US lawWashingtonRegulationsTitle 16 — AGRICULTURE, DEPARTMENT OFChapter 16-230 — USE OF CHEMICALS AND CHEMICALLY TREATED MATERIALS IN CERTAIN COUNTIES16-230-600WAC 16-230-600WAC 16-230-600. Areas under order for use restricted herbicidesLast amended: 2019Year: 2026Length: 17 wordsOfficial source WAC 16-230-605 through 16-230-670 apply to all counties located east of the crest of the Cascade Mountains.PreviousWAC 16-230-520NextWAC 16-230-605