HEPA filter

Hazards

• A high-efficiency particulate air filter meeting a defined particle-removal performance.

Controls

• Select it for the contaminant and respirator or ventilation system, inspect seals, and replace under the approved schedule.

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

Select it for the contaminant and respirator or ventilation system, inspect seals, and replace under the approved schedule.

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