Washington Administrative Code
2022 Archive

Chapter 16-230 WAC
Last Update: 12/26/18

USE OF CHEMICALS AND CHEMICALLY TREATED MATERIALS IN CERTAIN COUNTIES
PDF of Chapter Digest
WAC Sections
16-230-005Adoption of national consensus code.
16-230-008Order of precedence.
16-230-010Restrictions on insecticides used on blossoming alfalfa, clover and mint.
16-230-015Definitions and terms.
16-230-030Use restrictions for alfalfa and clover pesticide applications.
16-230-075Restrictions for blossoming mint pesticide applications.
16-230-076Boundaries and restrictions for blossoming alfalfa, clover and mint for Area 1.
16-230-078Boundaries and restrictions for blossoming alfalfa, clover and mint for Area 2.
16-230-079Special permits for blossoming alfalfa, clover and mint pesticide applications.
16-230-082Restrictions on pesticides used on pollen shedding corn.
16-230-084Restrictions in Areas 1 and 2 for pollen shedding corn insecticide applications.
16-230-086Restrictions in Area 3 for pollen shedding corn insecticide applications.
16-230-088Permits granting a variance from restrictions.
16-230-150Areas under order for use restricted desiccants and defoliants.
16-230-160Desiccants and defoliants—Ground equipment—Droplet spectrum requirements for the entire area under order.
16-230-170Desiccants and defoliants—Aerial equipment—Boom length, pressure, nozzle requirement, nozzle height of discharge and smoke device requirements for the entire area under order.
16-230-180Weather and evening cutoff requirements for desiccants and defoliants.
16-230-190Restrictions on the use of desiccants and defoliants in Walla Walla County.
16-230-400Area under order for use restricted herbicides in Spokane County.
16-230-410Use restricted herbicides in Spokane County.
16-230-420Boundaries and restrictions for Spokane County Area 2.
16-230-430Boundaries and restrictions for Spokane County Area 3.
16-230-470Application of use restricted herbicides prohibited in Spokane County due to wind conditions.
16-230-520Use and application of picloram in Spokane County.
16-230-600Areas under order for use restricted herbicides.
16-230-605Additional county rules for use restricted herbicides.
16-230-610Use restricted herbicides in eastern Washington.
16-230-615Restrictions on the sale and distribution of use restricted phenoxy-hormone type herbicides and dicamba in eastern Washington.
16-230-640Use restricted herbicides—Eastern Washington—Weather and temperature conditions.
16-230-645Evening cutoff for use restricted herbicides in eastern Washington.
16-230-650Permits for the application of certain use restricted herbicides.
16-230-655Use restricted herbicides—Eastern Washington—Ground equipment application requirements.
16-230-665Restrictions on aerial applications near vineyards.
16-230-670Use restricted herbicides—Eastern Washington—Aircraft boom length and application requirements.
16-230-800Area under order and restrictions for Benton County.
16-230-810Restrictions on the application of certain pesticides in Benton County.
16-230-815Application of Paraquat and Diquat by air in Benton County.
16-230-820Application of sulfonylurea herbicides by air in Benton County.
16-230-825Conditions applying to permits in Benton County.
16-230-830Application of use restricted pesticides in an emergency in Benton County.
16-230-835Boundaries and restrictions for Benton County Area 1.
16-230-836Boundaries and restrictions in Benton County Area 1A.
16-230-840Boundaries and restrictions for Benton County Area 2.
16-230-845Boundaries and restrictions for Benton County Area 3.
16-230-850Boundaries and restrictions for Benton County Area 4.
16-230-855Boundaries and restrictions for Benton County Area 5.
16-230-860Boundaries and restrictions for Benton County Area 6.
16-230-861Restrictions on applications in Benton County due to wind conditions.
16-230-868Restrictions on applications in Benton County due to weather.
DISPOSITION OF SECTIONS FORMERLY CODIFIED IN THIS TITLE
16-230-001Promulgation. [Order 1041, Promulgation, filed 2/15/67, effective 3/20/67; Order 980, Promulgation, filed 4/6/65; Order 945, filed 3/30/64; Order 916, filed 4/22/63; Order 887, filed 4/17/62.] Repealed by WSR 84-09-012 (Order 1818), filed 4/10/84. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-230-020Nonuse on blossoming alfalfa and clover crops. [Order 1041, Regulation 4, filed 2/15/67, effective 3/20/67; Order 980, Regulation 4, filed 4/6/65; Order 945, Regulation 4, filed 3/30/64; Order 916, Regulation 2, filed 4/22/63; Order 887, Regulation 2, filed 4/17/62.] Repealed by WSR 84-09-012 (Order 1818), filed 4/10/84. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-230-040Spray chemicals—Time when. [Order 1041, Regulation 6, filed 2/15/67, effective 3/20/67; Order 980, Regulation 6, filed 4/6/65; Order 945, Regulation 6, filed 3/30/64; Order 916, Regulation 4, filed 4/22/63; Order 887, Regulation 4, filed 4/17/62.] Repealed by WSR 84-09-012 (Order 1818), filed 4/10/84. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-230-050Endrin spray or dust—Time when. [Order 1041, Regulation 7, filed 2/15/67, effective 3/20/67; Order 980, Regulation 7, filed 4/6/65; Order 945, Regulation 7, filed 3/30/64; Order 916, Regulation 5, filed 4/22/63; Order 887, Regulation 5, filed 4/17/62.] Repealed by WSR 84-09-012 (Order 1818), filed 4/10/84. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-230-060Dieldrin Sevin—Spray or dust—Time when. [Order 1041, Regulation 8, filed 2/15/67, effective 3/20/67; Order 980, Regulation 8, filed 4/6/65; Order 945, Regulation 8, filed 3/30/64; Order 916, Regulation 6, filed 4/22/63; Order 887, Regulation 6, filed 4/17/62.] Repealed by WSR 84-09-012 (Order 1818), filed 4/10/84. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-230-070Parathion, metacide and methyl parathion—Use when. [Order 916, Regulation 7, filed 4/22/63; Order 887, Regulation 7, filed 4/17/62.] Omitted from Orders 945 and 980 which superseded Orders 916 and 887.
16-230-080Time of sunrise and sunset. [Order 1041, Regulation 10, filed 2/15/67, effective 3/20/67; Order 980 (part), filed 4/6/65; Order 945 (part), filed 3/30/64; Order 916 (part), filed 4/22/63; Order 887, Regulation 7, filed 4/17/62.] Repealed by WSR 84-09-012 (Order 1818), filed 4/10/84. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-230-085Aircraft carrying restricted use pesticides—Permission required. [Order 1041, Regulation 11, filed 2/15/67, effective 3/20/67.] Repealed by WSR 84-09-012 (Order 1818), filed 4/10/84. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-230-090Restrictions in certain areas. [Order 1041, Regulation 12, filed 2/15/67, effective 3/20/67.] Repealed by WSR 84-09-012 (Order 1818), filed 4/10/84. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-230-100Regulations pertaining to the collection of special program fees on sales of 2,4-D—Promulgation. [Order 1424, § 16-230-100, filed 10/2/75.] Repealed by WSR 84-09-013, (Order 1819), filed 4/10/84. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-230-101Promulgation. [Order 1469, § 16-230-101, filed 5/14/76.] Repealed by WSR 84-09-013, (Order 1819), filed 4/10/84. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-230-110Regulations pertaining to the collection of special program fees on sales of 2,4-D—Definitions. [Order 1469, § 16-230-110, filed 5/14/76; Order 1424, Regulation 1 (codified as WAC 16-230-110), filed 10/2/75.] 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.
16-230-115Procedure for collecting special program fees. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 79-07-016 (Order 1637), § 16-230-115, filed 6/12/79; WSR 78-06-076 (Order 1576), § 16-230-115, filed 5/31/78; Order 1534, § 16-230-115, filed 7/1/77; Order 1469, § 16-230-115, filed 5/14/76; Order 1424, Regulation 2 (codified as WAC 16-230-115), filed 10/2/75.] 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.
16-230-120Procedure for submitting reports. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 79-07-016 (Order 1637), § 16-230-120, filed 6/12/79; WSR 78-06-076 (Order 1576), § 16-230-120, filed 5/31/78; Order 1534, § 16-230-120, filed 7/1/77; Order 1469, § 16-230-120, filed 5/14/76; Order 1424, Regulation 3 (codified as WAC 16-230-120), filed 10/2/75.] 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.
16-230-200Walla Walla County Area 2. [Order 1545, § 16-230-200, filed 11/30/77.] Repealed by WSR 79-02-046 (Order 1591), filed 1/29/79. Statutory Authority: Chapters 15.58 and 17.21 RCW.
16-230-250Microencapsulated methyl parathion—Area under order. [Statutory Authority: Chapter 17.21 RCW. WSR 93-17-041 (Order 5002), § 16-230-250, filed 8/11/93, effective 9/11/93. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 78-05-042 (Order 1573), § 16-230-250, filed 4/21/78.] Repealed by WSR 04-18-023A, filed 8/24/04, effective 9/24/04. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. Later promulgation, see WAC 16-228-1220.
16-230-260Microencapsulated methyl parathion—Definitions. [Statutory Authority: Chapter 17.21 RCW. WSR 93-17-041 (Order 5002), § 16-230-260, filed 8/11/93, effective 9/11/93. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 78-05-042 (Order 1573), § 16-230-260, filed 4/21/78.] Repealed by WSR 04-18-023A, filed 8/24/04, effective 9/24/04. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. Later promulgation, see WAC 16-228-1220.
16-230-270Microencapsulated methyl parathion—Restrictions. [Statutory Authority: Chapter 17.21 RCW. WSR 93-17-041 (Order 5002), § 16-230-270, filed 8/11/93, effective 9/11/93. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 79-04-018 (Order 1595), § 16-230-270, filed 3/16/79; WSR 78-05-042 (Order 1573), § 16-230-270, filed 4/21/78.] Repealed by WSR 04-18-023A, filed 8/24/04, effective 9/24/04. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. Later promulgation, see WAC 16-228-1220.
16-230-280Six-mile radius. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 78-05-042 (Order 1573), § 16-230-280, filed 4/21/78.] Repealed by WSR 93-17-041 (Order 5002), filed 8/11/93, effective 9/11/93. Statutory Authority: Chapter 17.21 RCW.
16-230-281Microencapsulated methyl parathion—Emergency clause—Permits. [Statutory Authority: Chapter 17.21 RCW. WSR 93-17-041 (Order 5002), § 16-230-281, filed 8/11/93, effective 9/11/93.] Repealed by WSR 04-18-023A, filed 8/24/04, effective 9/24/04. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. Later promulgation, see WAC 16-228-1220.
16-230-290Microencapsulated methyl parathion—Distribution. [Statutory Authority: Chapter 17.21 RCW. WSR 93-17-041 (Order 5002), § 16-230-290, filed 8/11/93, effective 9/11/93. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 78-05-042 (Order 1573), § 16-230-290, filed 4/21/78.] Repealed by WSR 04-18-023A, filed 8/24/04, effective 9/24/04. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. Later promulgation, see WAC 16-228-1220.
16-230-300Supersedure. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 78-05-042 (Order 1573), § 16-230-300, filed 4/21/78.] Repealed by WSR 93-17-041 (Order 5002), filed 8/11/93, effective 9/11/93. Statutory Authority: Chapter 17.21 RCW.
16-230-440What are the boundaries and restrictions for Area 4? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-230-440, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-230-440, filed 2/26/91, effective 3/29/91; WSR 80-03-039 (Order 1678), § 16-230-440, filed 2/20/80; WSR 79-01-038 (Order 1585), § 16-230-440, filed 12/20/78.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-230-450What information does an aerial applicator need from the landowner? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-230-450, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-230-450, filed 2/26/91, effective 3/29/91; WSR 79-01-038 (Order 1585), § 16-230-450, filed 12/20/78.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-230-460Does a commercial greenhouse need to be notified? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-230-460, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-230-460, filed 2/26/91, effective 3/29/91; WSR 79-01-038 (Order 1585), § 16-230-460, filed 12/20/78.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-230-475Restricted use herbicides—Distribution, use, and application. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 88-09-013 (Order 1973), § 16-230-475, 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.
16-230-510Definition. [Statutory Authority: Chapters 15.57 and 17.21 RCW. WSR 79-07-091 (Order 1633), § 16-230-510, filed 6/29/79.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-230-620Low volatile. [Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-041 (Order 1680), § 16-230-620, filed 2/20/80.] Repealed by WSR 07-11-041A, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW.
16-230-625What are the restrictions on mixing and loading use restricted herbicides? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-230-625, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-230-625, filed 2/26/91, effective 3/29/91; WSR 80-03-041 (Order 1680), § 16-230-625, 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.
16-230-630What are the restrictions for storage of use restricted herbicides? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-230-630, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-041 (Order 1680), § 16-230-630, 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.
16-230-635What are the restrictions on petroleum and vegetable oil carriers and spray adjuvants? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-230-635, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-041 (Order 1680), § 16-230-635, 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.
16-230-660Can an aircraft turn or fly low over cities and towns? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-230-660, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 80-03-041 (Order 1680), § 16-230-660, 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.
16-230-673Use restricted herbicides—Eastern Washington—Application through irrigation systems. [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-230-673, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 87-18-060 (Order 1950), § 16-230-673, filed 9/1/87.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-230-675Use restricted herbicides—Eastern Washington—Minimum nozzle orifice and core plate sizes for aircraft application. [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-230-675, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 15.58 and 17.21 RCW. WSR 91-06-019 (Order 2073), § 16-230-675, filed 2/26/91, effective 3/29/91; WSR 80-03-041 (Order 1680), § 16-230-675, 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.
16-230-805Application of pesticides in Benton County and portions of Franklin and Walla Walla counties—Recordkeeping. [Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 89-16-073 (Order 2014), § 16-230-805, filed 7/31/89, effective 8/31/89.] Repealed by WSR 90-14-034 (Order 2046), filed 6/29/90, effective 7/30/90. Statutory Authority: Chapters 17.21 and 15.58 RCW.
16-230-813When are oil-type carriers prohibited in Benton County? [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-230-813, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-230-813, filed 11/22/00, effective 12/23/00; WSR 92-13-035, § 16-230-813, filed 6/10/92, effective 7/11/92.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-230-862Application of pesticides in Benton County—Area 1A. [Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-230-862, filed 11/22/00, effective 12/23/00; WSR 92-13-035, § 16-230-862, filed 6/10/92, effective 7/11/92.] Repealed by WSR 07-11-041A, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW.
16-230-863Application of pesticides in Benton County—Use restricted herbicides ground apparatus nozzle requirements. [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-230-863, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-230-863, filed 11/22/00, effective 12/23/00; WSR 92-13-035, § 16-230-863, filed 6/10/92, effective 7/11/92.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-230-864Application of pesticides in Benton County—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, § 16-230-864, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-230-864, filed 11/22/00, effective 12/23/00; WSR 92-13-035, § 16-230-864, filed 6/10/92, effective 7/11/92.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-230-865Other rules. [Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 90-14-034 (Order 2046), § 16-230-865, filed 6/29/90, effective 7/30/90; WSR 89-16-073 (Order 2014), § 16-230-865, filed 7/31/89, effective 8/31/89.] Repealed by WSR 92-13-035, filed 6/10/92, effective 7/11/92. Statutory Authority: Chapters 17.21 and 15.58 RCW.
16-230-866Application of pesticides in Benton County—Use restricted herbicides—Temperature conditions. [Statutory Authority: Chapters 17.21, 15.58, and 34.05 RCW. WSR 07-11-041A, § 16-230-866, filed 5/9/07, effective 6/9/07. Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 00-24-002, § 16-230-866, filed 11/22/00, effective 12/23/00; WSR 92-13-035, § 16-230-866, filed 6/10/92, effective 7/11/92.] Repealed by WSR 19-02-039, filed 12/26/18, effective 1/26/19. Statutory Authority: RCW 15.58.040 and 17.21.030.
16-230-870Other rules. [Statutory Authority: Chapters 17.21 and 15.58 RCW. WSR 92-13-035, § 16-230-870, filed 6/10/92, effective 7/11/92.] Repealed by WSR 00-24-002, filed 11/22/00, effective 12/23/00. Statutory Authority: Chapters 17.21 and 15.58 RCW.