Asbestos-containing material (ACM) can be present in commercial, governmental, educational, and even residential environments. Because ACM cannot be differentiated from non-asbestos materials using only the naked eye, professional sampling and analysis is required to confirm its presence or absence.
For centuries, lead has been used in various building materials to increase its durability and its aesthetic appearance. In modern times, lead has been a component of paints, varnishes, lined drywall materials, and ceramic glazes. But now it is recognized as a serious potential health hazard, especially when the material begins to peel, flake, or delaminate, or when it is removed in an uncontrolled manner.
The evaluation and control of mold is not always straightforward. While mold growths may be plainly visible on exposed surfaces, growths may also be hidden in wall cavities, in carpet, or on the backside of furniture or wall coverings. Before mold can be effectively remediated, the source of the moisture intrusion(s) must be identified; and this requires knowledge of the unseen framework of the building construction.