When any work is performed in a confined space, except as provided in WAC 296-304-04001(2)(c), or when an employee is working alone in an isolated location, the employee must be checked, by sight or verbal communication:
Wash. Admin. Code § 296-304-06007
Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060, and chapter 49.17 RCW. 12-12-060, § 296-304-06007, filed 6/5/12, effective 8/1/12; Order 74-25, § 296-304-06007, filed 5/7/74.