The U.S. Consumer Product Safety Commission (CPSC), U.S. Environmental Protection Agency (EPA), U.S. Department of Housing and Urban Development (HUD), Centers for Disease Control and Prevention (CDC), Agency for Toxic Substance and Disease Registry (ATSDR), and numerous state departments of health have been working together to investigate and analyze how Chinese made drywall entered into the country, where it was used, what is in it, and what impact it may have on human health and corrosion of electrical and metal components.More on the CPSC's investigation of Chinese drywall