US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-307 — SAFETY STANDARDS FOR AGRICULTURE296-307-18005WAC 296-307-18005WAC 296-307-18005. Guarding fan bladesLast amended: 2020Year: 2026Length: 29 wordsOfficial source The employer must guard the blades of a fan located less than seven feet above the floor or working level. The guard must have maximum openings of one-half inch.PreviousWAC 296-307-16190NextWAC 296-307-18010