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§84.103 Man tests; performance requirements.

RegSenseNational Institute of Occupational Safety and Health (NIOSH), CDC, HHSPersonal Protective EquipmentSafety & HealthCFR RegulationsGeneral Industry SafetyCFR SectionRespiratory ProtectionEnglishFocus AreaUSA

(a) The apparatus shall satisfy the respiratory requirements of the wearer for the classified service time.

(b) Fogging of the eyepiece shall not obscure the wearer's vision, and the wearer shall not experience undue discomfort because of fit or other characteristics of the apparatus.

(c) When the ambient temperature during testing is 24 ±6 °C. (75 ±10 °F.), the maximum temperature of inspired air recorded during man tests shall not exceed the following, after correction for deviation from 24 °C. (75 °F.):

Where service life of apparatus is—Where percent relative humidity of inspired air is—Maximum permissible temperature of inspired air shall not exceed—
°F.°C.
1/4 hour or less0-10013557
1/4 hour to 3/4 hour0-50
50-100		125
1 110		52
1 43
1 to 2 hours0-50
50-100		115
1 105		46
1 41
3 hours0-50
50-100		110
1 100		43
1 38
4 hours0-50
50-100		105
1 95		41
1 35
1 Where percent relative humidity is 50-100 and apparatus is designed for escape only, these maximum permissible temperatures will be increased by 5 °C (10 °F).

['Personal Protective Equipment']
['Respiratory Protection']
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