CDPH Lead Inspector/Assessor California State Practice Exam

Which abatement method requires all seams and edges to be sealed to provide a "dust-tight" system according to HUD Guidelines?

1. Encapsulation

2. Enclosure

3. Remove and Replace

4. Wet Methods

The correct answer is: Enclosure

The abatement method that requires all seams and edges to be sealed to provide a "dust-tight" system according to HUD Guidelines is enclosure. This method involves constructing a barrier around the lead-containing material, effectively isolating it from the living environment. The necessity to seal all seams and edges is crucial to prevent the escape of lead dust from the enclosed space, ensuring that any potential exposure is minimized. Properly executed, this approach protects occupants by containing any lead hazards, mitigating risks associated with lead exposure. Encapsulation, while also a method of lead abatement, does not require the same extensive structural sealing process as enclosure. Remove and Replace involves physically taking out lead-containing materials, and wet methods refer to techniques used to minimize dust during lead paint removal but do not pertain to sealing edges and seams. Thus, the requirement for a "dust-tight" system specifically aligns with the practices established for the enclosure method.