Section 16-231-420. What are the boundaries and restrictions for Area 4 for Columbia County?
Latest version.
(1) Area 4 description. This area includes all remaining lands in Columbia County not included in WAC 16-231-413 and 16-231-415.
(2) Area 4 restrictions.
(a) On and after May 1 through October 31, ground applications of use restricted herbicides shall be made using nozzles having a minimum orifice diameter of 0.031 inches.
(b) On and after May 1 through October 31, aircraft applications of use restricted herbicides shall be made using the caution area restrictions (see WAC 16-230-675).