US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-480 — AMBIENT AIR QUALITY STANDARDS AND EMISSION LIMITS FOR RADIONUCLIDES173-480-010WAC 173-480-010WAC 173-480-010. PurposeLast amended: 1986Year: 2026Length: 23 wordsOfficial source The purpose of this chapter is to define maximum allowable levels for radionuclides in the ambient air and control emissions from specific sources.NextWAC 173-480-020