(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.