Table 4

Recommended TWL limits and interventions for self-paced work

TWL Limit (W.m-2)
Name of limit/zone
Interventions

< 115
Withdrawal
No ordinary work allowed


Work only allowed in a safety emergency or to rectify environmental conditions

115 to 140
Buffer zone
Try to improve the working environment


No person to work alone


No unacclimatized person to work

> 140
Unrestricted


Bates and Schneider Journal of Occupational Medicine and Toxicology 2008 3:21   doi:10.1186/1745-6673-3-21

Open Data