US lawWashingtonRegulationsTitle 16 — AGRICULTURE, DEPARTMENT OFChapter 16-231 — USE RESTRICTED HERBICIDES16-231-159WAC 16-231-159WAC 16-231-159. Application of Paraquat or Diquat by air in Franklin CountyLast amended: 2019Year: 2026Length: 14 wordsOfficial source Aerial application of Paraquat and Diquat is prohibited in Areas 2A, 4A, and 6.PreviousWAC 16-231-156NextWAC 16-231-162