WHAT COUNTS AS A RISK ASSESSMENT VALUE?
In assessing the availability of risk assessment values that could be used for safety assessment, Scorecard counts all risk assessment values that have undergone sufficient scientific or administrative review to be used in regulatory risk assessments by either state or federal agencies. Scorecard’s complete set of risk assessment values are compiled from both EPA and other federal agencies (such as ATSDR), as well as state agencies. EPA risk assessment values are compiled from four major agency databases: the Integrated Risk Information System, the Health Effects Assessment Summary Tables, the Office of Pesticide Programs Reference Dose and Cancer Potency tracking systems, and the Superfund Chemical Data Matrix. Only one state, California, has made a major contribution to the development of risk assessment values for toxic chemicals. Note that risk assessment values are calculated for specific exposure routes (ingestion and inhalation). In evaluating whether a safety assessment can be
