US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-24 — GENERAL SAFETY AND HEALTH STANDARDS296-24-627WAC 296-24-627WAC 296-24-627. Fixed extinguishing systems, water spray and foamLast amended: 1982Year: 2026Length: 20 wordsOfficial source This section contains the design and installation requirements for extinguishing systems using water or foam solution as the extinguishing agent.PreviousWAC 296-24-623NextWAC 296-24-629