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General Drift Minimization, Continued <br />II. GROUND <br />A. Vehicle -mounted or towed ground equipment, other than handguns, used to make <br />applications shall be equipped with: <br />1. Nozzles having an orifice not less than one -sixteenth of an inch in diameter (or <br />equivalent) and operated at a boom pressure not to exceed the manufacturer's <br />recommended pressure for the nozzles being used; or <br />2. Low-pressure fan nozzles with a fan angle number not larger than 80 degrees and nozzle <br />orifice not less than 0.2 gallon per minute flow rate (or equivalent) and operated at a <br />boom pressure not to exceed 15 pounds per square inch. <br />B. Applications of a pesticide spray solution made by vehicle -mounted or towed ground <br />equipment shall meet the following requirements: <br />1. Apply only when wind speed is ten miles per hour or less at the application site, as <br />measured by an anemometer positioned four feet above the ground. <br />2. Discharge shall start after entering the target site; discharge shall be shut off before <br />exiting the target site. <br />(Rev. 2-11) C-2 <br />