US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-62 — GENERAL OCCUPATIONAL HEALTH STANDARDS296-62-13630WAC 296-62-13630WAC 296-62-13630. Design and operationLast amended: 2019Year: 2026Length: 21 wordsOfficial source Ventilation systems must be designed and operated in such a manner that employees will not be subjected to excessive air velocities.PreviousWAC 296-62-13625NextWAC 296-62-13635