Understanding Heat Stress and How to Stay Safe

With a changing climate, the public, especially those exposed to occupational heat, are facing increased risk for heat injury and illness.  This presentation will educate environmental public health professionals on the physiological responses of workers exposed to heat and about the dangers, causes, and mitigation of heat stress while on the job. 

Working in hot environments is often unavoidable, however, this seminar will educate attendees about the warning signs and strategies to prevent serious heat related injuries or illness to keep workers safe while performing their jobs.  This will involve a discussion about the physiological responses to heat, acclimatization to heat, and heat injury and illness.  In addition, techniques for the measurement of thermal stress from the environment and from metabolic sources will be discussed.  There will also be a discussion about the technologies used to limit heat exposure. 


Dr. W. Jon Williams
is currently a Senior Research Physiologist in the Research Branch of the National Personal Protective Technology Laboratory (NPPTL)/NIOSH/CDC.  Dr. Williams has 34 years of experience in human experimental physiology beginning with a National Academies/National Research Council Resident Research Associateship (post-doc) at the NASA Johnson Space Center in the Medical Sciences Division, as a NASA contractor (Wyle Life Sciences) as a Senior Research Scientist. In 2003, Dr. Williams was recruited to the NPPTL to establish a human physiological research capability. Dr. Williams also established a biochemistry lab and a thermos-physiology lab including a human rated environmental chamber to support human research in extreme environments.  He has conducted human thermal research at the NPPTL for ~21 years.

Dr. Williams currently serves as Chair, Thermal Stress Working Group, AIHA and has authored/co-authored a total of ~135 peer-reviewed scientific articles, conference papers/abstracts, book chapters, and government documents.  

Dr. Williams received a PhD degree in Physiology from the University of Illinois at Urbana-Champaign.


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Epicore Biosystems is a digital healthcare company developing advanced sweat-sensing wearables and cloud analytics that provide real-time, personalized health insights for hydration, stress, and wellness.
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Zappos at Work knows how to keep your team safe by providing workwear and footwear programs, built custom to your business. We offer an unrivaled selection of brands and styles to ensure that your employees look and feel great on the job. You tell us your teams’ safety workwear needs, and we build a custom online storefront where your employees can order products from your hand-picked assortment. Orders are shipped directly to your employees, with free and fast shipping, returns, and exchanges on all orders. https://www.zappos.com/zappos-at-work

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Duration: 1 Hour

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