Which surfaces are typically tested after abatement to verify clearance?

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Multiple Choice

Which surfaces are typically tested after abatement to verify clearance?

After abatement, you want to verify that the surfaces where lead dust tends to settle have been cleaned to acceptable levels. The test plan focuses on interior dust-prone areas, especially floors, interior window troughs and sills, and other surfaces where dust can accumulate. These wipe samples show whether the cleaned environment meets the established clearance standards. Other options miss the point because testing only ceilings wouldn’t capture the common dust surfaces people touch or that trap dust, exterior surfaces aren’t part of interior clearance testing, and soil around the foundation is not part of interior clearance—it’s addressed separately if exterior conditions are involved.

After abatement, you want to verify that the surfaces where lead dust tends to settle have been cleaned to acceptable levels. The test plan focuses on interior dust-prone areas, especially floors, interior window troughs and sills, and other surfaces where dust can accumulate. These wipe samples show whether the cleaned environment meets the established clearance standards.

Other options miss the point because testing only ceilings wouldn’t capture the common dust surfaces people touch or that trap dust, exterior surfaces aren’t part of interior clearance testing, and soil around the foundation is not part of interior clearance—it’s addressed separately if exterior conditions are involved.

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