EnglishEnglishEspañolPortuguêsFrançaisItalianoSvenskaDeutschHome pageQuestions and answersStatisticsDonationsContactChemicals and Drugs1Hazardous SubstancesHealth Care3Chemical Hazard ReleaseRadioactive Hazard ReleaseOccupational ExposureFilter...Chemicals and DrugsHealth CareSelect a category...Chemical Hazard ReleaseHazardous SubstancesRadioactive Hazard ReleaseOccupational ExposureChemical Hazard ReleaseUncontrolled release of a chemical from its containment that either threatens to, or does, cause exposure to a chemical hazard. Such an incident may occur accidentally or deliberately.Hazardous SubstancesElements, compounds, mixtures, or solutions that are considered severely harmful to human health and the environment. They include substances that are toxic, corrosive, flammable, or explosive.Radioactive Hazard ReleaseUncontrolled release of radioactive material from its containment. This either threatens to, or does, cause exposure to a radioactive hazard. Such an incident may occur accidentally or deliberately.Occupational ExposureThe exposure to potentially harmful chemical, physical, or biological agents that occurs as a result of one's occupation.