Oregon OSHA Heat Illness Prevention Rules
A Comprehensive Guide to Worker Safety On May 9, 2022, Oregon adopted two permanent rules, 437-002-0156 and 437-004-1131, designed to protect workers from the dangers of extreme heat caused by weather. Rule 437-004-1131 applies to agricultural workplaces, while 437-002-0156 governs all other industries. Both rules exempt indoor environments with mechanical ventilation systems maintaining a heat …