It is well accepted within the medical community that mesothelioma is primarily caused by exposure to asbestos. Asbestos is a natural mineral made popular by its toughness, flexibility, and resilience to heat. Asbestos can be woven into most products and was typically found in brake pads, transit pipes and panels, plaster, insulation and a variety of other products.
Link to PDF - WSHB Update - Air Testing For Mold Deemed Unreliable By Centers For Disease Control