646 Heat Injury and Illness Prevention: Supervisor

Recordkeeping and Compliance

Recordkeeping Requirements

Documentation of Indoor Temperature Measurements

Employers must document indoor temperature measurements to ensure compliance with heat stress management policies and to provide evidence of monitoring efforts. Key points for documenting indoor temperature measurements include:

• Regular Monitoring: Conduct regular temperature measurements in indoor work areas, especially those identified as high-risk for heat exposure.
• Measurement Methods: Use reliable instruments to measure temperature, such as thermometers or devices that can also record humidity and other relevant metrics.
• Detailed Records: Document the date, time, and specific location of each measurement. Include additional context, such as weather conditions or significant changes in indoor activity that might affect temperature.
• Reporting: Ensure that these records are accessible to supervisors, competent persons, and qualified for review and necessary action.

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