Class I, II and III asbestos work; also all other operations where PEL is or may reasonably be exceeded
Demarcated in any effective manner; critical barriers or negative pressure enclosures may be used; signs must be provided
Access limited to persons authorized by the employer or the OSH Act
Respirators to be provided based on (h)(2)
No eating, drinking, smoking, chewing tobacco or gum, or application of cosmetics
Work within regulated areas supervised by competent person