42 C.F.R. § 84.103 Man tests; performance requirements.
Title 42 - Public Health
(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.):
Title 42: Public Health
PART 84—APPROVAL OF RESPIRATORY PROTECTIVE DEVICES
Subpart H—Self-Contained Breathing Apparatus
§ 84.103 Man tests; performance requirements.
------------------------------------------------------------------------ Where percent Maximum permissible relative temperature of inspired Where service life of humidity of air shall not exceed_ apparatus is_ inspired air ------------------------- is_ °F. °C.------------------------------------------------------------------------\1/4\ hour or less............ 0-100 135 57\1/4\ hour to \3/4\ hour...... 0-50 125 52 50-100 \1\ 110 \1\ 431 to 2 hours.................. 0-50 115 46 50-100 \1\105 \1\413 hours....................... 0-50 110 43 50-100 \1\100 \1\ 384 hours....................... 0-50 105 41 50-100 \1\ 95 \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).
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