| # | Standard Interpretations |
|---|---|
| 1 | - 1910.134(g)(1)(ii) - Protection provided by powered air-purifying respirators. |
| 2 | - 1910.134(g)(1)(ii) - Hair where the mask edges meet the skin is not permitted for wearers of 30 minute positive pressure SCBA respirators. |
| 3 | - 1910.134(g)(1)(ii) - Facial hair in the face sealing area is unacceptable. |
| 4 | - 1910.134(g)(1)(ii) - Facial hair in the face sealing area is unacceptable. |
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