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By Related Rule (WAC)

WISHA provides rule guidance to staff through two types of policies:

  1. WISHA Interim Operations and Interpretive Memoranda (WIIM)
  2. WISHA Regional Directives (WRD)

The WIIMs and WRDs do not:

  • Substitute for the rule or requirement referenced
  • Create additional obligations for employers

Policies related to Chapter 296-52, WAC.

WISHA policies in effect as of 5/6/2015. View all policies by Related WAC code.

Referenced WAC Policies

Explosives, safety standards for the possession and handling of
(Chapter 296-52, WAC)

Explosives Inspection Activities and Procedure (WRD 19.25)


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