Lead abatement is necessary when exposure risk becomes:

Lead abatement is essential when the exposure risk becomes significant because it indicates that there is a substantial possibility of lead being present at hazardous levels, which can pose serious health risks, particularly to vulnerable populations like children and pregnant women. When lead exposure is significant, the potential for lead poisoning increases, necessitating prompt action to remediate the source of lead contamination to protect public health.

In contrast, moderate, minimal, or unlikely exposure risk levels may not trigger the immediate need for abatement measures. Risks categorized as moderate may still warrant monitoring or management rather than full-scale abatement, while minimal or unlikely suggests that the exposure levels are low enough that corrective actions may be unnecessary at that moment. However, in the case of significant exposure risk, regulatory guidelines and best practices dictate that a proactive approach through lead abatement is crucial to reduce harmful health impacts associated with lead exposure.