Washington Administrative Code

(1) Area 2 descriptions. All remaining lands in Yakima County.(2) Area 2 restrictions. The use or application of low volatile formulations of use restricted herbicides is prohibited on and after April 5th through October 31st.[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR…

The use or application of use restricted herbicides are prohibited in Areas 1, 1A and 2 when the mean sustained wind velocity is over twelve miles per hour throughout the year: Provided, That such applications are prohibited in Areas 1 and 1A on and after April 1st through Octobe…

(1) The area under order includes all lands lying within the boundaries of Adams County. WAC 16-231-305 through 16-231-340 applies to the area under order.(2) The distribution, use, and application of use restricted herbicides in the area under order must comply with rules relati…

All formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba except as listed below:(1) Salt formulations, including amine and sodium, distributed in quantities of one gallon or less;(2) Dry formulations …

(1) Area 1 description. (Lands generally lying within the Columbia Basin irrigation project east of Warden and in the Othello area.) An area starting at the intersection of the East Low Canal and Grant-Adams County line in Section 18, T18N, R31E; thence southerly along the East L…

(1) Area 2 description. (Buffer area east of Area 1.) Beginning at the Grant-Adams County line Section 6, T18N, R31E; thence east six miles more or less along the Burlington Northern Railroad tracks to Kulm Road; thence south three miles more or less along Kulm Road to Franz Road…

(1) Area 3 description. An area starting at the northwest corner of Section 6, T20N, R31E, on the Lincoln-Adams County line; thence east twenty-three miles more or less on the Davis Road to Paha-Packard Road; thence south seventeen miles more or less along the Paha-Packard Road t…

Area 4 description. Outlying area east of Area 3.[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-330, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-330, filed 5/9/07, effective 6/9…

(1) Area 1 and 2.(a) The use or application of use restricted herbicides shall be prohibited on and after April 16th through October 31st when the mean sustained wind velocity is over ten miles per hour.(b) The use or application of use restricted herbicides is prohibited on and …

(1) The area under order includes all lands lying within the boundaries of Columbia County. WAC 16-231-405 through 16-231-425 applies to the area under order.(2) The distribution, use, and application of use restricted herbicides in the area under order shall comply with rules re…

All formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba except as listed below:(1) Salt formulations, including amine and sodium, distributed in quantities of one gallon or less;(2) Dry formulations …

(1) Area 1 description. That area within a distance of one-half mile of the city limits of Dayton.(2) Area 1 restrictions. Aircraft applications of use restricted herbicides are prohibited on and after April 5th through October 31st: Provided, That upon written request to the Was…

(1) Area 2 description. (Huntsville, Dayton, Baileysburg, and vicinity.) Sections 1 through 12, T9N, R38E; Sections 24, 25, 26 and 30 through 36, T10N, R38E; Sections 19, 20 and 28 through 33, T10N, R39E; Sections 2 through 11, 15 through 17, 21 and 22 and that portion of Section…

Area 4 description. This area includes all remaining lands in Columbia County not included in WAC 16-231-413 and 16-231-415.[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-420, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.5…

The use or application of use restricted herbicides is prohibited in Area 2 and 4 when the mean sustained wind velocity is over twelve miles per hour throughout the year: Provided, That such application is prohibited in Area 2 on and after May 1st through October 31st when the me…

(1) The area under order includes all lands lying within the boundaries of Whitman County. WAC 16-231-505 through 16-231-530 applies to the area under order.(2) The distribution, use, and application of use restricted herbicides in the area under order shall comply with rules rel…

All formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba except as listed below:(1) Salt formulations, including amine and sodium, distributed in quantities of one gallon or less;(2) Dry formulations …

(1) Area 1 description. (Cities and/or towns and Pullman vicinity.) The areas within a distance of one mile of the city limits of any incorporated city or town and the same distance from the center of any unincorporated town comprised of ten or more inhabited, closely grouped res…

Area 3 description. (Eastern portion of Whitman County.) An area east of a north-south line starting at the Whitman-Spokane County line and State Highway 195; thence southerly along Highway 195 to Colfax; thence southerly along County Roads No. 478 and No. 141 to the junction of …

Area 4 description. (Outlying area west of Area 3.) All remaining lands in Whitman County west of Area 3.[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-520, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. W…

(1) Areas 1 and 3. The use or application of use restricted herbicides is prohibited when the mean sustained wind velocity is over twelve miles per hour.(2) Area 4. The use or application of use restricted herbicides is prohibited when the mean sustained wind velocity is over twe…

(1) The area under order includes all lands lying within the boundaries of Klickitat County. WAC 16-231-605 through 16-231-620 applies to the area under order.(2) The distribution, use, and application of use restricted herbicides in the area under order shall comply with rules r…

All formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba except as listed below:(1) Salt formulations, including amine and sodium, distributed in quantities of one gallon or less;(2) Dry formulations …

(1) Area 2 description. (Southeast corner of Klickitat County.) Sections 13, 14, 21, 22, 23, 24, 25, 26, 27, 28, 34, 35, 36, Township 5 north, Range 23 east; Sections 21, 22, south half of Section 23, Sections 26, 27, 28, 33, 34, west half of Section 35, Township 5 north, Range 2…

(1) Area 3 description. All remaining lands within the boundaries of Klickitat County not included in WAC 16-231-613.(2) Area 3 restrictions. The use or application of low volatile formulations of use restricted herbicides is prohibited on and after May 1st through September 30th…

The use or application of use restricted herbicides is prohibited in the area under order when the mean sustained wind velocity is over twelve miles per hour throughout the year.[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-620, filed 12/26/18, effect…

(1) The area under order includes all lands lying within the boundaries of Okanogan County. WAC 16-231-705 through 16-231-720 applies to the area under order.(2) The distribution, use, and application of use restricted herbicides in the area under order shall comply with rules re…

All formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba except as listed below:(1) Salt formulations, including amine and sodium, distributed in quantities of one gallon or less;(2) Dry formulations …

(1) Area 1 description. (Okanogan County) An area starting at the intersection of the east boundary line of Section 24, T29N, R25E, and the Columbia River; thence north 19 miles more or less to the southwest corner of Section 7, T32N, R26E; thence east three miles to the southeas…

The use or application of use restricted herbicides is prohibited in the area under order when the mean sustained wind velocity is over twelve miles per hour throughout the year.[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-720, filed 12/26/18, effect…

(1) The area under order includes all lands lying within the boundaries of Douglas and Chelan counties. WAC 16-231-805 through 16-231-840 applies to the area under order.(2) The distribution, use, and application of use restricted herbicides in the area under order shall comply w…

All formulations of phenoxy hormone-type herbicides, (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba except as listed below:(1) Salt formulations, including amine and sodium, distributed in quantities of one gallon or less;(2) Dry formulations…

(1) Area 1 description - Chelan County. An area starting at the southeast corner of Section 32, T21N, R22E; thence west one mile to the southwest corner of Section 32; thence north five miles more or less to the right of way of the Malaga Road; thence along and including the Mala…

(1) Area 2 description. (Buffer area - A protective area around Azwell, Manson, and the mouth of the Moses-Coulee.)(a) Chelan County - Those areas lying within a one mile radius from the center of the towns of Azwell and Manson. Sections 13, 14, 15 and 16, T28N, R21E.(b) Douglas …

(1) Area 3 description. (Buffer area between Rock Island and Palisades.) An area starting at the northwest corner of Section 6, T22N, R22E; thence east along the township line twelve miles to the Douglas-Grant county line; thence southwesterly along the county line to the east bo…

Area 4 description. All remaining lands in Douglas County not included in WAC 16-231-810, 16-231-815 and 16-231-820.[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-825, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 3…

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 when the mean sustained wind velocity is over twelve miles per hour on and after November 1s…

(1) The area under order includes all lands lying within the boundaries of Grant County. WAC 16-231-905 through 16-231-935 applies to the area under order.(2) The distribution, use, and application of use restricted herbicides in the area under order shall comply with rules relat…

All formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba except as listed below:(1) Salt formulations, including amine and sodium, distributed in quantities of one gallon or less;(2) Dry formulations …

(1) Area 1 description. (Lands generally within the Columbia Basin irrigation project.) An area starting at the southwest corner of Section 21, T14N, R27E; thence east along the county line four miles more or less to the southeast corner of Section 24, T14N, R27E; thence north al…

(1) Area 1A description. Lands generally in the Mattawa area in the southwestern part of the county starting at the west end of the crest of Saddle Mountain at the Columbia River, south boundary line of Section 11, T15N, R23E; thence east along the crest of the Saddle Mountains a…

(1) Area 2 description. (Buffer area.) An area lying north and east of Area 1 starting at the junction of the Grant-Douglas County line and the Columbia River near Trinidad; thence north and easterly along the county line to the southwest corner of Section 35, T23N, R26E; thence …

(1) Area 3 description. (Outlying area.) An area starting at the intersection of the Burlington Northern Railroad tracks near the northeast corner of Section 13, T22N, R30E; thence north nineteen miles more or less along the Grant County line to Highway 2; thence westerly along H…

Area 4 description. All remaining lands in Grant County lying north of Highway 2.[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-925, 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-…

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 Nov…

Adoption of provisions under the American Society of Agricultural and Biological Engineers (ASABE) standards in this chapter is adoption of the provisions in the July 2018 version.[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-232-0010, filed 12/26/18, eff…

If there is a conflict between the spray droplet spectrum size required in these rules and that which is required by the pesticide label, the applicator must use the largest droplet spectrum size required.[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-232-…

"Ready-to-use" means a pesticide that is applied directly from its original container consistent with label directions.[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-232-003, filed 12/26/18, effective 1/26/19.]

(1) The area under order includes all lands lying within the boundaries of Walla Walla County. WAC 16-232-005 through 16-232-077 applies to the area under order.(2) The distribution, use, and application of use restricted herbicides in the area under order shall comply with rules…

All formulations of phenoxy hormone-type herbicides, (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba except as listed below:(1) Salt formulations, including amine and sodium, distributed in quantities of one gallon or less;(2) Dry formulations…