# | Federal Register |
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1 | - 1910.134(a) - 79:61383-61438 - Chemical Management and Permissible Exposure Limits (PELs) - PDF |
# | Regulations |
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1 | - - Respiratory protection. |
# | Standard Interpretations |
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1 | - 1910.134(a) - Facial hair and voluntary use of filtering facepiece respirators. |