Category
Compliance
State plans, recordkeeping, and the documentation that holds up to audit and discovery.
1 guide in this category
About this category
Heat safety compliance in the United States is a patchwork. Federal OSHA enforces under the General Duty Clause while finalizing the proposed Heat Injury and Illness Prevention rule. At the same time, a growing list of state plans — California (Cal/OSHA §3395 outdoor and §3396 indoor), Oregon OAR 437-002-0156, Washington WAC 296-62, Nevada NAC 618, Minnesota, and Maryland — already have heat-specific standards with measurable triggers, mandatory written programs, and significant penalties for non-compliance.
This category translates applicable rules into operational requirements. For each named state rule we cover temperature triggers, required program elements, and records that can help demonstrate implementation, such as training logs, heat readings, incident reports, and dated plans. We also cover how multi-state employers can identify the strictest rule that actually applies to each workplace.
Compliance is the floor, not the ceiling. The articles below provide regulatory maps, document templates, and audit checklists to help make applicable requirements and practical heat controls a steady-state operating discipline rather than a fire drill.
Why this matters for employers
Heat-related citations carry serious penalties — OSHA serious violations now cap above $16,000 per item and willful violations above $165,000. State plans like Cal/OSHA have separately issued multi-million-dollar settlements for systemic failures. Beyond direct fines, non-compliance shows up as higher workers' comp experience modifiers and exposure on commercial general liability policies.
The compliance burden is real, but the working artifacts (written plan, training records, acclimatization logs, heat-index readings) are the same artifacts that make a heat program operationally effective. Investing in audit-ready documentation pays back as operational discipline.
Frequently asked questions
Which states have heat-specific OSHA standards today?+
California (outdoor §3395 and indoor §3396), Oregon (OAR 437-002-0156), Washington (WAC 296-62-095), Nevada (NAC 618), Minnesota, and Maryland all have heat-specific standards in force. Several others — including New York, New Jersey, and Massachusetts — have active rulemaking.
If we operate in multiple states, do we need separate programs?+
No — most multi-state employers run a single national heat program written to the strictest applicable state requirement (typically Cal/OSHA or Oregon). This is simpler to train, document, and audit than maintaining state-by-state variants.
How long do we need to keep heat-related records?+
OSHA injury and illness records (the 300/300A/301 set) must be kept five years. Training records are typically required for the duration of employment plus a defined period after separation. Many state plans require acclimatization records and heat-index logs for the season plus one year. Default to five years for everything heat-related.
Will the federal rule replace state standards?+
Partially. The proposed federal rule sets a floor; state-plan states with stricter standards (Cal/OSHA, Oregon, Washington) will keep their stricter rules in force. The rule mostly closes gaps in non-state-plan states that currently rely on the General Duty Clause.