頁面 11, Appendix, Wbgt index and physical exercise – General Tools and Instruments WBGT8778 User Manual
Page 11: 87.9 f yellow intense a
APPENDIX
PERMIS SIB LE HEAT EXPOSURE THRESHOLD LIM IT
Source: ACGIH 1992(The American Conference
of Governmental Industrial Hygienists)
WBGT INDEX AND PHYSICAL EXERCISE
Value:WBGT
Recommendations to heat exposure level
for working and physical activity!
WBGT Flag Activity Intensity
< 80 F White Normal activity. Caution
< 26.7 C should be taken.
80-84.9 F Green Discretion is required
26.7-29.4 C in planning intense
physical activity.
ctivity for new
29.4-31 C and unacclimatized
persons should be
curtailed.
88-89.9 F Red Intense exercise must
31-32.2 C be curtailed for those
with less than 12 weeks
training in hot weather.
Be on high alert
> 90 F Black Cancel all outdoor
> 32.2 C exercise.
o
o
o
o
o
85-87.9 F Yellow Intense a
o
o
o
o
o
Source: Manual of Naval Preventive Medicine
(NAVMED P-5010)
Work/rest regimen Light Moderate Heavy
(Each hour)
o
o
o
Continuous work 30 C 26.7 C 25 C
o
o
o
/86 F /80 F /77 F
o
o
o
75% work, 25% rest 30.6 C 28 C 25.9 C
o
o
o
/87 F /82 F /78 F
o
o
o
50% work, 50% rest 31.4 C 29.4 C 27.9 C
o
o
o
/89 F /85 F /82 F
o
o
o
25% work, 75% rest 32.2 C 31.1 C 30 C
o
o
o
/90 F /88 F /86 F
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