US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-24 — GENERAL SAFETY AND HEALTH STANDARDS296-24-623WAC 296-24-623WAC 296-24-623. Fixed extinguishing systems, gaseous agentLast amended: 1982Year: 2026Length: 15 wordsOfficial source This section contains the design and installation requirements for fixed extinguishing systems using gaseous agents.PreviousWAC 296-24-622NextWAC 296-24-627