Chapter 16-231 WAC

Last Update: 12/26/18

USE RESTRICTED HERBICIDES

WAC Sections

16-231-085Adoption of national consensus code.
16-231-090Order of precedence.
16-231-095Definitions.
16-231-100Restrictions for pesticide use in Franklin County.
16-231-105Use restricted herbicides in Franklin County.
16-231-107Use restricted pesticides in certain areas of Franklin County.
16-231-115Boundaries and restrictions for use restricted herbicides in Franklin County Area 1.
16-231-119Boundaries and restrictions on use restricted herbicides in Franklin County Area 1A.
16-231-125Boundaries and restrictions on use restricted herbicides in Franklin County Area 2.
16-231-130Boundaries and restrictions on use restricted herbicides in Franklin County Area 3.
16-231-135Boundaries in Franklin County Area 4.
16-231-145Wind restrictions for use restricted herbicides in Franklin County.
16-231-149Boundaries and restrictions on use restricted herbicides in Franklin County Area 2A.
16-231-153Boundaries and restrictions on use restricted herbicides in Franklin County Area 4A.
16-231-156Boundaries and restrictions on use restricted herbicides in Franklin County Area 6.
16-231-159Application of Paraquat or Diquat by air in Franklin County.
16-231-162Application of sulfonylurea herbicides in Franklin County.
16-231-165Conditions applying to permits in Franklin County.
16-231-168Application of use restricted pesticides in an emergency in Franklin County.
16-231-171Restrictions on applications in Franklin County due to wind.
16-231-183Restrictions on application of pesticides in Franklin County due to weather conditions.
16-231-200Restrictions for herbicide use in Yakima County.
16-231-205Use restricted herbicides in Yakima County.
16-231-215Boundaries and restrictions for Area 1 in Yakima County.
16-231-220Boundaries and restrictions for Yakima County Area 1A.
16-231-225Boundaries and restrictions for Yakima County Area 2.
16-231-235Restrictions due to wind conditions in Yakima County.
16-231-300Restrictions for herbicide use in Adams County.
16-231-305Use restricted herbicides in Adams County.
16-231-315Boundaries and restrictions for Adams County Area 1.
16-231-320Boundaries and restrictions for Adams County Area 2.
16-231-325Boundaries and restrictions for Adams County Area 3.
16-231-330Boundaries for Adams County Area 4.
16-231-340Restrictions on applications due to wind conditions in Adams County.
16-231-400Use restricted herbicides—Columbia County—Area under order.
16-231-405Use restricted herbicides in Columbia County.
16-231-413Boundaries and restrictions for Columbia County Area 1.
16-231-415Boundaries and restrictions for Columbia County Area 2.
16-231-420Boundaries for Columbia County Area 4.
16-231-425Restrictions due to wind conditions for Columbia County.
16-231-500Restrictions for herbicide use in Whitman County.
16-231-505Use restricted herbicides in Whitman County.
16-231-510Boundaries and restrictions for Whitman County Area 1.
16-231-515Boundaries and restrictions for Whitman County Area 3.
16-231-520Boundaries for Whitman County Area 4.
16-231-530Restrictions due to wind conditions in Whitman County.
16-231-600Restrictions for herbicide use in Klickitat County.
16-231-605Use restricted herbicides in Klickitat County.
16-231-613Boundaries and restrictions for Klickitat County Area 2.
16-231-615Boundaries and restrictions for Klickitat County Area 3.
16-231-620Restrictions due to wind conditions in Klickitat County.
16-231-700Restrictions for herbicide use in Okanogan County.
16-231-705Use restricted herbicides in Okanogan County.
16-231-710Boundaries and restrictions for Okanogan County Area 1.
16-231-720Restrictions due to wind conditions in Okanogan County.
16-231-800Restrictions for herbicide use in Douglas and Chelan counties.
16-231-805Use restricted herbicides in Douglas and Chelan counties.
16-231-810Boundaries and restrictions for Area 1 in Douglas and Chelan counties.
16-231-815Boundaries and restrictions for Area 2 in Douglas and Chelan counties.
16-231-820Boundaries and restrictions for Area 3 in Douglas and Chelan counties.
16-231-825Boundaries and restrictions for Area 4 in Douglas and Chelan counties.
16-231-840Restrictions due to wind conditions in Douglas and Chelan counties.
16-231-900Restrictions for herbicide use in Grant County.
16-231-905Use restricted herbicides in Grant County.
16-231-910Boundaries and restrictions for Grant County Area 1.
16-231-912Boundaries and restrictions for Grant County Area 1A.
16-231-915Boundaries and restrictions for Grant County Area 2.
16-231-920Boundaries and restrictions for Grant County Area 3.
16-231-925Boundaries for Grant County Area 4.
16-231-935Restrictions due to wind conditions in Grant County.
DISPOSITION OF SECTIONS FORMERLY CODIFIED IN THIS TITLE
16-231-001Restricted use herbicides—Benton County—Area under order. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-001, filed 2/26/91, effective 3/29/91; WSR 80-03-038 (Order 1677), § 16-231-001, filed 2/20/80.] Repealed by WSR 92-13-035, filed 6/10/92, effective 7/11/92. Statutory Authority: Chapters 17.21 and 15.58 RCW.
16-231-005Restricted use herbicides. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-038 (Order 1677), § 16-231-005, filed 2/20/80.] Repealed by WSR 92-13-035, filed 6/10/92, effective 7/11/92. Statutory Authority: Chapters 17.21 and 15.58 RCW.
16-231-010Oil-type carriers. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-038 (Order 1677), § 16-231-010, filed 2/20/80.] Repealed by WSR 92-13-035, filed 6/10/92, effective 7/11/92. Statutory Authority: Chapters 17.21 and 15.58 RCW.
16-231-015Restricted use herbicides—Benton County—Area 1. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 88-05-033 (Order 1965), § 16-231-015, filed 2/12/88; WSR 87-18-060 (Order 1950), § 16-231-015, filed 9/1/87; WSR 80-03-038 (Order 1677), § 16-231-015, filed 2/20/80.] Repealed by WSR 92-13-035, filed 6/10/92, effective 7/11/92. Statutory Authority: Chapters 17.21 and 15.58 RCW.
16-231-020Restricted use herbicides—Benton County—Area 2. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 88-05-033 (Order 1965), § 16-231-020, filed 2/12/88; WSR 87-09-015 (Order 1923), § 16-231-020, filed 4/6/87; WSR 80-03-038 (Order 1677), § 16-231-020, filed 2/20/80.] Repealed by WSR 92-13-035, filed 6/10/92, effective 7/11/92. Statutory Authority: Chapters 17.21 and 15.58 RCW.
16-231-025Area 3. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-038 (Order 1677), § 16-231-025, filed 2/20/80.] Repealed by WSR 92-13-035, filed 6/10/92, effective 7/11/92. Statutory Authority: Chapters 17.21 and 15.58 RCW.
16-231-030Restricted use herbicides—Benton County—Wind conditions. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 87-09-015 (Order 1923), § 16-231-030, filed 4/6/87; WSR 80-03-038 (Order 1677), § 16-231-030, filed 2/20/80.] Repealed by WSR 92-13-035, filed 6/10/92, effective 7/11/92. Statutory Authority: Chapters 17.21 and 15.58 RCW.
16-231-033Restricted use herbicides—Application records—Benton County. [Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 87-18-060 (Order 1950), § 16-231-033, filed 9/1/87.] Repealed by WSR 91-06-019 (Order 2073), filed 2/26/91, effective 3/29/91. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-035Distribution, use and application. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-038 (Order 1677), § 16-231-035, filed 2/20/80.] Repealed by WSR 88-09-013 (Order 1973), filed 4/12/88. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-110When are oil-type carriers prohibited? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-110, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-037 (Order 1676), § 16-231-110, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-120Area 1A. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 81-07-044 (Order 1726), § 16-231-120, filed 3/16/81; WSR 80-03-037 (Order 1676), § 16-231-120, filed 2/20/80.] Repealed by WSR 87-18-060 (Order 1950), filed 9/1/87. Statutory Authority: Chapters 17.21 and 15.58 RCW.
16-231-140What are the restrictions on mixing or loading aircraft? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-140, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-140, filed 11/22/00, effective 12/23/00; WSR 80-03-037 (Order 1676), § 16-231-140, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-148Restricted use herbicides—Application records—Franklin County. [Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 87-18-060 (Order 1950), § 16-231-148, filed 9/1/87.] Repealed by WSR 91-06-019 (Order 2073), filed 2/26/91, effective 3/29/91. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-150Distribution, use and application. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-037 (Order 1676), § 16-231-150, filed 2/20/80.] Repealed by WSR 88-09-013 (Order 1973), filed 4/12/88. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-174Application of pesticides in Franklin County—Areas 2A, 4A, and 6—Use restricted herbicides ground apparatus nozzle requirements. [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-174, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-174, filed 11/22/00, effective 12/23/00.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-177Application of pesticides in Franklin County—Areas 2A, 4A, and 6—Use restricted herbicides, aircraft boom length, pressure, and nozzle requirements. [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-177, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-177, filed 11/22/00, effective 12/23/00.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-180What are the restrictions on applications of pesticides in Franklin County—Areas 2A, 4A, and 6—Use restricted herbicides due to temperature conditions? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-180, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-180, filed 11/22/00, effective 12/23/00.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-210When are oil-type carriers prohibited in Yakima County? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-210, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-210, filed 2/26/91, effective 3/29/91; WSR 80-03-036 (Order 1675), § 16-231-210, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-230What are the restrictions on mixing or loading for aircraft? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-230, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-036 (Order 1675), § 16-231-230, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-238Restricted use herbicides—Application records—Yakima County. [Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 87-18-060 (Order 1950), § 16-231-238, filed 9/1/87.] Repealed by WSR 91-06-019 (Order 2073), filed 2/26/91, effective 3/29/91. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-240Distribution, use and application. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-036 (Order 1675), § 16-231-240, filed 2/20/80.] Repealed by WSR 88-09-013 (Order 1973), filed 4/12/88. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-310When are oil-type carriers prohibited in Adams County? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-310, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-310, filed 2/26/91, effective 3/29/91; WSR 80-03-035 (Order 1674), § 16-231-310, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-335What are the restrictions on applications near vineyards? [Statutory Authority: Chapters 15.58, 17.21, and 34.05 RCW. WSR 10-15-015, § 16-231-335, filed 7/8/10, effective 8/8/10; WSR 07-11-041A, § 16-231-335, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-035 (Order 1674), § 16-231-335, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-343Restricted use herbicides—Application records—Adams County. [Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 87-18-060 (Order 1950), § 16-231-343, filed 9/1/87.] Repealed by WSR 91-06-019 (Order 2073), filed 2/26/91, effective 3/29/91. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-345Distribution, use and application. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-035 (Order 1674), § 16-231-345, filed 2/20/80.] Repealed by WSR 88-09-013 (Order 1973), filed 4/12/88. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-410When are oil-type carriers prohibited in Columbia County? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-410, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-410, filed 2/26/91, effective 3/29/91; WSR 80-03-034 (Order 1673), § 16-231-410, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-430Distribution, use and application. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-034 (Order 1673), § 16-231-430, filed 2/20/80.] Repealed by WSR 88-09-013 (Order 1973), filed 4/12/88. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-525What are the notification requirements of farm operators for use restricted herbicides in Whitman County? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-525, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-525, filed 2/26/91, effective 3/29/91; WSR 80-03-033 (Order 1672), § 16-231-525, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-535Distribution, use and application. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-033 (Order 1672), § 16-231-535, filed 2/20/80.] Repealed by WSR 88-09-013 (Order 1973), filed 4/12/88. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-610When are oil-type carriers prohibited in Klickitat County? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-610, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-610, filed 2/26/91, effective 3/29/91; WSR 80-03-029 (Order 1668), § 16-231-610, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-625Distribution, use and application. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-029 (Order 1668), § 16-231-625, filed 2/20/80.] Repealed by WSR 88-09-013 (Order 1973), filed 4/12/88. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-715What are the boundaries and restrictions for Okanogan County Area 4? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-715, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-715, filed 2/26/91, effective 3/29/91; WSR 80-03-027 (Order 1666), § 16-231-715, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-725What are the restrictions on mixing or loading aircraft? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-725, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-027 (Order 1666), § 16-231-725, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-730Distribution, use and application. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-027 (Order 1666), § 16-231-730, filed 2/20/80.] Repealed by WSR 88-09-013 (Order 1973), filed 4/12/88. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-830What are the restrictions on mixing and loading aircraft? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-830, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-028 (Order 1667), § 16-231-830, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-835What are restrictions for aerial applications near vineyards? [Statutory Authority: Chapters 15.58, 17.21, and 34.05 RCW. WSR 10-15-015, § 16-231-835, filed 7/8/10, effective 8/8/10; WSR 07-11-041A, § 16-231-835, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-028 (Order 1667), § 16-231-835, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-845Distribution, use and application. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-028 (Order 1667), § 16-231-845, filed 2/20/80.] Repealed by WSR 88-09-013 (Order 1973), filed 4/12/88. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-930What are the restrictions on mixing and loading aircraft? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-930, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-031 (Order 1670), § 16-231-930, filed 2/20/80.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-231-938Restricted use herbicides—Application records—Grant County. [Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 87-18-060 (Order 1950), § 16-231-938, filed 9/1/87.] Repealed by WSR 91-06-019 (Order 2073), filed 2/26/91, effective 3/29/91. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-940Distribution, use and application. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-031 (Order 1670), § 16-231-940, filed 2/20/80.] Repealed by WSR 88-09-013 (Order 1973), filed 4/12/88. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-231-950Restricted use herbicides—Distribution, use, and application. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 88-09-013 (Order 1973), § 16-231-950, filed 4/12/88.] Repealed by WSR 91-06-019 (Order 2073), filed 2/26/91, effective 3/29/91. Statutory Authority: Chapters 15.58 and 17.21 RCW.


16-231-085
Adoption of national consensus code.

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, § 16-231-085, filed 12/26/18, effective 1/26/19.]



16-231-090
Order of precedence.

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, § 16-231-090, filed 12/26/18, effective 1/26/19.]



16-231-095
Definitions.

"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, § 16-231-095, filed 12/26/18, effective 1/26/19.]



16-231-100
Restrictions for pesticide use in Franklin County.

(1) The area under order includes all lands lying within the boundaries of Franklin County. WAC 16-231-115 through 16-231-183 applies to the area under order.
(2) The distribution, use, and application of use restricted pesticides in the area under order shall comply with rules relating to the use of pesticides in chapter 16-228 WAC, and rules relating to use restricted herbicides in WAC 16-230-600 through 16-230-670.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-100, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-100, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-100, filed 11/22/00, effective 12/23/00; WSR 91-06-019 (Order 2073), § 16-231-100, filed 2/26/91, effective 3/29/91; WSR 80-03-037 (Order 1676), § 16-231-100, filed 2/20/80.]



16-231-105
Use restricted herbicides in Franklin County.

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 of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba labeled and intended only for home and garden use or for turf.
(3) Ready-to-use liquid formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba distributed in quantities of five gallons or less.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-105, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-105, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-105, filed 11/22/00, effective 12/23/00; WSR 80-03-037 (Order 1676), § 16-231-105, filed 2/20/80.]



16-231-107
Use restricted pesticides in certain areas of Franklin County.

The following pesticides are declared to be use restricted pesticides in Areas 2A, 4A, and 6:
(1) Use restricted herbicides*:
(a) Sulfonylurea herbicides (such as Glean, Telar, Finesse, Escort);
(b) Desiccants and defoliants (such as Paraquat, Diquat, Endothall);
(c) Glyphosate (such as Roundup, Landmaster);
(d) Phenoxy hormone-type herbicides (such as 2,4-D, MCPA);
(e) Dicamba (such as Banvel);
(f) Bromoxynil except that the cutoff dates of April 5th, April 15th and May 16th do not apply.
*
This is to be used only as a guide and may not include all brand or trade names under which these chemicals are distributed.
(2) All aerial applications of Category I insecticides with the signal words danger/poison on the label, except granular and pellet formulations.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-107, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-107, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 34.05 RCW. WSR 03-11-097, § 16-231-107, filed 5/21/03, effective 6/21/03. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-107, filed 11/22/00, effective 12/23/00.]



16-231-115
Boundaries and restrictions for use restricted herbicides in Franklin County Area 1.

(1) Area 1 description.
(a) This area includes all lands lying within a boundary line starting at the northwest corner of Section 6, T14N, R28E; thence east along the Adams-Franklin County line thirteen miles more or less to the intersection with State Route 17; thence southeasterly along State Route 17, including the right of way, to the intersection with Highway 395 at the town of Mesa; thence southerly along Highway 395, including the right of way, seven miles more or less to the intersection with the common boundary between Sections 2 and 11, T11N, R30E at the town of Eltopia; thence east along the section line, one mile more or less to the northeast corner of Section 12, T11N, R30E; thence south along the section lines twelve miles more or less to the southeast corner of Section 1, T10N, R30E; thence west two miles along section lines to the southeast corner of Section 3, T9N, R30E; thence north one mile along section lines to the northeast corner of Section 3, T9N, R30E; thence west along section lines three miles to the southeast corner of Section 31, T10N, R30E; thence north two miles along Highway 395 to the intersection with the Selph Landing Road near the northeast corner of Section 30, T10N, R30E; thence seven miles west along Selph Landing Road to the northwest corner of Section 30, T10N, R29E; thence north along section lines and portions of Fraser Drive until the intersection with Road 68, thence northwesterly along Road 68 until its intersection with the Esquatzel Channel; thence west along the Esquatzel Channel until its intersection with the Columbia River; thence northwesterly along the Columbia River to the Grant-Franklin County line at the north section line of Section 29, T14N, R27E; thence east along the Grant-Franklin County line four miles more or less to the northwest corner of Section 30, T14N, R28E; thence north along the Grant-Franklin County line four miles to the point of beginning.
(b) Also including Levey (Ice Harbor Dam area): This area includes all lands lying within a two-mile radius of Levey within Franklin County.
(2) Area 1 restrictions.
(a) The use or application of low volatile formulations of use restricted herbicides is prohibited on and after April 5th through October 31st of each year: Provided, That low volatile ester formulations of 2,4-DB may be applied to alfalfa and red clover seed crops on and after November 1st through April 30th of the following year.
(b) Ground applications of use restricted herbicides on asparagus 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 coarse (or larger) range as defined by the ASABE standards.
(c) On and after April 5th through October 31st, aircraft applications of use restricted herbicides are prohibited except by written permit issued by the department: Provided, That on and after November 1st through April 4th of the following year, aircraft applications of use restricted herbicides are allowed when the application conforms to the manufacturer's specified combination of nozzles, pressure (psi), plates, nozzle orientation, and aircraft speed that produces a droplet class that falls within the coarse (or larger) range as defined by the ASABE standards.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-115, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-115, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-115, filed 11/22/00, effective 12/23/00; WSR 88-05-033 (Order 1965), § 16-231-115, filed 2/12/88; WSR 87-18-060 (Order 1950), § 16-231-115, filed 9/1/87; WSR 87-09-015 (Order 1923), § 16-231-115, filed 4/6/87; WSR 81-07-044 (Order 1726), § 16-231-115, filed 3/16/81; WSR 80-03-037 (Order 1676), § 16-231-115, filed 2/20/80.]



16-231-119
Boundaries and restrictions on use restricted herbicides in Franklin County Area 1A.

(1) Area 1A description. This area includes all lands lying within a boundary line starting at the intersection of State Route 17 and the Adams-Franklin County line at the north section line of Section 5, T14N, R30E; thence east along the Adams-Franklin County line five miles more or less to the Burlington Northern Railroad; thence southeasterly along the railroad, including the right of way, four miles more or less to the intersection with Moon Road; thence southerly along Moon Road, including the right of way, two miles more or less to the intersection with State Route 260 at the southeast corner of Section 27, T14N, R31E; thence west along State Route 260, including the right of way, five miles more or less to the intersection with State Route 17; thence northwesterly along State Route 17, excluding the right of way, to the point of beginning.
(2) Area 1A restrictions.
(a) The use or application of low volatile formulations of use restricted herbicides is prohibited on and after April 15th through October 31st: Provided, That low volatile ester formulations of 2,4-DB may be applied to alfalfa and red clover seed crops on and after November 1st through April 30th of the following year.
(b) Ground applications of use restricted herbicides on asparagus 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 coarse (or larger) range as defined by the ASABE standards.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-119, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-119, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 88-05-033 (Order 1965), § 16-231-119, filed 2/12/88.]



16-231-125
Boundaries and restrictions on use restricted herbicides in Franklin County Area 2.

(1) Area 2 description. This area includes all of the lands lying inside a boundary line starting at the intersection of State Routes 17 and 260 located at the northwest corner of Section 36, T14N, R30E; thence east along State Route 260, excluding the right of way, five miles more or less to the northeast corner of Section 34, T14N, R31E; thence south along the section lines fifteen miles more or less to the Eltopia and Eye Road; thence easterly along the Eltopia and Eye Road, including the right of way, to the Brass Road; thence easterly along the Brass Road, including the right of way, to the Bannenburg Road; thence southeasterly along the Bannenburg Road, including the right of way, to the northwest corner of Section 6, T10N, R33E; thence south along the section line one mile more or less to the Snake River; thence southwesterly along the Snake River to the east section line of Section 23, T9N, R31E; thence northerly along section lines approximately two miles until the intersection with the Pasco Kahlotus Road at the northeast corner of Section 11, T9N, R31E; thence west approximately five miles along section lines and a portion of the Pasco Kahlotus Road to the intersection of the southeast corner of Section 1, T9N, R30E; thence north along the section lines twelve miles more or less to the southeast corner of Section 1, T11N, R30E; thence west along the section line one mile more or less to Highway 395; thence northerly along Highway 395, excluding the right of way, seven miles more or less to its intersection with State Route 17 at the town of Mesa; thence northerly along State Route 17, excluding the right of way, seven miles more or less to the point of beginning, excluding lands in Franklin County within a two-mile radius of the town of Levey.
(2) Area 2 restrictions.
(a) The use or application of low volatile formulations of use restricted herbicides is prohibited on and after April 5th through October 31st of each year.
(b) On and after April 5th through October 31st, aircraft applications of use restricted herbicides are prohibited except by written permit issued by the Washington state department of agriculture.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-125, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-125, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-125, filed 11/22/00, effective 12/23/00; WSR 88-05-033 (Order 1965), § 16-231-125, filed 2/12/88; WSR 87-09-015 (Order 1923), § 16-231-125, filed 4/6/87; WSR 81-07-044 (Order 1726), § 16-231-125, filed 3/16/81; WSR 80-03-037 (Order 1676), § 16-231-125, filed 2/20/80.]



16-231-130
Boundaries and restrictions on use restricted herbicides in Franklin County Area 3.

(1) Area 3 description. (Dry land area south and east of Connell.) An area beginning at the northeast corner of Section 3, T14N, R33E and the Reeder Road; thence south along the Reeder Road to and along the Black Road to the Swanson Road; thence east and south along the Swanson Road to state Highway 260; thence southerly along state Highway 260 to the Munt Road; thence south along the Munt Road to the Largent Road; thence east along the Largent Road to the Pasco-Kahlotus Highway to the Walker Road; thence southerly along the Walker Road to the Snake River; thence southerly along the Snake River to the east boundary line of Area 2; thence northerly along the east boundary line of Area 2 and Area 1A to the Franklin-Adams County line; thence east fifteen miles more or less along the county line to the point of beginning.
(2) Area 3 restrictions. The use or application of low volatile formulations of use restricted herbicides is prohibited on and after May 16th through October 31st of each year.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-130, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-130, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 88-09-013 (Order 1973), § 16-231-130, filed 4/12/88; WSR 80-03-037 (Order 1676), § 16-231-130, filed 2/20/80.]



16-231-135
Boundaries in Franklin County Area 4.

Area 4 description. (Dry land area.) All of the remaining lands in Franklin County lying east of Area 3.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-135, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-135, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-037 (Order 1676), § 16-231-135, filed 2/20/80.]



16-231-145
Wind restrictions for use restricted herbicides in Franklin County.

The use or application of use restricted herbicides shall be prohibited in Areas 1, 1A, 2, 3, and 4 when the mean sustained wind velocity is over twelve miles per hour throughout the year: Provided, That such applications shall be prohibited in Area 1 on and after April 1st through October 31st when the mean sustained wind velocity is over ten miles per hour.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-145, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-145, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 88-09-013 (Order 1973), § 16-231-145, filed 4/12/88; WSR 87-18-060 (Order 1950), § 16-231-145, filed 9/1/87; WSR 87-09-015 (Order 1923), § 16-231-145, filed 4/6/87; WSR 80-03-037 (Order 1676), § 16-231-145, filed 2/20/80.]



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.]



16-231-153
Boundaries and restrictions on use restricted herbicides in Franklin County Area 4A.

(1) Area 4A description. An area including all lands lying within a boundary line beginning at the intersection of the Esquatzel Diversion Channel drain and the Columbia River; thence east along the Esquatzel Channel to its intersection with Road 68; thence southeasterly approximately one mile along Road 68 to its intersection with Fraser Drive near the northeast corner of Section 24, T10N, R28E; thence south approximately four miles along section lines and portions of Fraser Drive and Dent Road to the southwest corner of Section 6, T9N, R29E; thence east approximately eight and one-half miles along section lines and a portion of Foster Wells Road to its intersection with the Bonneville Power Administration power line in Section 4, T9N, R30E; thence southeasterly along the power line until its intersection with the Snake River near the east line of Section 25, T9N, R30E; thence southwesterly along the Snake River until its intersection with U.S. Highway 12 in Section 35, T9N, R30E; thence northwesterly along Highway 12 until its intersection with Interstate 182; thence westerly along Interstate 182 until its intersection with the Columbia River along the east section line of Section 13, T9N, R28E; thence northerly along the Columbia River to the point of beginning.
(2) Area 4A restrictions.
(a) Application by air of use restricted pesticides as defined in WAC 16-231-107 may be made by written permit only.
(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, all 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 the 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, § 16-231-153, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-153, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-153, filed 11/22/00, effective 12/23/00.]



16-231-156
Boundaries and restrictions on use restricted herbicides in Franklin County Area 6.

(1) Area 6 description. An area including all lands lying within a boundary line beginning at the northwest corner of Section 30, T10N, R29E; thence east seven miles along Selph Landing Road until its intersection with Highway 395 near the northeast corner of Section 30, T10N, R30E; thence south two miles along Highway 395 to the southeast corner of Section 31, T10N, R30E; thence east three miles along section lines to the northeast corner of Section 3, T9N, R30E; thence south one mile along section lines to the southeast corner of Section 3, T9N, R30E; thence east seven miles along section lines and a portion of the Pasco-Kahlotus Road until its intersection with the Ice Harbor Dam Road at the northeast corner of Section 11, T9N, R31E; thence southerly approximately two miles along section lines until the intersection with the Snake River; thence southwesterly along the Snake River until its intersection with the Bonneville Power Administration power line in Section 25, T9N, R30E; thence northwesterly along the power line until its intersection with Foster Wells Road in Section 4, T9N, R30E; thence west approximately eight and one-half miles along section lines and portions of the Foster Wells Road to the southwest corner of Section 6, T9N, R29E; thence north along section lines approximately three miles to the point of beginning.
(2) Area 6 restrictions.
(a) The use or application of low volatile ester formulations of use restricted herbicides are prohibited on and after April 5th through October 31st of each year: Provided, That hormone sprays may be applied by aircraft to orchards for the prevention of fruit drop.
(b) On and after April 5th through October 31st of each year, all applications of use restricted herbicides are prohibited daily from three hours prior to sunset to sunrise the following morning: Provided, That applications of use restricted herbicides are exempt from the sunset 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 restrictions: Provided further, That applications of use restricted herbicides on small experimental plots for research purposes are exempt from the sunset restrictions.
(c) On and after April 5th through October 31st of each year, aerial applications of use restricted herbicides are prohibited daily from three hours prior to sunset until two hours after sunrise the following morning.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-156, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-156, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-156, filed 11/22/00, effective 12/23/00.]



16-231-159
Application of Paraquat or Diquat by air in Franklin County.

Aerial application of Paraquat and Diquat is prohibited in Areas 2A, 4A, and 6.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-159, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-159, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-159, filed 11/22/00, effective 12/23/00.]



16-231-162
Application of sulfonylurea herbicides in Franklin County.

Application of sulfonylurea herbicides (such as Glean, Telar, Finesse, Escort) to fallow land or to land during the time between harvest and emergence above the furrows of the subsequent cereal grain crop is prohibited in Areas 2A, 4A, and 6.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-162, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-162, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-162, filed 11/22/00, effective 12/23/00.]



16-231-165
Conditions applying to permits in Franklin County.

The following conditions will apply to all permits issued in Areas 2A, 4A, and 6.
(1) Application for a permit may be made to the Washington State Department of Agriculture, Compliance Branch, 21 N. 1st Avenue Suite 236, Yakima, Washington 98902. Applications may also be taken in person or by facsimile. Permits will not be granted by telephone.
(2) The department may make on-site monitoring of the application a condition of any permit. A representative of the department may condition, deny, or revoke a permit at any time, if the representative determines that the situation at the application site creates an unreasonable risk of drift. In determining whether the situation at the application site creates an unreasonable risk of drift, the representative may consider all relevant factors such as temperature, air inversions, time of day, burning restrictions, wind direction, wind velocity, topography, and type and condition of application equipment.
(3) No permit shall be issued to apply any pesticide unless that permit is consistent with existing department laws and rules.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-165, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-165, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-165, filed 11/22/00, effective 12/23/00.]



16-231-168
Application of use restricted pesticides in an emergency in Franklin County.

In the event of an emergency, as declared by the director, the department may issue permits for the use of use restricted pesticides in variation of any restrictions contained in Areas 2A, 4A, and 6. An emergency under this section may be declared if the director determines that the risk and amount of economic harm to any agriculture crop substantially outweighs the risk and amount of damage likely to occur if a variance permit is issued.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-168, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-168, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-168, filed 11/22/00, effective 12/23/00.]



16-231-171
Restrictions on applications in Franklin County due to wind.

The use or application of all herbicides and class 1 and 2 insecticides are prohibited in Areas 2A, 4A, and 6 when the mean sustained wind velocity is over ten miles per hour throughout the year: Provided, That applications of granular and pellet formulations of use restricted pesticides defined in WAC 16-231-107 as well as applications made to structures are exempt from the wind restrictions.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-171, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-171, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-171, filed 11/22/00, effective 12/23/00.]



16-231-183
Restrictions on application of pesticides in Franklin County due to weather conditions.

Use restricted herbicides shall not be applied throughout the year in the entire area under order when there is a temperature inversion present or weather conditions are such that damage could result to adjacent and nearby towns, susceptible crops, and plantings through physical drift or volatilization: Provided, That applications of use restricted herbicides are exempt from the inversion requirements when using one hundred gallons or greater of water carrier 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.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-183, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-183, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-231-183, filed 11/22/00, effective 12/23/00.]



16-231-200
Restrictions for herbicide use in Yakima County.

(1) The area under order includes all lands lying within the boundaries of Yakima County. WAC 16-231-205 through 16-231-235 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 relating to the use of pesticides in chapter 16-228 WAC, and rules relating to use restricted herbicides in WAC 16-230-600 through 16-230-670.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-200, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-200, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-200, filed 2/26/91, effective 3/29/91; WSR 80-03-036 (Order 1675), § 16-231-200, filed 2/20/80.]



16-231-205
Use restricted herbicides in Yakima County.

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 of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba labeled and intended only for home and garden use or for turf.
(3) Ready-to-use liquid formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba distributed in quantities of five gallons or less.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-205, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-205, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-205, filed 2/26/91, effective 3/29/91; WSR 80-03-036 (Order 1675), § 16-231-205, filed 2/20/80.]



16-231-215
Boundaries and restrictions for Area 1 in Yakima County.

(1) Area 1 description. (An area south of the Yakima firing center including the upper and lower Yakima Valley.) An area starting at the Yakima-Benton County line and the northeast corner of Section 1, T11N, R23E; thence west along section lines seventeen miles more or less to the southeast corner of Section 31, T12N, R21E; thence north eight miles along section lines to the northeast corner of Section 30, T13N, R21E; thence west along section lines eleven miles to the Yakima River; thence northwesterly along the Yakima River four miles more or less to the junction of the Yakima and Naches Rivers; thence northwesterly along the Naches River for seven miles more or less to the northwest corner of Section 31, T14N, R18E; thence south one mile along the section line to the southwest corner of Section 31, T14N, R18E; thence west along section lines six miles to the northwest corner of Section 6, T13N, R17E; thence south twenty-four miles along section lines to the southwest corner of Section 31, T10N, R17E; thence east twenty-four miles along section lines to the southeast corner of Section 36, T10N, R20E; thence south six miles along section lines to the southwest corner of Section 31, T9N, R21E; thence east six miles along section lines to the northwest corner of Section 6, T8N, R22E; thence south six miles along section lines to the southwest corner of Section 31, T8N, R22E; thence east twelve miles along section lines to the Benton County line; thence north twenty-four miles to the point of beginning.
(2) Area 1 restrictions.
(a) The use or application of low volatile formulations of use restricted herbicides is prohibited on and after April 5th through October 31st: Provided, That low volatile ester formulations of 2,4-DB may be applied to alfalfa and red clover seed crops at any time.
(b) Ground applications of use restricted herbicides on asparagus 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 coarse (or larger) range as defined by the ASABE standards.
(c) Aircraft applications of use restricted herbicides are allowed only on nonirrigated lands on and after November 1st through April 4th of the following year. Aircraft applications of use restricted herbicides are prohibited on and after April 5th through October 31st: Provided, That hormone sprays may be applied to orchards to prevent fruit drop: Provided further, That aircraft applications are allowed by written permit issued by the Washington state department of agriculture in those dry land wheat growing areas east of Moxee and on the Rattlesnake Ridge and the area south of Horse Heaven Hills Ridge contained in Sections 25, 26, 27, 28, 32, 33, 34, 35 and 36, T8N, R23E up to within one mile of commercial grape plantings and to within one-quarter mile of other susceptible crops.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-215, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-215, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 87-09-015 (Order 1923), § 16-231-215, filed 4/6/87; WSR 80-03-036 (Order 1675), § 16-231-215, filed 2/20/80.]



16-231-220
Boundaries and restrictions for Yakima County Area 1A.

(1) Area 1A description. (Tieton-Naches Area.) That portion of T14N, R17E and those portions of Sections 31, 32 and 33, T15N, R17E, lying southwest of the Naches-Selah Canal; and that portion of T14N, R16E, and those portions of Sections 35 and 36 lying southeast of the Tieton and Naches rivers.
(2) Area 1A restrictions. On and after April 15th through October 31st, the use and application of low volatile formulations of use restricted herbicides is prohibited. On and after April 15th through October 31st, aircraft applications of use restricted herbicides are allowed on dry land wheat up to within one-quarter mile of susceptible crops.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-220, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-220, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-036 (Order 1675), § 16-231-220, filed 2/20/80.]



16-231-225
Boundaries and restrictions for Yakima County Area 2.

(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 19-02-039, § 16-231-225, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-225, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 88-05-033 (Order 1965), § 16-231-225, filed 2/12/88; WSR 87-09-015 (Order 1923), § 16-231-225, filed 4/6/87; WSR 80-03-036 (Order 1675), § 16-231-225, filed 2/20/80.]



16-231-235
Restrictions due to wind conditions in Yakima County.

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 October 31st when the mean sustained wind velocity is over ten miles per hour.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-235, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-235, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-235, filed 2/26/91, effective 3/29/91; WSR 87-09-015 (Order 1923), § 16-231-235, filed 4/6/87; WSR 80-03-036 (Order 1675), § 16-231-235, filed 2/20/80.]



16-231-300
Restrictions for herbicide use in Adams County.

(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 relating to the use of pesticides in chapter 16-228 WAC, and rules relating to use restricted herbicides in WAC 16-230-600 through 16-230-670.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-300, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-300, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-300, filed 2/26/91, effective 3/29/91; WSR 80-03-035 (Order 1674), § 16-231-300, filed 2/20/80.]



16-231-305
Use restricted herbicides in Adams County.

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 of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba labeled and intended only for home and garden use or for turf.
(3) Ready-to-use liquid formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba distributed in quantities of five gallons or less.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-305, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-305, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-305, filed 2/26/91, effective 3/29/91; WSR 80-03-035 (Order 1674), § 16-231-305, filed 2/20/80.]



16-231-315
Boundaries and restrictions for Adams County Area 1.

(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 Low Canal to the intersection of the East Low Canal and the Grant-Adams County line near the southwestern corner of Section 17, T17N, R31E; thence north six miles more or less to the point of beginning; and also all lands within a line starting at the intersection of the East Low Canal and the Grant-Adams County line near the corner of Section 6, T16N, R30E; thence southeasterly along the East Low Canal to the Adams-Franklin County line and the southwest corner of Section 31, T15N, R28E; thence north along the Grant-Adams County line beginning.
(2) Area 1 restrictions.
(a) The use or application of low volatile formulations of use restricted herbicides is prohibited on and after April 15th through October 31st: Provided, That low volatile ester formulations of 2,4-DB may be applied to alfalfa and red clover seed crops on and after November 1st through April 30th of the following year.
(b) Ground applications of use restricted herbicides on asparagus 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 coarse (or larger) range as defined by the ASABE standards.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-315, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-315, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-035 (Order 1674), § 16-231-315, filed 2/20/80.]



16-231-320
Boundaries and restrictions for Adams County Area 2.

(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; thence east one mile along Franz Road to Roxboro Road; thence south fourteen miles along the Roxboro Road to Cunningham Road; thence southeasterly one mile more or less along Cunningham Road to Lind-Hatton Road; thence southerly three miles more or less along Lind-Hatton Road to Roxboro Road; thence southerly three miles more or less to the Adams-Franklin County line; thence west seven miles more or less along Adams-Franklin County line to the East Low Canal; thence northwesterly along the East Low Canal to the Grant-Adams County line; thence east five miles more or less and three miles north more or less along the Grant-Adams County line to the East Low Canal; thence northeasterly along East Low Canal to the Grant-Adams County line; thence north two miles more or less along Grant-Adams County line to the point of beginning.
(2) Area 2 restrictions. On and after May 1st through October 31st, the use or application of low volatile formulations of use restricted herbicides is prohibited.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-320, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-320, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-035 (Order 1674), § 16-231-320, filed 2/20/80.]



16-231-325
Boundaries and restrictions for Adams County Area 3.

(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 to the intersection of Paha-Packard Road and SR 395; thence southwesterly twenty-six miles more or less along SR 395 to the Adams-Franklin County line; thence west one mile more or less along Muse Road to the Roxboro Road; thence northerly and westerly thirty-one miles more or less along the east and north boundary of Area 2 to the Grant-Adams County line; thence north twelve miles more or less along the Grant-Adams County line to the point of beginning.
(2) Area 3 restrictions. On and after May 16th through October 31st, the use and application of low volatile formulations of use restricted herbicides is prohibited.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-325, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-325, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-035 (Order 1674), § 16-231-325, filed 2/20/80.]



16-231-330
Boundaries for Adams County Area 4.

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 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-330, filed 2/26/91, effective 3/29/91; WSR 80-03-035 (Order 1674), § 16-231-330, filed 2/20/80.]



16-231-340
Restrictions on applications due to wind conditions in Adams County.

(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 after November 1st through April 15th of the following year when the mean sustained wind velocity is over twelve miles per hour: Provided, That application of allowable use restricted herbicides is 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.
(2) Area 3 and 4. The use or application of use restricted herbicides is prohibited when the mean sustained wind velocity is over twelve miles per hour: Provided, That ground applications of 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, § 16-231-340, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-340, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-340, filed 2/26/91, effective 3/29/91; WSR 87-09-015 (Order 1923), § 16-231-340, filed 4/6/87; WSR 80-03-035 (Order 1674), § 16-231-340, filed 2/20/80.]



16-231-400
Use restricted herbicidesColumbia CountyArea under order.

(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 relating to the use of pesticides in chapter 16-228 WAC, and rules relating to use restricted herbicides in WAC 16-230-600 through 16-230-670.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-400, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-400, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-400, filed 2/26/91, effective 3/29/91; WSR 80-03-034 (Order 1673), § 16-231-400, filed 2/20/80.]



16-231-405
Use restricted herbicides in Columbia County.

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 of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba labeled and intended only for home and garden use or for turf.
(3) Ready-to-use liquid formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba distributed in quantities of five gallons or less.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-405, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-405, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-405, filed 2/26/91, effective 3/29/91; WSR 80-03-034 (Order 1673), § 16-231-405, filed 2/20/80.]



16-231-413
Boundaries and restrictions for Columbia County Area 1.

(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 Washington state department of agriculture, aircraft applications by permit shall be considered for purposes of critical weed control.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-413, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-413, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 85-07-029 (Order 1849), § 16-231-413, filed 3/15/85.]



16-231-415
Boundaries and restrictions for Columbia County Area 2.

(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 20 lying east of the Payne Hollow Road in T9N, R39E in Columbia County.
(2) Area 2 restrictions. The use or application of low volatile formulations of use restricted herbicides is prohibited on and after May 1st through October 31st.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-415, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-415, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-034 (Order 1673), § 16-231-415, filed 2/20/80.]



16-231-420
Boundaries for Columbia County Area 4.

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, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-420, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-420, filed 2/26/91, effective 3/29/91; WSR 80-03-034 (Order 1673), § 16-231-420, filed 2/20/80.]



16-231-425
Restrictions due to wind conditions for Columbia County.

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 mean sustained wind velocity is over seven miles per hour.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-425, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-425, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-425, filed 2/26/91, effective 3/29/91; WSR 87-09-015 (Order 1923), § 16-231-425, filed 4/6/87; WSR 80-03-034 (Order 1673), § 16-231-425, filed 2/20/80.]



16-231-500
Restrictions for herbicide use in Whitman County.

(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 relating to the use of pesticides in chapter 16-228 WAC, and rules relating to use restricted herbicides in WAC 16-230-600 through 16-230-675.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-500, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-500, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-500, filed 2/26/91, effective 3/29/91; WSR 80-03-033 (Order 1672), § 16-231-500, filed 2/20/80.]



16-231-505
Use restricted herbicides in Whitman County.

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 of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba labeled and intended only for home and garden use or for turf.
(3) Ready-to-use liquid formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba distributed in quantities of five gallons or less.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-505, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-505, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-505, filed 2/26/91, effective 3/29/91; WSR 80-03-033 (Order 1672), § 16-231-505, filed 2/20/80.]



16-231-510
Boundaries and restrictions for Whitman County Area 1.

(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 residences within Whitman County: Provided, That the area under this section shall also include all of the lands in Section 28 through 33, T15N, R45E; Sections 25, 26, 27, 34, 35, and 36, T15N, R44E; Sections 4, 5, 6, 7, 8, 9, 16, 17, 18, 19, 20, and 21, T14N, R45E; Sections 1, 2, 3, 10, 11, 12, 13, 14, 15, 22, 23, and 24, T14N, R44E.
(2) Area 1 restrictions. The use or application of low volatile ester formulations of use restricted herbicides is prohibited throughout the year: Provided, That the low volatile formulation of MCPA is allowed on and after November 1st through April 15th of each year.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-510, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-510, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-510, filed 2/26/91, effective 3/29/91; WSR 80-03-033 (Order 1672), § 16-231-510, filed 2/20/80.]



16-231-515
Boundaries and restrictions for Whitman County Area 3.

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 County Roads No. 141 and No. 451; thence southerly on County Road No. 451 to County Road No. 143; thence southerly along County Road No. 143 to Almota and the Snake River.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-515, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-515, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-033 (Order 1672), § 16-231-515, filed 2/20/80.]



16-231-520
Boundaries for Whitman County Area 4.

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. WSR 07-11-041A, § 16-231-520, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-033 (Order 1672), § 16-231-520, filed 2/20/80.]



16-231-530
Restrictions due to wind conditions in Whitman County.

(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 twelve miles per hour: Provided, That ground applications of use restricted herbicides 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 are allowed when the mean sustained wind velocity is fifteen miles per hour or less and allowed by the label.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-530, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-530, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-530, filed 2/26/91, effective 3/29/91; WSR 87-09-015 (Order 1923), § 16-231-530, filed 4/6/87; WSR 80-03-033 (Order 1672), § 16-231-530, filed 2/20/80.]



16-231-600
Restrictions for herbicide use in Klickitat County.

(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 relating to the use of pesticides in chapter 16-228 WAC, and rules relating to use restricted herbicides in WAC 16-230-600 through 16-230-670.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-600, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-600, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-600, filed 2/26/91, effective 3/29/91; WSR 80-03-029 (Order 1668), § 16-231-600, filed 2/20/80.]



16-231-605
Use restricted herbicides in Klickitat County.

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 of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba labeled and intended only for home and garden use or for turf.
(3) Ready-to-use liquid formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba distributed in quantities of five gallons or less.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-605, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-605, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-605, filed 2/26/91, effective 3/29/91; WSR 80-03-029 (Order 1668), § 16-231-605, filed 2/20/80.]



16-231-613
Boundaries and restrictions for Klickitat County Area 2.

(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 22 east; Sections 1, 2, 11, 12, Township 4 north, Range 23 east.
(2) Area 2 restrictions. The use or application of low volatile formulations of use restricted herbicides is prohibited on and after April 15th through October 31st: Provided, That upon written request to the Washington state department of agriculture, a permit may be issued for purposes of critical weed control.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-613, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-613, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 85-07-029 (Order 1849), § 16-231-613, filed 3/15/85.]



16-231-615
Boundaries and restrictions for Klickitat County Area 3.

(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 of each year: Provided, That on and after May 1st through May 14th of each year, low volatile formulations shall be considered through written request to the department of agriculture.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-615, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-615, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-615, filed 2/26/91, effective 3/29/91; WSR 85-07-029 (Order 1849), § 16-231-615, filed 3/15/85; WSR 80-03-029 (Order 1668), § 16-231-615, filed 2/20/80.]



16-231-620
Restrictions due to wind conditions in Klickitat County.

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, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-620, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-620, filed 2/26/91, effective 3/29/91; WSR 87-09-015 (Order 1923), § 16-231-620, filed 4/6/87; WSR 80-03-029 (Order 1668), § 16-231-620, filed 2/20/80.]



16-231-700
Restrictions for herbicide use in Okanogan County.

(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 relating to the use of pesticides in chapter 16-228 WAC, and rules relating to use restricted herbicides in WAC 16-230-600 through 16-230-670.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-700, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-700, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-700, filed 2/26/91, effective 3/29/91; WSR 80-03-027 (Order 1666), § 16-231-700, filed 2/20/80.]



16-231-705
Use restricted herbicides in Okanogan County.

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 of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba labeled and intended only for home and garden use or for turf.
(3) Ready-to-use liquid formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba distributed in quantities of five gallons or less.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-705, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-705, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-705, filed 2/26/91, effective 3/29/91; WSR 80-03-027 (Order 1666), § 16-231-705, filed 2/20/80.]



16-231-710
Boundaries and restrictions for Okanogan County Area 1.

(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 southeast corner of Section 9; thence north two miles to the northeast corner of Section 4; thence east three miles more or less to the southeast corner of Section 36, T33N, R26E; thence north four miles to the southwest corner of Section 7, T33N, R27E; thence east two miles to the southeast corner of Section 8; thence north six miles to the northeast corner of Section 17, T34N, R27E; thence west eight miles to the northwest corner of Section 18, T34N, R26N; thence south four miles to the southwest corner of Section 31; thence west three miles to the northwest corner of Section 3, T33N, R25E; thence south four miles to the southwest corner of Section 22, T33N, R25E; thence west three miles to the northwest corner of Section 30; thence south two miles to the southwest corner of Section 31; thence west two miles to the northwest corner of Section 2, T32N, R24E; thence south ten miles to the southwest corner of Section 23, T31N, R24E; thence west four miles to the northwest corner of Section 30; thence south seven miles more or less to the north bank of the Columbia River; thence easterly along the north bank of the Columbia River to the point of beginning.
(2) Area 1 restrictions. The use or application of low volatile formulations of use restricted herbicides is prohibited on and after April 15th through October 31st of each year.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-710, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-710, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-027 (Order 1666), § 16-231-710, filed 2/20/80.]



16-231-720
Restrictions due to wind conditions in Okanogan County.

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, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-720, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-720, filed 2/26/91, effective 3/29/91; WSR 87-09-015 (Order 1923), § 16-231-720, filed 4/6/87; WSR 80-03-027 (Order 1666), § 16-231-720, filed 2/20/80.]



16-231-800
Restrictions for herbicide use in Douglas and Chelan counties.

(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 with rules relating to the use of pesticides in chapter 16-228 WAC, and rules relating to use restricted herbicides in WAC 16-230-600 through 16-230-670.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-800, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-800, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-800, filed 2/26/91, effective 3/29/91; WSR 80-03-028 (Order 1667), § 16-231-800, filed 2/20/80.]



16-231-805
Use restricted herbicides in Douglas and Chelan counties.

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 of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba labeled and intended only for home and garden use or for turf.
(3) Ready-to-use liquid formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba distributed in quantities of five gallons or less.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-805, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-805, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-805, filed 2/26/91, effective 3/29/91; WSR 80-03-028 (Order 1667), § 16-231-805, filed 2/20/80.]



16-231-810
Boundaries and restrictions for Area 1 in Douglas and Chelan counties.

(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 Malaga Road right of way to the city limits of Wenatchee; thence east to the Columbia River, and along the west bank of the Columbia River to the point of beginning.
(2) Area 1 description - Douglas County. An area on the east bank of the Columbia River, beginning at the southwest corner of Section 33, T21N, R22E; thence east one mile to the southeast corner of Section 33; thence north one mile to the southwest corner of Section 27; thence east one mile to the southeast corner of Section 27; thence north one mile to the southwest corner of Section 23, thence east one mile to the southeast corner of Section 23; thence north one mile to the northeast corner of Section 23; thence west one mile to the northwest corner of Section 23; thence north one mile to the northeast corner of Section 15; thence west one mile to the northwest corner of Section 15; thence north two miles to the northeast corner of Section 4; thence west one mile more or less to and including the right of way of State Road 28; thence northwest along the highway right of way to the east section line of Section 25, T22N, R21E; thence north five miles more or less to the northeast corner of Section 1, T22N, R21E; thence west eight miles more or less to the east bank of the Columbia River; thence southeasterly along the east bank of the Columbia River to the point of beginning.
(3) Area 1 restrictions. The use or application of low volatile formulations of use restricted herbicides is prohibited on and after April 15th through October 31st.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-810, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-810, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-028 (Order 1667), § 16-231-810, filed 2/20/80.]



16-231-815
Boundaries and restrictions for Area 2 in Douglas and Chelan counties.

(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 County - (Moses-Coulee and Bridgeport area.) Section 1, 2, 3, 10, 11, 12, 13, 14, 24, 25, 26, 34, 35, and 36, N21N, R22E, and Sections 1, 2, 3, 4, 9, 10, 11, 12 and those portions of Sections 13, 14, 15 and 16, T20N, R22E.
(2) Area 2 restrictions. The use or application of low volatile formulations of use restricted herbicides is prohibited on and after May 1st through October 31st.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-815, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-815, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-028 (Order 1667), § 16-231-815, filed 2/20/80.]



16-231-820
Boundaries and restrictions for Area 3 in Douglas and Chelan counties.

(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 boundary line of Area 2; thence north and west along the Area 2 boundary line to the Area 1 boundary line; thence northerly along the Area 1 boundary line to the point of beginning.
(2) Area 3 restrictions. The use or application of low volatile formulations of use restricted herbicides is prohibited on and after May 1st through October 31st.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-820, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-820, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-028 (Order 1667), § 16-231-820, filed 2/20/80.]



16-231-825
Boundaries and restrictions for Area 4 in Douglas and Chelan counties.

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 34.05 RCW. WSR 07-11-041A, § 16-231-825, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-825, filed 2/26/91, effective 3/29/91; WSR 80-03-028 (Order 1667), § 16-231-825, filed 2/20/80.]



16-231-840
Restrictions due to wind conditions in Douglas and Chelan counties.

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 1st through April 15th of the following year, and over seven miles per hour from April 16th through October 31st.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-840, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-840, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-840, filed 2/26/91, effective 3/29/91; WSR 87-09-015 (Order 1923), § 16-231-840, filed 4/6/87; WSR 80-03-028 (Order 1667), § 16-231-840, filed 2/20/80.]



16-231-900
Restrictions for herbicide use in Grant County.

(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 relating to the use of pesticides in chapter 16-228 WAC, and rules relating to use restricted herbicides in WAC 16-230-600 through 16-230-670.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-900, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-900, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-900, filed 2/26/91, effective 3/29/91; WSR 80-03-031 (Order 1670), § 16-231-900, filed 2/20/80.]



16-231-905
Use restricted herbicides in Grant County.

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 of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba labeled and intended only for home and garden use or for turf.
(3) Ready-to-use liquid formulations of phenoxy hormone-type herbicides (e.g., 2,4-D, 2,4-DB, 2,4-DP (dichlorprop), MCPA, MCPB, MCPP (mecoprop)) and dicamba distributed in quantities of five gallons or less.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-905, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-905, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-231-905, filed 2/26/91, effective 3/29/91; WSR 80-03-031 (Order 1670), § 16-231-905, filed 2/20/80.]



16-231-910
Boundaries and restrictions for Grant County Area 1.

(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 along the county line sixteen miles to the southwest corner of Section 31, T17N, R28E; thence east along the county line thirteen miles more or less to the East Low Canal; thence northerly and easterly along the East Low Canal to the Adams County line; thence north along the Grant-Adams County lines six miles more or less to the East Low Canal; thence northwesterly along the East Low Canal to the southeast boundary of Block 70; thence easterly, northerly, and westerly, encompassing Block 70, Soap Lake and Block 701, to the West Main Canal; thence southwesterly along the West Main Canal to the north boundary line of Unit 1, Block 73; thence westerly along the northern boundary line of Block 73 to the northwest corner of Unit 278; then due west to the Willow Springs Draw; thence down Willow Springs Draw to the Columbia River; thence southerly along the Columbia River to the south boundary line of Section 11, T15N, R23E; thence east along the crest of the Saddle Mountains approximately eighteen miles to the northwest boundary of the atomic energy reservation; thence southwesterly along the atomic energy reservation boundary to Highway 24; thence south and west along Highway 24 to Vernita Bridge; thence easterly along the Columbia River to the point of beginning.
(2) Area 1 restrictions.
(a) The use or application of low volatile formulations of use restricted herbicides is prohibited on and after April 15th through October 31st: Provided, That low volatile ester formulations of 2,4-DB may be applied to alfalfa and red clover seed crops on and after November 1st through April 30th of the following year.
(b) Ground applications of use restricted herbicides on asparagus 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 coarse (or larger) range as defined by the ASABE standards.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-910, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-910, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 87-18-060 (Order 1950), § 16-231-910, filed 9/1/87; WSR 87-09-015 (Order 1923), § 16-231-910, filed 4/6/87; WSR 80-03-031 (Order 1670), § 16-231-910, filed 2/20/80.]



16-231-912
Boundaries and restrictions for Grant County Area 1A.

(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 approximately eighteen miles to the northwest boundary of the atomic energy reservation; thence southwesterly along the atomic energy reservation boundary to Highway 24; thence following Highway 24 to the Vernita Bridge at the Columbia River; thence northwesterly along the Columbia River to the point of beginning.
(2) Area 1A restrictions.
(a) The use or application of low volatile formulations of use restricted herbicides is prohibited on and after April 5th through October 31st: Provided, That low volatile ester formulations of 2,4-DB may be applied to alfalfa and red clover seed crops on and after November 1st through April 30th of the following year.
(b) Ground applications of use restricted herbicides on asparagus 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 coarse (or larger) range as defined by the ASABE standards.
(c) On and after April 5th through October 31st, aircraft applications of use restricted herbicides are prohibited except by written permit issued by the Washington state department of agriculture.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-912, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-912, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 88-05-033 (Order 1965), § 16-231-912, filed 2/12/88; WSR 87-09-015 (Order 1923), § 16-231-912, filed 4/6/87.]



16-231-915
Boundaries and restrictions for Grant County Area 2.

(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 east along section lines twelve miles to Grant County Road J/NW; thence south one mile along Grant County Road J/NW to the Burlington Northern Railroad tracks; thence east fourteen miles more or less to the Grant-Lincoln County line; thence south twenty-five miles more or less along the Grant-Lincoln and Grant-Adams County line to the northern boundary line of Area 1 (East Low Canal); thence northerly and westerly along the northern boundary line of Area 1 to the point of beginning; and also an area near Warden starting at the East Low Canal near the southeast corner of Section 13, T17N, R30E; thence westerly and southerly along the East Low Canal to the Grant-Adams County line near the corner of Section 32, T17N, R30E; thence east five miles and north three miles along the Grant-Adams County line to the point of beginning.
(2) Area 2 restrictions. On and after May 1st through October 31st, the use or application of low volatile formulations of use restricted herbicides is prohibited.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-915, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-915, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-031 (Order 1670), § 16-231-915, filed 2/20/80.]



16-231-920
Boundaries and restrictions for Grant County Area 3.

(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 Highway 2 to the Douglas County line; thence southwesterly along the Douglas County line to the southwest corner of Section 35, T23N, R26E; thence east along section lines twelve miles to Grant County Road J/NW; thence south one mile along Grant County Road J/NW to the Burlington Northern Railroad tracks near Stratford; thence easterly along the Burlington Northern Railroad tracks fourteen miles more or less to the point of beginning.
(2) Area 3 restrictions. On and after May 16th through October 31st, the use and application of low volatile formulations of use restricted herbicides is prohibited.
[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-231-920, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-231-920, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-031 (Order 1670), § 16-231-920, filed 2/20/80.]



16-231-925
Boundaries for Grant County Area 4.

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, § 16-231-925, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-031 (Order 1670), § 16-231-925, filed 2/20/80.]



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.]