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' Chlorpyrifos corm>Tzorl n <br /> Continued <br /> Application 3. Chemigation applications: <br /> ' method • The permittee or permittee's authorized representative,who is <br /> restrictions knowledgeable of the irrigation system,must be present at the <br /> (continued) treatment site during the application and must be trained as a <br /> ' pesticide handler; <br /> 4. Granular applications: <br /> • Incorporate or clean-up granules that are spilled during loading or are <br /> ' visible on the soil surface in turn areas. <br /> Determining Active ingredient(AD application rate determines setback distance and is <br /> application expressed as pounds of active ingredient per acre(lbs AI/ac).Liquid product <br /> rate- labels usually have the application rate as pints or quarts of product per acre. <br /> Converting To determine lbs Allac,the volume of product applied needs to be converted <br /> liquid volume to pounds of active ingredient based on the amount of chlorpyrifos active <br /> to lbs AT/ac ingredient in the product. <br /> ' Generalized formula: <br /> (lbsAYgallon indicated on the label) x (product volume converted to gallons) <br /> Example—Lorsban Advanced <br /> ' • Proposed application rate is 2 pints/acre <br /> • Label states it contains 3.755 pounds of chlorpyrifos per gallon of <br /> product. <br /> ' • 8 pints in a gallon, <br /> • lbs Al/ac = 3.755 lbs Al/gal x 2 pints/ac+ 8 pints/gal=0.939 lbs AUac. <br /> Continued on next page <br /> ' 2 <br /> ' Chlorpyrifos <br />