On August 14, 2026, the California Division of Occupational Safety and Health (Cal/OSHA) published a draft update to the California heat illness regulations that aligns both the indoor and outdoor regulations to be more consistent in language and terminology.

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On August 14, 2026, Cal/OSHA released an updated draft of its heat illness regulations that aligns both the indoor and outdoor regulations to be more consistent in language and terminology.
The draft outdoor regulation removes the exception which allowed industries other than agriculture, construction, landscaping, oil and gas extraction, and some transportation companies to be exempt from the high-heat procedures.
The deadline for submitting comments is September 21, 2026.

The draft adds rhabdomyolysis to the list of medical conditions that are identified as “heat illness.” The draft notes that signs or symptoms of rhabdomyolysis include “[m]uscle cramps/pain; abnormally dark (tea or cola colored) urine; muscle… Read the complete article here...
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