Lower explosive limit

Hazards

• The minimum concentration of a flammable gas or vapor in air capable of propagating flame.

Controls

• Use calibrated monitoring and keep concentrations below applicable action limits through elimination, isolation, and ventilation.

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 calibrated monitoring and keep concentrations below applicable action limits through elimination, isolation, and ventilation.

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