During the inspection, which area is NOT typically included for visual inspection?

Visual inspections for asbestos are generally comprehensive and focus on areas that may contain asbestos-containing materials. While the other specified areas—crawl spaces, air plenums, and mechanical rooms—are typically included in inspections due to the likelihood of encountering asbestos in those spaces, closed offices are often less included in the visual inspection process.

Closed offices may not be inspected visually because they can be less accessible or due to privacy concerns. Asbestos might not be present in those spaces, especially if they have modern renovations and materials that do not contain asbestos. Inspection protocols often prioritize spaces where the likelihood of asbestos presence is higher or where conditions are conducive to potential disturbance during renovation or maintenance activities. Thus, the less frequent inclusion of closed offices during visual inspections is consistent with maintaining effectiveness and focusing efforts on higher-risk areas.