|1||1987 - 03/20/1987 - Protection provided by powered air-purifying respirators.|
|2||1986 - 08/18/1986 - Hair where the mask edges meet the skin is not permitted for wearers of 30 minute positive pressure SCBA respirators.|
|3||1985 - 11/26/1985 - Facial hair in the face sealing area is unacceptable.|
|4||1984 - 10/11/1984 - Facial hair in the face sealing area is unacceptable.|
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