Asbestos
Asbestos is a mineral fiber that has been used commonly in a variety of building construction materials for insulation and as a fire-retardant. Inhaling microscopic asbestos fibers can cause significant health problems.

Lead
Lead is a highly toxic metal used for many years in products in and around homes. Lead’s adverse health effects range from behavioral problems and learning disabilities to seizures and death.

mold
Mold may begin growing indoors when mold spores land on surfaces that are wet. Molds produce allergens, irritants, and in some cases, potentially toxic substances.

radon
Radon is a naturally occurring radioactive gas found in soils, rock, and water throughout the U.S. Radon causes lung cancer, and is a threat to health because it tends to collect in homes, sometimes to very high concentrations.

wood-destroying organisims / insects
Wood destroying insects and organisms are a concern in any home with a wooden structure or components. Failure to properly identify and deal with the presence of WDO and WDI can lead to damage to the structure and other wooden components of the house and create the need for expensive repairs.