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e-CFR data is current as of October 27, 2020

Title 42Chapter ISubchapter GPart 84Subpart H → §84.103


Title 42: Public Health
PART 84—APPROVAL OF RESPIRATORY PROTECTIVE DEVICES
Subpart H—Self-Contained Breathing Apparatus


§84.103   Man tests; performance requirements.

(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.
14 hour or less0-10013557
14 hour to 34 hour0-50
50-100
125
1110
52
143
1 to 2 hours0-50
50-100
115
1105
46
141
3 hours0-50
50-100
110
1100
43
138
4 hours0-50
50-100
105
195
41
135

1Where 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).

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