CDPH Lead Inspector/Assessor California State Practice Exam

Which of the following is NOT one of the four soil abatement methods?

1. Soil removal and replacement

2. Soil cultivation (dilution)

3. Planting grass to cover soil

4. Paving with concrete or asphalt

The correct answer is: Planting grass to cover soil

Planting grass to cover the soil is indeed not categorized as one of the four soil abatement methods for lead contamination. Soil abatement methods primarily focus on direct actions to reduce lead levels in soil, such as removal or containment techniques. Soil removal and replacement entails excavating contaminated soil and substituting it with clean soil, effectively eliminating the lead source. Soil cultivation, or dilution, involves mixing contaminated soil with uncontaminated soil to lower the lead concentration. Paving with concrete or asphalt creates a barrier that prevents exposure to contaminated soil, thus reducing risks associated with lead exposure. In contrast, while planting grass may help in controlling erosion or providing ground cover, it does not directly address the contamination in the soil or actively reduce lead levels. It could contribute to a safer environment but is not classified as a formal abatement method like the others listed.