What protection factor applies to supplied air protection?

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Multiple Choice

What protection factor applies to supplied air protection?

Explanation:
Protection factor is a measure of how much a respirator lowers your exposure to contaminants. For a supplied-air respirator, the assigned protection factor is 100, meaning the air you breathe is about 1/100th of the contaminant level in the surrounding environment, assuming a properly functioning supply line and no leaks. This higher factor reflects that the air comes from a clean source rather than being drawn through filters from the ambient air. If the supply line or air quality is compromised, the actual protection can be less, but under normal conditions the standard value used is 100.

Protection factor is a measure of how much a respirator lowers your exposure to contaminants. For a supplied-air respirator, the assigned protection factor is 100, meaning the air you breathe is about 1/100th of the contaminant level in the surrounding environment, assuming a properly functioning supply line and no leaks. This higher factor reflects that the air comes from a clean source rather than being drawn through filters from the ambient air. If the supply line or air quality is compromised, the actual protection can be less, but under normal conditions the standard value used is 100.

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