WAC 16-230-190. Restrictions on the use of desiccants and defoliants in Walla Walla County

The following restrictions shall apply in Walla Walla County: (1) Area 1 description - Town of Walla Walla and vicinity: This area includes all lands lying within the town of Walla Walla and vicinity beginning at the Washington-Oregon border and the west section line of Section 15, T6N, R34E; thence north along section lines and McDonald Road approximately seven miles to the southwest corner of Section 3, T7N, R36E; thence east along section lines approximately twenty miles to the southeast corner of Section 1, T7N, R37E; thence south approximately seven miles to the Washington-Oregon border; thence west approximately fifteen miles to point of beginning. (2) Area 1 restrictions: During the period of February 15th through November 1st of any year, any aerial application of use restricted desiccants and defoliants must have prior approval by obtaining a written permit from the Washington state department of agriculture. (3) Area 2 description - Southern portion of Walla Walla County: This area includes all lands lying within an area encompassed by a line beginning at the Washington-Oregon border and the west section line of Section 18, T6N, R33E; thence north along section lines approximately eight miles to the northwest corner of Section 7, T7N, R33E; thence west along section lines approximately nine miles to the southeast corner of Section 4, T7N, R34E; thence south along section lines approximately eight miles to the Washington-Oregon border; thence west along the border approximately nine miles to the point of beginning. (4) Area 2 restrictions: (a) Paraquat restrictions: During the period of February 15th through November 1st of any year, any aerial application of Paraquat or any mixture containing Paraquat must have prior approval by obtaining a written permit from the Washington state department of agriculture. (b) Diquat restrictions: During the period of February 15th through November 1st of any year, any application of Diquat or any mixture containing Diquat is restricted to ground apparatus only.