- (1) All systems must have antipollution safety devices that include a backflow prevention system, metering device, injection device, and system interlock as listed on the pesticide label and contained in this rule.
- (2) Antipollution safety devices for chemigation systems must comply with all requirements of the pesticide label.
- (3) Antipollution safety devices, when used, must be installed, operated, and maintained in accordance with the device manufacturer's directions.
- (4) When alternative antipollution technology or methods are allowed, they must be designed and function in a manner to fulfill the provisions of this chapter.
- (5) The operator must be able to demonstrate that alternative antipollution technology provides substantially equal or greater protection than required by the provisions of this chapter.
[Statutory Authority: RCW 17.21.030, 15.58.040(2), and 15.54.800(2). WSR 25-22-066, s 16-202-300, filed 10/31/25, effective 12/1/25.]