Which of the following is the term for the population that may come into contact with contaminants?

• A. Receptor Populations
• B. Source
• C. Emission
• D. Pollution

Answer: (A)

In exposure assessment, the group that could be exposed to contaminants is called the receptor population. This term focuses on who might come into contact with or be affected by the contaminant through pathways like inhalation, ingestion, or dermal contact, whether they’re people, animals, or ecosystems. Understanding who the potential receptors are helps determine who might need protective measures, monitoring, or intervention.

The other terms describe what and where the contaminant comes from, not who could be exposed: the source is the origin of the contaminant; emission is the release of the contaminant into the environment; pollution is the presence of contaminants in the environment.