NAC618.907. Limitations on exposure of persons to asbestos; notice of excess levels in building; compliance with requirements.

     1. An occupant of a building may not be exposed to an 8-hour time-weighted-average of airborne asbestos fibers in excess of 0.01 asbestos fibers per cubic centimeter of air. The amount of fibers in the air must be determined using the field sampling protocol and analytical method set forth in Appendix A of Subpart E of 40 C.F.R. Part 763. An air sample volume of at least 600 liters must be sampled at a maximum flow rate of 10 liters per minute.

     2. If an owner of a building discovers that the quantity of airborne asbestos therein exceeds the level set forth in subsection 1, the owner shall post in a conspicuous place within the building or structure, including all entrances, a written notice to all occupants that the levels of airborne asbestos exceed the level set forth in subsection 1. The notice must be at least 8 inches by 11 inches in size and must consist of not less than 10 characters per inch in size. The owner shall immediately notify the Enforcement Section of the excess levels of asbestos.

     3. An owner of a building shall comply with the requirements for the communication of hazards set forth in 29 C.F.R. § 1910.1001(j) and 29 C.F.R. § 1926.1101(k).

     (Added to NAC by Dep’t of Industrial Relations, 12-19-89, eff. 1-1-90; A by Div. of Industrial Relations by R142-98, 2-28-2000)