From: Internal and external heat load with fire fighter protective clothing: data from the lab and the field
Tre [°C]
T ¯ sk [°C]
HR [bpm]
Sweat loss [kg]
Climatic chamber trial
38.1(0.3)
37.0(0.2)
139.1(17.3)
0.9(0.2)
Fire chamber trial
38.6(0.3)**
41.8(1.0)***
164.6(13.7)**
1.2(0.3)*