AFI48-151_JBSANANTONIOSUP — Thermal Illness Prevention Program

AFI48-151_JBSANANTONIOSUP governs thermal illness prevention and treatment policies and procedures for personnel assigned to Joint Base San Antonio.

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  • Publication number: AFI48-151_JBSANANTONIOSUP
  • Title: THERMAL ILLNESS PREVENTION PROGRAM
  • Date: 2023-02-21

View AFI48-151_JBSANANTONIOSUP on armypubs.army.mil


The publication establishes Joint Base San Antonio responsibilities and procedures for preventing and treating adverse effects of heat stress. It requires monitoring environmental conditions, following work/rest cycles, maintaining records, and supporting heat response procedures.

Applies to: This supplement prescribes policies and responsibilities for all AF military and civilian personnel, Tenat Units, and Mission Partners assigned to JBSA to include all Geographically Seperated Units (GSU).

Topics covered

  • Thermal illness prevention
  • Heat stress treatment
  • Wet bulb globe temperature monitoring
  • Work/rest cycles
  • Heat illness training
  • Ice water immersion stations

Questions and answers

What happens when WBGT notifications are unavailable?

Where host installation Bioenvironmental Engineering (BE), PM, or Command Post staff wet bulb globe temperature (WBGT) index notifications are not available, such as at geographically separated locations, units will measure/monitor conditions with a portable WBGT unit (NSN 6665-00-159-2218), or a suitable commercially available instrument, notify unit leadership, and comply with the work/rest cycles depicted at Attachment 2, unless waived or exempted.

When does JBSA Lackland take WBGT readings?

The JBSA Lackland BE takes WBGT readings during normal duty hours 0800-1600 hours, Monday through Friday.

Who monitors heat conditions at Camp Bullis?

At the Camp Bullis location, Independent Duty Medical Technicians (IDMT) and Range Ops conduct Heat Index monitoring during the hours of operation.

How often must personnel be trained to assess heat stress conditions?

Annually trains personnel from other installation functional areas responsible for assessing environmental conditions for heat stress.

What is required for ice water immersion stations?

Ensure ice water immersion stations are placed and fully operational in appropriate locations throughout all locations at which BMT trainees and technical training students conduct organized physical training, per this supplement. (paragraph 350-1)

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