A regulatory condition where asbestos-containing materials are thoroughly saturated with water or a wetting agent prior to disturbance. This prevents harmful microscopic fibers from becoming airborne during demolition or abatement. Inspectors look for moisture penetrating the entire thickness of the material, not just a surface mist.
Heard on the job
The inspector shut the site down because the ceiling tiles weren't adequately wet before the crew started scraping them down.