Accurate health risk assessment
Human health risk assessment (HRA) is a process intended to estimate the risk to a population from exposure to a substance of concern. The process considers the type and composition of the substance, it’s potential to harm, the way in which people may be exposed (such as through direct exposure, inhalation of air or food and water consumption), how long people are exposed and how much they might be exposed to. The quality of a health risk assessment is dependent on the accuracy of the information available on all these matters.
The process needs to consider all substances that people are exposed to and how they interact. A good quality HRA will also clearly identify any uncertainties, assumptions and limitations considered during the assessment process. High uncertainty is associated with more precautionary risk management.