The 4 steps of human health risk assessment after exposure. Figure from the U.S. EPA's "Conducting a Human Health Risk Assessment".
The American Industrial Hygiene Association (AIHA) has created a site which offers a variety of free e-tools to assist practitioners in enhancing their exposure assessment capabilities. These tools cover Data Collection, Basic Exposure Assessment Characterization, Preliminary/ Initial Exposure Assessment (Tier 1), Refined Assessment (Tier 2), and Refining/Validating the Exposure Assessment.
Guide prepared by P. Zannetti (11/2022). For corrections or expansions please contact us.