Section 25916 Of Chapter 10.4. Asbestos Notification From California Health And Safety Code >> Division 20. >> Chapter 10.4.

. If any construction, maintenance, or remodeling is conducted in an area of the building area where there is the potential for employees to come into contact with, or release or disturb, asbestos or asbestos-containing construction materials, the owner responsible for the performance of, or contracting for, any construction, maintenance, or remodeling in the area shall post that area with a clear and conspicuous warning notice. The posted warning notice shall read, in print which is readily visible because of its large size and bright color, as specified in either subdivision (a) or (b).
  (a) "CAUTION. ASBESTOS. CANCER AND LUNG DISEASE HAZARD. DO NOT DISTURB WITHOUT PROPER TRAINING AND EQUIPMENT."
  (b) "DANGER. ASBESTOS. CANCER AND LUNG DISEASE HAZARD. AUTHORIZED PERSONNEL ONLY. RESPIRATORS AND PROTECTIVE CLOTHING ARE REQUIRED IN THIS AREA."