WAC 16-230-645
What is the evening cutoff for use
restricted herbicides? On and after May 1 through October 31
of each year, the application of use restricted herbicides is
prohibited daily from three hours prior to sunset to sunrise
the following morning: Provided, That if there is a mean
sustained legal wind velocity of not less than five miles per
hour the application of use restricted herbicides is allowed
in Areas 3 and 4 up to one hour prior to sunset in all
counties as restricted by rule except Benton, Franklin,
Yakima, and Walla Walla counties.
[Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. 07-11-041A, § 16-230-645, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. 87-09-015
(Order 1923), § 16-230-645, filed 4/6/87; 80-03-041 (Order
1680), § 16-230-645, filed 2/20/80.]