[FONT=trebuchet ms,arial,helvetica]OSHA's requirement 29 CFR 1901.134 (g)(1) Facepiece seal protection. (i) The employer shall not permit respirators with tight-fitting facepieces to be worn by employees who have: (A) Facial hair that comes between the sealing surface of the facepiece and the face or that interferes with valve function; [/FONT]
[FONT=trebuchet ms,arial,helvetica]ANSI Z88.2-1992 7.5.1 Facial Hair A respirator, either positive or negative pressure, equipped with a facepiece (tight or loose fitting) shall not be worn if the facial hair comes between the facepiece and the face or if facial hair interferes with valve function. [/FONT]
[FONT=trebuchet ms,arial,helvetica]NFPA 1500 5-3.9 A growth of beard or facial hair at any point where the SCBA facepiece is designed to seal with the face, regardless of the specific fit test measurement that can be obtained, or hair that could interfere with the facepiece valve function shall be prohibited for members required to use SCBA[/FONT]