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Mining Publication: Patterns of Heat Strain Among a Sample of US Underground Miners
Keywords: Heat stress
Original creation date: March 2020
Authors: K Yeoman, W DuBose, T Bauerle, T Victoroff, S Finley, G Poplin
Peer Reviewed Journal Article - March 2019
Go to Web Page
NIOSHTIC2 Number: 20054225
J Occup Environ Med 2019 Mar; 61(3):212-218
**Objective**—This study characterizes physiological measures of heat exposure among US underground miners.
**Methods**—Core body temperature measured by using ingestible sensors during subjects’ normal work shifts was categorized into four temperature zones: less than 37.5 °C, 37.5 °C to less than 38 °C, 38 °C to less than 38.5 °C, and more than or equal to 38.5 °C.
**Results**—On average, subjects changed temperature zones 13.8 times per shift. Temperatures increased above the recommended limit of 38 °C nearly 5 times per shift for an average of 26 minutes each episode.
**Conclusions**—Unlike previous heat stress research that reported only maximum and mean temperature measurements, this analysis demonstrates a dynamic pattern of physiologic heat strain, with core body temperatures changing frequently and exceeding the 38 °C limit multiple times per shift. Further research is needed on the impact of multiple short-term, intermittent heat exposures on miners.
First page of Patterns of Heat Strain Among a Sample of US Underground MinersPeer Reviewed Journal Article - March 2019
Go to Web Page
NIOSHTIC2 Number: 20054225
J Occup Environ Med 2019 Mar; 61(3):212-218
See Also
Advancement of Refuge Alternatives for Underground Coal Mines
Heat Stress: Understand Heat Stress Risk Factors, Prevention, and Treatment
Infographic: 10 Sleep Tips for Miners
Infographic: Do Your Workers Show Signs of Fatigue?
Keeping Cool: Training to Reduce Heat Stress Incidents - 1.0
Knowing the Facts about Heat Stress in Mining
Predicting Heat Strain in Underground Metal and Nonmetal Miners
Prediction of Human Core Temperature Rise and Moisture Loss in Refuge Alternatives for Underground Coal Mines
A Study of Heat Stress Exposures and Interventions for Mine Rescue Workers
Technology News 565: Keeping Cool: Training to Reduce Heat Stress Incidents in Mines
Page last reviewed: May 20, 2020
Page last updated: May 20, 2020
Content source: National Institute for Occupational Safety and Health, Mining Program
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