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M m <br /> X p <br /> Table 2-2 <br /> CD Summary of Impacts and Mitigation Measures <br /> Cn <br /> Significance Significance <br /> v Impacts Before Mitigation Measures After <br /> Mitigation Mitigation <br /> 3. Staging areas for heavy-duty construction equipment shall <br /> be located as far as possible from sensitive receptors. <br /> 4. Use alternative fueled or catalyst equipped diesel <br /> construction equipment,where reasonable available,such as <br /> equipment capable of using biodiesel or emulsified fuel. <br /> Alternative fuels and NOx reduction equipment should be <br /> ARB-certified. <br /> 5. Limit the hours of operation of heavy duty equipment and/or <br /> the amount of equipment in use at any one time. <br /> 6. Curtail construction during periods of high ambient <br /> pollutant concentrations;this may include ceasing of <br /> construction activity during the peak-hour of vehicular <br /> traffic on adjacent roadways or on Spare the Air Days. <br /> I' Implementation of Mitigation Measures 4.3-1A and D would result in <br /> Z' the required minimum 20%reduction in NOx emissions and a 45% <br /> reduction in PMIo emissions from heavy-duty diesel equipment,as <br /> compared with statewide average emissions.In addition, <br /> implementation of these measures would also result in a 5% <br /> reduction in ROG emissions from heavy-duty diesel equipment.All <br /> CD <br /> or part of the reductions may result from on-site equipment and fuel <br /> selection;the remainder would result from off-site reductions <br /> p achieved through the payment of fees.Implementation of these <br /> v measures would reduce temporary, short-term,construction-related <br /> Q emissions of ROG and NOx generated by the proposed project,but <br /> o not to a less-than-significant level,as emissions would still exceed <br /> CD SJVAPCD's significance thresholds.As a result,this impact <br /> o (generation of construction-related NOx emissions)would remain <br /> C significant and unavoidable. <br /> m With respect to fugitive PMIo dust emissions,implementation of <br /> Mitigation Measures 4.3-1B and C would ensure compliance with <br /> 0 v Regulation VIII,which is required by law,and include additional <br /> 0 <br /> SJVAPCD-recommended control measures.As a result,this impact <br /> v (generation of construction-related fugitive PMIo dust emissions) <br /> would be reduced to a less-than-significant level. <br /> M m <br /> v �u <br /> LTS=Less than Significant S=Significant PS=Potentially Significant SU=Significant and Unavoidable <br />