Which of the following is not a component of lead risk assessment?

The correct choice highlights that an inventory of materials used is not a standard component of lead risk assessment. Lead risk assessments typically focus on evaluating potential exposure pathways, quantifying health risks, assessing environmental hazards, and effectively communicating those risks to stakeholders.

In a lead risk assessment, health quantification is essential as it involves understanding the potential health impacts of lead exposure, particularly in vulnerable populations like children. Environmental hazard evaluation is crucial for identifying contaminated sites and understanding the extent of lead presence in the environment. Communicating the risks ensures that affected parties are informed about the dangers and necessary precautions related to lead exposure.

While knowing the materials used can provide context, it does not directly inform the assessment of lead risks in the same manner as the other components do, which specifically aim to ascertain the health implications and environmental factors associated with lead. Thus, an inventory of materials, while potentially useful in other contexts, is not a core element of a lead risk assessment.