Statutes, codes, and regulations
Washington Administrative Code
Title 16 - Agriculture, Department of (See also Titles 24, 60, and 142)GRAIN AND CHEMICAL
Chapter 16-230 - Use of chemicals and chemically treated materials in certain counties
Section 16-230-670 - Use restricted herbicides-Eastern Washington-Aircraft boom length and application requirements

Wash. Admin. Code § 16-230-670

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Current through Register Vol. 24-23, December 1, 2024
Section 16-230-670 - Use restricted herbicides-Eastern Washington-Aircraft boom length and application requirements

In all counties restricted by rule the working boom length on fixed wing aircraft shall not exceed 3/4 of the wing span and the working boom length on helicopters shall not exceed 6/7 of the total rotor length or 3/4 of the total rotor length where the rotor length exceeds forty feet.

Aerial applications of use restricted herbicides shall conform to a combination of nozzles, pressure (psi), plates, nozzle orientation, and aircraft speed that produces a spray droplet class that falls within the coarse (or larger) range as defined by the ASABE standards. Upon request by the department the applicator shall provide all data which supports the nozzle configuration is compliant with spray droplet classifications of coarse (or larger).

Wash. Admin. Code § 16-230-670

Amended by WSR 19-02-039, Filed 12/26/2018, effective 1/26/2019

Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. 07-11-041A, § 16-230-670, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. 91-06-019 (Order 2073), § 16-230-670, filed 2/26/91, effective 3/29/91; 80-03-041 (Order 1680), § 16-230-670, filed 2/20/80.