Agency for Toxic Substances and Disease Registry's Hazardous Substance Release/Health Effects Database (ATSDR-HazDat) (ATSDR-HazDat)

"HazDat", the Agency for Toxic Substances and Disease Registry's Hazardous Substance Release/Health Effects Database, is the scientific and administrative database developed to provide access to information on the release of hazardous substances from Superfund sites or from emergency events and on the effects of hazardous substances on the health of human populations.