US lawWashingtonRegulationsTitle 16 — AGRICULTURE, DEPARTMENT OFChapter 16-230 — USE OF CHEMICALS AND CHEMICALLY TREATED MATERIALS IN CERTAIN COUNTIES16-230-815WAC 16-230-815WAC 16-230-815. Application of Paraquat and Diquat by air in Benton CountyLast amended: 2019Year: 2026Length: 19 wordsOfficial source Aerial application of Paraquat or Diquat is prohibited in the entire area under order listed in WAC 16-230-800 .PreviousWAC 16-230-810NextWAC 16-230-820