Nevada heat illness prevention regulation (R131-24), enforcement began April 29, 2025. A management-system standard.
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This rule has no numeric trigger the calculator evaluates — it states duties and control measures rather than a threshold a reading can be checked against. Its measures are listed below.
No standalone formula is published for this standard; see programmable logic and parameters below.
Programmable logic
Employers with more than 10 employees must maintain a written safety program, job hazard analysis, training, potable water, rest breaks, monitoring, and emergency response. Applied as a control overlay until codified numeric thresholds are available.
This standard does not take WBGT as a required input, and publishes no standalone numeric parameter table here; see the governing metric and programmable logic above, and the primary source below.
Required inputs: none
Optional inputs: usStateCode, employerSize, airTempC, heatIndexF, indoorTempC, workload, ppe, acclimatization
This standard was added to the calculator.
Get notified when Nevada OSHA Heat Illness Prevention Regulation (R131-24) changes — threshold changes, scope and legal-status changes, additions and removals. Changes that permit more heat exposure than before are labelled as such.
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If a threshold, trigger, exemption, date or duty here disagrees with the governing text, tell us and point at the section. The form arrives with this standard already named, and a correction is checked against the same primary document it was encoded from.