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Code of Federal Regulations Title 42. Public Health § 42.84.103 Man tests;  performance requirements

Current as of January 02, 2025 | Updated by Findlaw Staff

(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 less․․․․․․․․․․․․․․․․․․․․․․․․․․

0-100

135

57

1/4 hour to 3/4 hour․․․․․․․․․․․․․․․․․․․

0-50

125

52

50-100

1 110

1 43

1 to 2 hours․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

0-50

115

46

50-100

1 105

1 41

3 hours․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․

0-50

110

43

50-100

1 100

1 38

4 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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Cite this article: FindLaw.com - Code of Federal Regulations Title 42. Public Health § 42.84.103 Man tests;  performance requirements - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-42-public-health/cfr-sect-42-84-103/

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