Permissible exposure limit

Hazards

• A legally enforceable occupational exposure limit for a substance under a specified averaging period or ceiling.

Controls

• Use the applicable jurisdiction and substance rule, assess all routes, and apply stronger controls when required.

Personal protective equipment

• Select task-specific PPE only after hazards and higher-order controls have been evaluated.

Regional considerations

• Applicable law, permits, collective agreements, venue rules, and qualified-person decisions take precedence.

In practice

Use the applicable jurisdiction and substance rule, assess all routes, and apply stronger controls when required.

Explore related entries

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