13
WBGT
V
alue (°C)
WBGT
V
alue (°F)
Backlight Color
Risk of heat injury*
Less than 26.7°C
Less than 80.1°F
Gray (no color)
No Risk
26.7 – 29.3°C
80.1 – 84.7°F
Green
Low Risk
29.4 – 31.0°C
84.9 – 87.8°F
Amber
Light Risk
31.1 – 32.1°C
88.0 – 89.8°F
Red
Moderate Risk
32.2°C and above
90.0°F and above
Flashing Red
High Risk
* IMPORT
ANT NOTE:
The table above is based on OSHA
guidelines, but is NOT
intended
to
replace
any
regulation
set
forth
by
OSHA
or
any
other
Regulatory
Authority
.
It is the responsibility of the user to remain up-to-date on al
l regulations for employee
safety
. In addition, the risk levels for the heat index were develop
ed for shaded
conditions and light winds. Full sunshine, strenuous work, and
the use of heavy or
specialized protective clothing require addition precautions.
As a result, the risk at a
specific heat index could be higher than what is listed in the t
able above.
