What are the general antipollution safety device requirements for a fertigation system?
All systems must have antipollution safety devices that include a backflow prevention system, a metering device, injection device, and system interlock to prevent backflow into the irrigation water source or chemical supply system.
[Statutory Authority: Chapters 15.54
, 15.58, and 17.21
RCW. WSR 01-13-063, § 16-202-2008, filed 6/18/01, effective 11/9/01.]