Washington Administrative Code (Last Updated: November 23, 2016) |
Title 16. Agriculture, Department of (See Titles 24, 60, and 142) |
Chapter 16-202. Application of pesticides and plant nutrients through irrigation systems. |
Section 16-202-1011. What are the general antipollution safety device requirements for a chemigation system?
Latest version.
- 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.