Why It’s Important to Triple Rinse?

Nov 9, 2022

A triple rinse container reduces the risk to human and animal health and the environment. Each rinse reduces the amount of active ingredient (ai) that remains in the container to a safer level.

Invert the container over the mixing or sprayer tank and allow it to drain for at least 30 seconds after the flow has slowed down to a drip. Rinse each container immediately after draining and add the rinse water to the mixing or sprayer tank.

Containers must be punctured after rinsing.

How to “triple rinse” empty containers:

  • Add water to about a quarter full.
  • Close the container and shake well.
  • Drain the rinse water into the holding tank of the pesticide applicator.
  • Repeat this rinsing procedure two more times.
  • The concentration of the pesticide in the rinse water should decrease from: 4 000 ppm to 40 ppm with the second rinse.
  • Non-detectable levels with the third rinse.
  • Puncture the container after the third rinse.

Article source: Pest Management Academy – Skill Program NQF Level 4.

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