Assigned protection factor

Hazards

• The workplace respiratory-protection level expected from a properly selected and used respirator class.

Controls

• Use it with measured concentration, hazard limits, fit, cartridge, oxygen, and program requirements.

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 it with measured concentration, hazard limits, fit, cartridge, oxygen, and program requirements.

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