# Standard Interpretations
1 - 1910.134(g) - Response to IDLH or Potential IDLH atmospheres.
2 - 1910.134(g) - Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors
3 - 1910.134(g)(1) - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
4 - 1910.134(g)(1)(i) - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
5 - 1910.134(g)(1)(i)(A) - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
6 - 1910.134(g)(1)(i)(B) - Appropriateness of using Mag-1 Eyewear eyeglass holders with full facepiece respirators and self-contained breathing apparatus (SCBA).
7 - 1910.134(g)(1)(i)(A) - Facial hair and respirator fit
8 - 1910.134(g)(1) - Facial hair and respirator fit
9 - 1910.134(g)(1)(i) - Workers cannot sign a release so they can wear a respirator with a beard.
10 - 1910.134(g)(1)(i) - Facial hair in the face sealing area is unacceptable.
11 - 1910.134(g)(1)(ii) - Facial hair in the face sealing area is unacceptable.
12 - 1910.134(g)(1)(iii) - Facial hair in the face sealing area is unacceptable.
13 - 1910.134(g)(1)(i) - Facial hair in the face sealing area is unacceptable.
14 - 1910.134(g)(1)(ii) - Facial hair in the face sealing area is unacceptable.
15 - 1910.134(g)(1)(iii) - Facial hair in the face sealing area is unacceptable.
16 - 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.
17 - 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.
18 - 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.
19 - 1910.134(g)(1)(i) - Protection provided by powered air-purifying respirators.
20 - 1910.134(g)(1)(ii) - Protection provided by powered air-purifying respirators.
21 - 1910.134(g)(1)(iii) - Protection provided by powered air-purifying respirators.
22 - 1910.134(g)(1)(i) - Use of the Racal "Breath-Easy 6" powered air purifying respirator with beards.
23 - 1910.134(g)(1)(i) - Beards may not interfere with face seal;alternative respirators for bearded employees.
24 - 1910.134(g)(1)(i)(A) - Clarification on firefighters with facial hair who enter IDLH atmospheres and use a self-contained breathing apparatus.
25 - 1910.134(g)(1)(iii) - Clarification of respirator costs, annual training, and "effective" seal checks.
26 - 1910.134(g)(1)(iii) - Fit testing and medical monitoring requirements for wearers of filtering facepiece respirators.
27 - 1910.134(g)(3) - The interpretation of the OSHA standards 1910.134 and 1910.156 which address the requirements for workers who are actively conducting operations in atmospheres that are immediately dangerous to life and health.
28 - 1910.134(g)(4) - The interpretation of the OSHA standards 1910.134 and 1910.156 which address the requirements for workers who are actively conducting operations in atmospheres that are immediately dangerous to life and health.
29 - 1910.134(g)(3) - Respiratory protection and emergency escape requirements for IDLH atmospheres.
30 - 1910.134(g)(3) - Permit-Required Confined Space Entry Requirements For IDLH and Non-IDLH Spaces
31 - 1910.134(g)(4) - Two-in/two-out procedure in firefighting/IDLH environments.
32 - 1910.134(g)(4) - Two-in/two-out rule for interior structural fire fighting.
33 - 1910.134(g)(4) - Respiratory protecton standard two-in/two-out policy.
34 - 1910.134(g)(4) - Complying with the "two-in, two-out" policy for interior structural firefighting.
35 - 1910.134(g)(4) - Classification of fires; respiratory protection to extinguish fires.