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Prevent Cal/OSHA Heat Citations

Summer Hot Weather Season High Temperature

As temperatures soar this summer, Cal/OSHA safety inspectors will be blanketing California to ensure that job sites are complying with “high heat” procedures to protect outdoor workers.

Among other measures, it is crucial that workers are actively monitored for early signs of heat illness. This helps ensure sick employees receive treatment immediately and that the symptoms do not develop into serious illness or death.

“Employers with outdoor workers should not wait to review their procedures on preventing heat illness and they should ensure their training is effective as soon as possible.”

– Cal/OSHA Acting Chief Debra Lee

California’s heat regulation requires employers to protect outdoor workers by taking these basic steps:

  • Train all employees and supervisors about heat illness prevention.
  • Provide enough fresh water so that each employee can drink at least 1 quart, or four 8-ounce glasses, of water per hour, and encourage them to do so.
  • Provide access to shade and encourage employees to take a cool-down rest in the shade for at least 5 minutes. They should not wait until they feel sick to cool down.
  • Ensure that emergency medical services can and will be summoned when an employee feels sick or exhibits signs of heat illness, such as nausea, exhaustion or mental confusion.
  • Develop and implement written procedures for complying with the Cal/OSHA Heat Illness Prevention Standard.
  • Online information on the heat illness prevention requirements and training materials can be obtained at Cal/OSHA’s Heat Illness web page or the Water. Rest. Shade. campaign site. A Heat Illness Prevention e-tool is also available on Cal/OSHA’s website.


Summer Prediction: Hot

That’s the summer weather forecast from the National Weather Service, who predicts record-challenging high temperatures and the possibility of the hottest summer ever observed.
A hot summer increases risks to outdoor workers and employers who face Cal/OSHA heat citations. A hot summer often goes hand in hand with drought, as high temperatures increase evaporation, which strips moisture from the land surface. It also drastically increases posed by wildfires.
Are you prepared? CLCA encourages members to take steps now to prepare for what could be a hot, dry and dangerous summer.
Updated 11 p.m., May 5, 2024