Section 16-230-160 - Desiccants and defoliants- Ground equipment- Droplet spectrum requirements for the entire area under orderThe following requirements apply to the entire area under order as listed in WAC 16-230-150:
(1) Ground applications of use restricted desiccants and defoliants shall conform 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 medium (or larger) range as defined by the ASABE standards.(2) The Washington state department of agriculture may issue a permit upon receipt of a written request to apply use restricted desiccants and defoliants within the area as described in WAC 16-230-150 with nozzles, nozzle type, drift control additives, and/or arrangements other than those allowed herein. The director will consider safety factors and the possible exposure to susceptible crops in the areas of proposed application before a permit will be issued.(3) Diesel and other fuel oils are prohibited in all tank mixes with desiccants and defoliants.Wash. Admin. Code § 16-230-160
Amended by WSR 19-02-039, Filed 12/26/2018, effective 1/26/2019Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. 07-11-041A, § 16-230-160, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. 91-08-058 (Order 2081), § 16-230-160, filed 4/2/91, effective 5/3/91; 87-15-001 (Order 1938), § 16-230-160, filed 7/2/87; 80-05-005 (Order 1682), § 16-230-160, filed 4/4/80; 79-02-046 (Order 1591), § 16-230-160, filed 1/29/79; Order 1545, § 16-230-160, filed 11/30/77.