What are the general antipollution safety device requirements for a chemigation system?
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. To prevent backflow into the irrigation water source or chemical supply system.
[Statutory Authority: Chapters 15.54
, 15.58, 17.21, and 34.05
RCW. WSR 01-23-018, § 16-202-1011, filed 11/9/01, effective 11/9/01.]