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PDFWAC 16-231-935

Restrictions due to wind conditions in Grant County.

The use or application of use restricted herbicides is prohibited in Areas 2, 3, and 4 when the mean sustained wind velocity is over twelve miles per hour throughout the year and in Area 1 and 1A when the mean sustained wind velocity is over twelve miles per hour on and after November 1st through March 31st of the following year, and over ten miles per hour from April 1st through October 31st: Provided, That applications of allowable use restricted herbicides are exempt from these wind restrictions when applying fifty gallons or more per acre in conformance with the manufacturer's specified combination of nozzle type/size and pressure in pounds per square inch (psi) at the nozzle that produces a spray droplet size that falls within the very coarse (or larger) range as defined by the ASABE standards.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-935, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-935, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-935, filed 2/26/91, effective 3/29/91; WSR 87-09-015 (Order 1923), § 16-231-935, filed 4/6/87; WSR 80-03-031 (Order 1670), § 16-231-935, filed 2/20/80.]
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