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