WAC 16-230-673   Use restricted herbicides -- Eastern Washington -- Application through irrigation systems.  Use restricted herbicides applied through irrigation systems are subject to the same requirements as ground applications of use restricted herbicides except for nozzle size and pressure requirements.



[Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. 07-11-041A, § 16-230-673, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. 87-18-060 (Order 1950), § 16-230-673, filed 9/1/87.]