3M WIBGET WB-300 Manuale d'uso - Pagina 11
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8 Appendix B: Heat Exposures Tables
Appendix B: Heat Exposures Tables
ACGIH
Screening Criteria for Heat Stress Exposure. WBGT values in
• NOTE: according to the ACGIH's guidelines, the temperature values represent a work and
rest process which is explained in the standards. Please refer to the ACGIH TLV's and
BEIs for specific details.
Work and recovery
(TLV )
75% to 100%
50% to 75%
25% to 50%
0% to 25%
Work and recovery
(Action Limit)
75% to 100%
50% to 75%
25% to 50%
0% to 25%
*Values not specified by ACGIH have been estimated for continuity.
Cited from "American Conference of Governmental Industrial Hygienists - Threshold Limit
Values and Biological Exposure Indices for 2008"; Reprinted with permission from ACGIH
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Light
Moderate
31.0
28.0
31.0
29.0
32.0
30.0
32.5
31.5
Light
Moderate
28.0
25.0
28.5
26.0
29.5
27.0
30.0
29.0
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Appendix B
C.
o
Heavy
Very Heavy
26.0*
23.5*
27.5
25.5*
29.0
28.0
30.5
30.0
Heavy
Very Heavy
22.5*
20.0*
24.0
22.5*
25.5
24.5
28.0
27.0
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