What is required for a clearance test in every room worked during lead remediation?

In the context of lead remediation, a clearance test is a critical step ensuring that a space is safe for re-occupancy after lead hazards have been addressed. The understanding in lead hazard management is that all surfaces must be tested to confirm that lead dust levels are below allowable limits. This comprehensive testing includes walls, floors, windows, and other surfaces that may have been disturbed during the remediation process.

The requirement for testing all surfaces is rooted in the possibility that lead dust could settle on various types of surfaces throughout the area, not just those that are frequently contacted. By focusing solely on high-contact areas, as suggested in the chosen answer, one might miss residual lead contamination that could be present on less frequently touched surfaces or in corners and other areas that are not typically involved in daily activities.

Therefore, the correct approach is that all surfaces must be tested to ensure thorough safety and compliance with regulatory standards, reflecting a complete assessment of the area worked on during lead remediation.