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PDFWAC 16-202-2008

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, ยง 16-202-2008, filed 6/18/01, effective 11/9/01.]
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