Post-Abatement Clearance and Air Monitoring

Post-Abatement Clearance Air Monitoring. Post-abatement clearance air monitoring requirements are as follows:

Sampling shall not begin until a visual inspection confirms that all containerized waste has been removed from work and holding areas and there is no visible ACM debris or residue on or about all abated surfaces; and Sampling shall not begin until at least 1 hour after the area is dry from the third cleaning (see §1-112(e)) and no visible pools of water or condensation remain.

For pre-demolition asbestos abatement activity, sampling may begin 1 hour after the area is dry and no visible pools of water or condensation remain.