Question: what are examples of indoor chemical hazards?
Answer: Asbestos. used in insulation. causes cancer.
Radon. colorless, oderless, highly toxic radioactive gas. causes lung cancer.
Volatile Organic Compounds (VOCs) Released into air from plastic, perfume, pesticide. ... 
Carbon Monoxide. Colorless and odorless gas.
Lead. In air, drinking water, soil, paint and dust.