By Related 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 296-37, WAC.

WISHA policies in effect as of 3/25/2014. View all policies by Related WAC code.

Referenced WAC Policies

Commercial diving operations, standards for
(Chapter 296-37, WAC)

Diving Search & Rescue (WRD 32.15)
Commercial Diving Operations (WRD 22.85)
Enforcement guidance for the Longshoring Industry (WRD 22.95)


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