WAC 16-230-440   What are the boundaries and restrictions for Area 4?  (1) Area 4 description. All remaining lands in Spokane County not included in WAC 16-230-420 and 16-230-430.

     (2) Area 4 restrictions.

     (a) On and after May 1 through October 15, ground applications of use restricted herbicides shall be made with nozzles having a minimum orifice diameter of 0.031 inches.

     (b) On and after May 1 through October 15, aircraft applications of use restricted herbicides shall be made using the caution area restrictions (see WAC 16-230-675).

     (c) Ground applications of use restricted herbicides shall be allowed when using No. 2RD or 2RA Raindrop nozzles: Provided, That the mean sustained wind velocity is fifteen miles per hour or less.



[Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. 07-11-041A, § 16-230-440, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. 91-06-019 (Order 2073), § 16-230-440, filed 2/26/91, effective 3/29/91; 80-03-039 (Order 1678), § 16-230-440, filed 2/20/80; 79-01-038 (Order 1585), § 16-230-440, filed 12/20/78.]