The rinse water is the waste, and virtually all pesticide applicators generate at least 2.2 pounds per month. Some of the most commonly used P and U pesticides listed below. Operating a permitted treatment facility is impractical for most applicators. Hazardous waste permits are complex and require monitoring and financial security in case of site contamination. Consequently the least costly alternative is to reduce the volume of waste.
Some states require aerial applicators to reuse their pesticide rime water.
Reuse systems are being built by operators from inexpensive materials to keep costs down. Rinse Aircraft in Flight. Commercial firms now offer onboard washout systems that consist of a 15-20 gallon reservoir, pump, and nozzles inside the spray tank. The reservoir can be a collapsible bag inside the spray tank or a tank located in any other convenient area. The reservoir is filled with water for the last load of each spray job.