#	Standard Interpretations
1	05/09/2016 - 1910.134(g)(1) - Facial hair and respirator fit
2	09/20/1995 - 1910.134(g)(1) - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
3	01/18/1984 - 1910.134(g)(1)(i) - Workers cannot sign a release so they can wear a respirator with a beard.
4	10/11/1984 - 1910.134(g)(1)(i) - Facial hair in the face sealing area is unacceptable.
5	10/11/1984 - 1910.134(g)(1)(ii) - Facial hair in the face sealing area is unacceptable.
6	10/11/1984 - 1910.134(g)(1)(iii) - Facial hair in the face sealing area is unacceptable.
7	11/26/1985 - 1910.134(g)(1)(i) - Facial hair in the face sealing area is unacceptable.
8	11/26/1985 - 1910.134(g)(1)(ii) - Facial hair in the face sealing area is unacceptable.
9	11/26/1985 - 1910.134(g)(1)(iii) - Facial hair in the face sealing area is unacceptable.
10	08/18/1986 - 1910.134(g)(1)(i) - Hair where the mask edges meet the skin is not permitted for wearers of 30 minute positive pressure SCBA respirators.
11	08/18/1986 - 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.
12	08/18/1986 - 1910.134(g)(1)(iii) - Hair where the mask edges meet the skin is not permitted for wearers of 30 minute positive pressure SCBA respirators.
13	03/20/1987 - 1910.134(g)(1)(i) - Protection provided by powered air-purifying respirators.
14	03/20/1987 - 1910.134(g)(1)(ii) - Protection provided by powered air-purifying respirators.
15	03/20/1987 - 1910.134(g)(1)(iii) - Protection provided by powered air-purifying respirators.
16	07/27/1993 - 1910.134(g)(1)(i) - Use of the Racal "Breath-Easy 6" powered air purifying respirator with beards.
17	09/20/1995 - 1910.134(g)(1)(i) - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
18	09/20/1995 - 1910.134(g)(1)(i)(A) - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
19	09/20/1995 - 1910.134(g)(1)(i)(B) - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
20	03/07/2003 - 1910.134(g)(1)(i) - Beards may not interfere with face seal;alternative respirators for bearded employees.
21	04/01/2011 - 1910.134(g)(1)(i)(A) - Clarification on firefighters with facial hair who enter IDLH atmospheres and use a self-contained breathing apparatus.
22	05/09/2016 - 1910.134(g)(1)(i)(A) - Facial hair and respirator fit
23	12/23/1998 - 1910.134(g)(1)(iii) - Clarification of respirator costs, annual training, and "effective" seal checks.
24	06/12/2002 - 1910.134(g)(1)(iii) - Fit testing and medical monitoring requirements for wearers of filtering facepiece respirators.