The Risk Assessment Information System

Step 3: Toxicity Assessment

  • Hazard Identification
    determines whether exposure to a chemical can increase the incidence of a particular adverse health effect and the likelihood of occurrence in humans.

  • Dose-response assessment
    presents the relationship between the magnitude of exposure and adverse effects. For example, the length of time (magnitude of exposure) you stay in the sun without protection is directly related to the severity of sunburn (adverse health effect) you receive.

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