# Standard Interpretations
1 - 1910.134(c)(1) - Escape-only respirators
2 - 1910.134(c)(4) - Voluntary use respirators
3 - 1910.134(c)(2) - Voluntary use respirators
4 - 1910.134(c)(2) - Filtering facepiece respirators and medical evaluations
5 - 1910.134(c)(2) - Numerous questions on filtering facepiece/dusk mask respirators.
6 - 1910.134(c)(2) - Use of smoke escape hoods meeting the ANSI-ISEA standard
7 - 1910.134(c)(2)(ii) - Facial hair and voluntary use of filtering facepiece respirators.
8 - 1910.134(c) - Respiratory protection medical evaluations: additional evaluations; use of employee's physician; testing; medical removal; and confidentiality.
9 - 1910.134(c) - Training and PPE requirements for hospital staff that decontaminate victims/patients.
10 - 1910.134(c) - Respiratory protection requirements for hospital staff decontaminating chemically contaminated patients.
11 - 1910.134(c)(2) - Respirators for voluntary use and cleaning respirators during fit testing.
12 - 1910.134(c)(4) - Clarification of respirator costs, annual training, and "effective" seal checks.
13 - 1910.134(c) - Medical evaluation requirements under the respiratory protection standard
14 - 1910.134(c)(1)(ii) - Pulmonary function testing training requirements and spirometer transmission of disease.
15 - 1910.134(c) - Use of Air-Purifying Respirators In Dangerous Concentrations of Gases Or Vapors
16 - 1910.134(c) - Biopacks are acceptable for fire brigade use; Biopacks are acceptable as SCBA's and may be used in IDLH atmospheres.