Justification of test system

Application of the test substance to the target crop prior to harvest represents a worst-case scenario for potential exposure to workers for the crop category. 

A protocol should be designed to conform as closely as possible to all ERA requirements. The test substance is a typical end-use product and application and agronomic practices accurately reflect the label and normal crop culture in the areas where the study will be conducted. Dislodging leaf material with a surfactant in aqueous 

Once the first spray has been applied, overhead sprinklers must not be used in the treated plot and control area under any circumstances. Irrigate only under plants for non-DSR studies. 

All maintenance pesticide applications must be approved in advance and documented. Pesticides that do not interfere with analysis may be applied in order to control weeds, pathogens, and other pests if they appear in the treated plot and control area only if absolutely necessary. The treated plot and control area should be maintained with the same compound and rate and at the same time. 

The crop variety and date of planting must be recorded. The variety should be one commonly grown in the area. 

---