Subject Agency for Toxic Substances and Disease Registry (ATSDR), as an agency of the U.S. Department of Health and Human Services Click to Open URL http://www.atsdr.cdc.gov/toxfaq.html Host URL for this Link http://www.atsdr.cdc.gov Site Information The mission of the Agency for Toxic Substances and Disease Registry (ATSDR), as an agency of the U.S. Department of Health and Human Services, is to prevent exposure and adverse human health effects and diminished quality of life associated with exposure to hazardous substances from waste sites, unplanned releases, and other sources of pollution present in the environment. Categories Hazardous Materials Sub-Category Government Resources Type Link Extension External Web Page Switch View to Show ALL Sub-Categories at once Switch View to Show Sub-Categories One at a time