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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 />