WAC 296-817-20025   Make sure warning signs are posted for areas where noise levels equal or exceed 115 dBA.  

     You must:

     • Make sure warning signs are posted at the entrances or boundaries of all well-defined work areas where employees may be exposed to noise that equals or exceeds 115 dBA (measured using a sound level meter with slow response).

     – Warning signs must clearly indicate that the area is a high noise area and that hearing protectors are required.



[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. 03-11-060, § 296-817-20025, filed 5/19/03, effective 8/1/03.]