Equipment and materials used in construction activities can expose workers to toxic contaminants like CO, H2S, NO2, solvents and other VOC vapors. Construction activities can also involve working in and around confined spaces. Using the correct portable gas detector is vital to the safety of construction workers. This webinar provides an overview of gas detection issues for construction, including the requirements of OSHA 1926 Subpart AA, “Confined Spaces in Construction.” These essential sales and safety issues are addressed from the standpoint of construction workers, employers, contractors, and emergency responders.