Washington Administrative Code

The following pesticides are declared to be use restricted pesticides in areas 2B, 4, 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 …

(1) Area 1 description. (Columbia River Buffer area.) An area starting at the intersection of the common boundary line between Sections 14 and 15, T6N, R32E and the Washington-Oregon state line; thence north along the section lines ten miles more or less to the southeast corner o…

(1) Area 2 description. (Walla Walla and vicinity, Dixie, Waitsburg, and Prescott areas.) Those areas lying within a one mile radius from the center of the town of Dixie and within one mile of the city limits of the towns of Waitsburg and Prescott and an area starting at the inte…

(1) Area 2A description. (Buffer area surrounding Dixie and Walla Walla.) An area, excluding a one mile radius from the center of the town of Dixie, starting at the intersection of the common boundary line between Sections 14 and 15, T6N, R32E and the Washington-Oregon state line…

(1) Area 3 description. All of the remaining lands within the border of Walla Walla County.(2) Area 3 restrictions. The use and application of low volatile formulations of use restricted herbicides is prohibited on and after May 15th through October 31st.[Statutory Authority: RCW…

(1) Area 3A description. An area beginning at the southwest corner of Section 11, T7N, R32E; thence east along the section lines six miles more or less to the intersection with the Touchet North Road at the southeast corner of Section 10, T7N, R33E; thence northerly along the Tou…

The use or application of use restricted herbicides is prohibited in Areas 1, 2, 2A, 3, and 3A 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 2 on and after April 1st through …

(1) Area 2B description. An area including all lands lying within a boundary line beginning at the intersection of the Union Pacific Railroad and U.S. Highway 12 in Section 10, T7N, R31E; thence southerly along Highway 12 approximately three miles until its intersection with the …

(1) Area 4 description. An area including all lands lying within a boundary line beginning at the intersection of the Snake River and the Bonneville Power Administration power line near the east section line of Section 25, T9N, R30E; thence southeasterly along the Bonneville Powe…

(1) Area 6 description. An area including all lands lying within a boundary line beginning at the Snake River and the east section line of Section 23, T9N, R31E; thence south approximately twelve miles along section lines to the Walla Walla River; thence west along the Walla Wall…

Aerial application of Paraquat and Diquat is prohibited in areas 2B, 4, and 6.[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-232-053, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-232-053…

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 2B, 4, and 6.[Statutory Authority: RCW 15.58.040 and…

The following conditions will apply to all permits issued in areas 2B, 4, 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 pe…

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 2B, 4, and 6. An emergency under this section may be declared if the director determines that t…

The use or application of all herbicides and class 1 and 2 insecticides are prohibited in areas 2B, 4, 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 pes…

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 …

(1) The area under order includes all lands lying within the boundaries of Lincoln County. WAC 16-232-105 through 16-232-115 applies to the area under order.(2) The distribution, use, and application of use restricted herbicides in the area under order shall comply with rules rel…

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

(1) Area 3 description. (Southwestern Lincoln County.) Beginning at the Grant-Lincoln County line and state Highway 2; thence northeasterly two and one-half miles more or less along state Highway 2 to the Almira South Road; thence south seven miles more or less along the Almira S…

(1) The area under order includes all lands lying within the boundaries of Garfield County. WAC 16-232-205 through 16-232-225 applies to the area under order.(2) The distribution, use, and application of use restricted herbicides in the area under order shall comply with rules re…

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

(1) Area 2 description. The city of Pomeroy and those sections and partial sections lying within one mile east, one mile south and one mile west of the city limits of Pomeroy.(2) Area 2 restrictions. Aerial applications of use restricted herbicides are prohibited.[Statutory Autho…

(1) Area 3 description. An area starting at the intersection of the Snake River and the west boundary of Section 18, T14N, R43E; thence south to and along the Lambie Grade Road to and along the Casey Creek Road to the southeast corner of Section 8, T13N, R43E; thence east along s…

Area 4 description. This area includes all remaining lands in Garfield County not included in WAC 16-232-210 and 16-232-215.[Statutory Authority: RCW 15.58.040 and 17.21.030. WSR 19-02-039, § 16-232-220, filed 12/26/18, effective 1/26/19. Statutory Authority: Chapters 17.21, 15.5…

The use or application of use restricted herbicides are prohibited in Areas 2, 3, and 4 when the mean sustained wind velocity is over twelve miles per hour throughout the year: Provided, That such applications are prohibited in Areas 2 and 3 on and after May 1st through October 3…

(1) The area under order includes all lands lying within the boundaries of Kittitas County. WAC 16-232-305 through 16-232-315 applies to the area under order.(2) The distribution, use, and application of use restricted herbicides in the area under order shall comply with rules re…

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

(1) Area 1 description. An area starting at the intersection of Canyon Road and Thrall Road on the south line of Section 30, T17 N, R19E, thence east along Thrall Road three and one-half miles more or less to Denmark Road; thence south approximately one-half mile and follow the c…

The use or application of use restricted herbicides is prohibited in Area 1 when the mean sustained wind velocity is over twelve miles on and after April 15th through October 31st: Provided, That applications of allowable use restricted herbicides are exempt from these wind restr…

The area under order shall include all lands in Grays Harbor and Pacific counties lying within Township 15 North, Range 11 West, Sections 5, 6, 7, 8, 17, 18, 19, 20, 29, 30, and 32; Township 16 North, Range 11 West, Sections 19, 30, 31, and 32; and Township 16 North, Range 12 Wes…

All formulations containing the active ingredient O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate, commonly known as chlorpyrifos (CAS Number 2921-88-2) or the active ingredient O,O-diethyl O-(2-isopropyl-6-methyl-4-pyrimidinyl) phosphorothioate, commonly known as di…

(1) The department adopts the United States Department of Agriculture (USDA) Natural Resources Conservation Service (NRCS) Practices Standards "Drainage Water Management" CODE 554 (Nov. 2011); "SubSurface Drain" CODE 606 (Sept. 2011); "Surface Drain, Main or Lateral" CODE 608 (No…

(1) Chlorpyrifos or diazinon shall not be applied to cranberries unless all ditches immediately adjacent to the application and all other ditches that will be contacted by the application are adequately protected to prevent entry of chlorpyrifos or diazinon at the time of applica…

(1) All source water used for chemigation including, but not limited to, open reservoirs, ponds, or sumps must be protected from contact with chlorpyrifos or diazinon during an application unless the source water is demonstrated to have no hydraulic connection with drainage ditch…

(1) In the event of an emergency, as determined by the director, the department may issue permits for the use of chlorpyrifos or diazinon in the use restricted area in variation of any restrictions as defined in WAC 16-232-430 or 16-232-440. An emergency under this section may be…

This chapter contains the federal Environmental Protection Agency (EPA) worker protection standard as listed in 40 C.F.R., Part 170. Revisions to the federal language have been incorporated into this chapter in order to be consistent with other requirements of Washington state la…

This chapter contains standards designed to reduce the risks of illness or injury resulting from workers' and handlers' occupational exposures to pesticides used in the production of agricultural plants on agricultural establishments and also to reduce the accidental exposure of …

(1) This regulation applies whenever a pesticide product bearing a label requiring compliance with this chapter is used in the production of agricultural plants on an agricultural establishment, except as provided in subsections (2) and (3) of this section.(2) This regulation doe…

Terms used in this chapter have the same meanings they have in the Federal Insecticide, Fungicide, and Rodenticide Act, as amended. In addition, the following terms, when used in this chapter, shall have the following meanings:(1) "Agricultural emergency" for agricultural emergen…

Agricultural employers must:(1) Ensure that any pesticide is used in a manner consistent with the pesticide product labeling, including the requirements of this chapter, when applied on the agricultural establishment.(2) Ensure that each worker and handler subject to this chapter…

(1) Display of pesticide safety information. Whenever pesticide safety information and pesticide application and hazard information are required to be provided under WAC 16-233-021(8), pesticide safety information must be legible and displayed in accordance with this subsection.(…

Commercial pesticide handler employers must:(1) Ensure that any pesticide is used in a manner consistent with the pesticide product labeling, including the requirements of this chapter, when applied on an agricultural establishment by a handler employed by the commercial pesticid…

No agricultural employer, commercial pesticide handler employer, or other person involved in the use of a pesticide to which this chapter applies, shall intimidate, threaten, coerce, or discriminate against any worker or handler for complying with or attempting to comply with thi…

(1) RCW 15.58.150 (2)(c) provides that it is unlawful for any person "…to use or cause to be used any pesticide contrary to label directions…." When 40 C.F.R., Part 170 is referenced on a label, users must comply with all of its requirements, except those that are inconsistent wi…

(1) General requirement. Before any worker performs any task in a treated area on an agricultural establishment where within the last 30 days a pesticide product has been used or a restricted-entry interval for such pesticide has been in effect, the agricultural employer must ens…

Before any worker performs any activity in a treated area on an agricultural establishment where within the last thirty days a pesticide product has been used, or a restricted-entry interval for such pesticide has been in effect, the agricultural employer must ensure that the wor…

(1) Outdoor production pesticide applications.(a) The application exclusion zone shall be as follows:(i) The application exclusion zone is the area that extends 100 feet horizontally from the point(s) of pesticide discharge from the application equipment in all directions during …

(1) After the application of any pesticide to an area of outdoor production, the agricultural employer must not allow or direct any worker to enter or to remain in the treated area before the restricted-entry interval specified on the pesticide product labeling has expired and al…

(1) General requirement. The agricultural employer must notify workers of all entry restrictions required in WAC 16-233-111 and 16-233-116 in accordance with this section.(a) Type of notification required:(i) Double notification. If the pesticide product labeling has a statement …

(1) Requirement. The agricultural employer must provide decontamination supplies for routine washing and emergency decontamination in accordance with this section for any worker on an agricultural establishment who is performing an activity in an area where a pesticide was applie…