When should the final visual inspection of an asbestos removal site be completed?

The final visual inspection of an asbestos removal site should be completed after the barriers are removed. This timing is crucial because it allows inspectors to assess the area for any remaining asbestos particles or debris that may not have been adequately cleaned during the removal process. Once the barriers are taken down, exterior air quality can be evaluated, and the inspector can physically check surfaces, ducts, and other areas for cleanliness and any potential contamination. Conducting the visual inspection at this stage ensures that all safety standards have been met and that the site is safe for re-occupation.

In contrast, carrying out the visual inspection before barriers are erected would not provide an accurate assessment of the area post-removal. Inspecting during the removal process would also be ineffective, as the removal itself may still be ongoing, potentially leading to disturbed materials and false negatives in contamination checks. Thus, the methodical approach of inspecting after barriers are removed is essential for ensuring a thorough evaluation and a safe environment.