WAC 16-231-145   What are the wind restrictions for use restricted herbicides -- Franklin County?  The use or application of use restricted herbicides shall be prohibited in Areas 1, 1A, 2, 3, and 4 when the mean sustained wind velocity is over twelve miles per hour throughout the year: Provided, That such applications shall be prohibited in Area 1 on and after April 1 through October 31 when the mean sustained wind velocity is over ten miles per hour: Provided further, That applications of use restricted herbicides shall be allowed in winds up to and including twenty miles per hour when an approved hooded boom sprayer is used and allowed by the label. Hooded boom sprayers shall be approved by the department of agriculture. The department shall consider the recommendations of the pesticide advisory board 2,4-D ad hoc committee in determining the criteria of what constitutes an approved hooded boom sprayer. Approval shall be based on research data.



[Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. 07-11-041A, § 16-231-145, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. 88-09-013 (Order 1973), § 16-231-145, filed 4/12/88; 87-18-060 (Order 1950), § 16-231-145, filed 9/1/87; 87-09-015 (Order 1923), § 16-231-145, filed 4/6/87; 80-03-037 (Order 1676), § 16-231-145, filed 2/20/80.]