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SAN JOAQUIN COUNTY CONDITION D <br /> Chlorpyrifos Permit Conditions <br /> Introduction These recommendations apply to products containing chlorpyrifos labeled for <br /> the production of an agricultural commodity.Follow the most restrictive <br /> requirement,whether it is the label,regulations,or CAC conditions. <br /> Definitions Application Block-A field or portion of a field treated in a 24-hour period <br /> that typically is identified by visible indicators,maps,or other tangible <br /> means.The perimeter of the application block is the border connecting the <br /> outermost edges of the total area treated. <br /> Sensitive Site-As described by labels,sensitive sites are areas frequented by <br /> non-occupational bystanders(especially children).These include residential <br /> lawns,pedestrian sidewalks,outdoor recreational areas such as school <br /> grounds,athletic fields,parks,and all property associated with buildings <br /> occupied by humans for residential or commercial purposes. Sensitive sites <br /> include homes,farmworker housing,or other residential building,schools, <br /> daycare centers,nursing homes, and hospitals.Non-residential agricultural <br /> buildings, including barns,livestock facilities,sheds,and outhouses, are not <br /> included in the prohibition. <br /> Setback distance-Distance in feet that must separate sensitive sites from the <br /> application block.The distance must extend outward from the perimeter of <br /> the sensitive site to the perimeter of the application block. Setback distances <br /> must be established for chlorpyrifos applications near sensitive sites. <br /> Application 1. All applications must take place with a minimum wind speed of 3 mph <br /> inethod and not more than 10 mph as measured at a height of 4 feet above the <br /> restrictions ground; <br /> 2. Airblast applications: <br /> a. Spray the two outside crop rows from outside in,directing the spray <br /> into the treatment area and shutting off nozzles on the side of the <br /> sprayer away from the treatment area, <br /> b. Shut off top nozzles when treating smaller trees,vines, or bushes to <br /> minimize spray movement above the canopy; <br /> Continued on next page <br /> 1 <br /> Chlorpyrifos <br />