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WAC 16-231-149

Boundaries and restrictions on use restricted herbicides in Franklin County Area 2A.

(1) Area 2A description. An area including all lands lying in a boundary line beginning at the Columbia River and Interstate 182 near the east section line of Section 13, T9N, R28E; thence along Interstate 182 until its intersection with U.S. Highway 12; thence southeasterly along Highway 12 until its intersection with the Snake River in Section 35, T9N, R30E; thence southwesterly along the Snake River until its intersection with the Columbia River; thence northwesterly along the Columbia River to the point of beginning.
(2) Area 2A restrictions.
(a) Application by air of use restricted pesticides as defined in WAC 16-231-107 is prohibited.
(b) The use or application of low volatile ester formulations of use restricted herbicides is prohibited: Provided, That hormone sprays may be applied by aircraft to orchards for the prevention of fruit drop.
(c) On and after April 5th through October 31st of each year, applications of use restricted herbicides are prohibited daily from three hours prior to sunset until two hours after sunrise the following morning: Provided, That applications of use restricted herbicides are exempt from the sunset and sunrise restrictions when using an application rate of forty gallons of water carrier or greater per treated acre and conforming to 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: Provided further, That applications of granular and pellet formulations of the use restricted herbicides are exempt from the sunset and sunrise restrictions: Provided further, That applications of use restricted herbicides on small experimental plots for research purposes are exempt from the sunset and sunrise restrictions.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-149, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-149, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-149, filed 11/22/00, effective 12/23/00.]
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