What is the likelihood of lead dust exposure when high levels of lead-based paint (LBP) are present?

The likelihood of lead dust exposure is significantly increased when high levels of lead-based paint (LBP) are present. Presence of lead-based paint, especially in older homes, creates a situation where the paint can deteriorate due to wear and tear or due to environmental factors, leading to the creation of lead dust. This dust can then contaminate surfaces and be inhaled or ingested, especially by children who are more vulnerable to lead exposure.

The choice indicating that the likelihood is twice as high is grounded in research that shows a direct correlation between high levels of LBP and increased risk of lead dust presence. This understanding emphasizes the importance of risk assessments and lead hazard control measures in environments where lead-based paint is present. The other choices suggest either a lesser increase or no change at all, which undermines the well-documented hazards associated with lead dust in the context of high levels of lead-based paint.