WES review - Immediately dangerous to life or health notation

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This document is about a new notation for ‘immediately dangerous to life or health’ (IDLH) in the workplace exposure standards (WES).  

An IDLH notation will indicate an airborne chemical concentration that can either: 

  • cause death  

  • cause immediate or delayed permanent adverse health effects to a worker 

  • impede a worker’s escape from such an environment. 

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Guidance materials

Tags:

Hazardous chemicals
Managing health and safety
The work environment
Workplace exposure standards for chemicals