The regulated abatement work area shall be vacated by the occupants and non-certified personnel, prior to work area preparation, and shall remain vacated until satisfactory clearance air-sampling results have been achieved or the asbestos project is complete.

Entry to the regulated abatement work area shall be restricted to the asbestos contractors involved with the asbestos project, employees of the asbestos contractors, authorized visitors, and other public safety personnel. Police and fire officials may enter the work site and not be subject to this Part only on an emergency basis.

Asbestos warning signs, required as per current OSHA regulations shall be posted to restrict access to the regulated abatement work area at all locations and approaches to a location where airborne concentrations of asbestos may exceed ambient background levels. During Phase II A - D activities, signs shall be posted at locations such that persons may take the necessary protective measures to avoid potential exposure.