Why might soil testing be conducted as part of a lead hazard assessment?

• A. To measure soil moisture levels around the foundation.
• B. To identify soil lead levels that could contribute to exposure, especially in play areas and around the foundation.
• C. To assess soil color as an indicator of hazards.
• D. To analyze soil texture for landscaping purposes.

Answer: (B)

Soil testing in a lead hazard assessment focuses on the amount of lead in soil, not on other soil properties. It helps identify whether soil contains lead at levels that could contribute to exposure, especially in areas where children play and are likely to put soil-covered hands in their mouths, and around the foundation where lead dust or paint debris can accumulate. If elevated lead is found, it informs decisions about remediation—such as removing or replacing contaminated soil, covering it with clean soil or mulch, or installing barriers to reduce contact and exposure. This direct link to potential exposure pathways is what makes soil testing essential in evaluating and managing lead hazards. Other soil measurements like moisture, color, or texture don’t indicate lead risk and aren’t used for assessing lead exposure.