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In addition to the above measures, one or more of the following <br /> steps should be implemented (subject to approval by the SJCAPCD) to <br /> assure that fugitive dust levels are reduced to the greatest practicable <br /> extent: <br /> • Surrounding the site with wind breaks. <br /> • Cleaning all vehicles leaving the site. <br /> • Covering all trucks entering or leaving the site. <br /> • Paving heavily used unpaved areas. <br /> • Sweeping and/or vacuuming of paved areas. <br /> • Use of vegetative covers for unpaved areas. <br /> • Other means as specified by the SJCAPCD. <br /> Finally, steps should be taken to reduce the maximum individual <br /> cancer risk associated with project emissions from 3.1 x 10-6 to <br /> 1.0 x 10-6. These steps would include one or more of the following <br /> actions, also upon approval of the SJCAPCD: <br /> • Restrict the levels of toxic constituents present in waste and <br /> fuel oil . Oils having toxic concentrations above the permissi- <br /> ble levels would not be used at the facility. <br /> • Restrict the number of hours the facility is allowed to operate, <br /> thereby limiting the amount of oil consumed. Fuel oil consump- <br /> tion could also be reduced by operating the facility at less <br /> than full capacity. Finally, if the biomass has a lower mois- <br /> ture content than anticipated, oil consumption would be reduced. <br /> The most effective and satisfactory approach would likely be some <br /> combination of the above actions. <br /> 3-66 <br /> 101-30.R5 4/13/89 <br />