Table IX-4.
Occupational exposure limits for cold stress (Maximum work period recommended working 4-hour shift)
| Air temperature | Work lord | Maximum work period (min) | |
|---|---|---|---|
| wind velocity is below 0.5 m/sec, in an almost windless environment. The standard work conditions are for four hours by shift work taking a rest in a recovery room for at least 30 minutes after one work sequel to. | |||
| −10~−25°C | light work lord. | (RMR~2) | ~50 |
| moderate work load | (RMR~3) | ~60 | |
| −26~−40°C | light work load | (RMR~2) | ~30 |
| moderate work load | (RMR~3) | ~45 | |
| −41~−55°C | light workload | (RMR~2) | ~20 |
| moderate work load | (RMR~3) | ~30 | |