light bulbs. There is an extra charge for tires. To dispose of hazardous waste see California Integrated Waste Management Board, or contact your city to see if they offer hazardous waste disposal. Define inert materials. Inert materials include dirt, concrete, rock, sand, stucco, tile, brick, cinder block, asphalt, rebar, metal, etc.