Agency for Toxic Substances and Disease Registry (ATSDR), an agency of the U.S. Department of Health and Human Services, charged with performing specific functions concerning the effect on public health of hazardous substances in the environment. These functions include public health assessments of waste sites, health consultations concerning specific hazardous substances, health surveillance and registries, emergency responses to release of hazardous substances, applied research in support of public health assessments, information development and dissemination, and education and training concerning hazardous substances.
