- (1) Rinsate must be applied at or below label rate to a target site or disposed of properly in accordance with chapter 173-303 WAC.
- (2) Contaminated backflush water from a filtration device shall be disposed of in a manner that will not contaminate groundwater or surface water or adversely impact sensitive areas.
[Statutory Authority: RCW 17.21.030, 15.58.040(2), and 15.54.800(2). WSR 25-22-066, s 16-202-270, filed 10/31/25, effective 12/1/25.]