You must provide hearing protection when required by chapter 296-817 WAC, Hearing loss prevention (noise).
Wash. Admin. Code § 296-54-51130
Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. 03-11-060, § 296-54-51130, filed 5/19/03, effective 8/1/03. Statutory Authority: RCW 49.17.010,[49.17].040 and [49.17].050. 99-17-117, § 296-54-51130, filed 8/18/99, effective 12/1/99.