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Localized Impacts <br /> To evaluate potential cumulative impacts of LEC in combination with other projects in the <br /> area,projects within a radius of 10 km (6 miles) of the project were used for the <br /> cumulative impacts analysis. <br /> Within this search area, three categories of projects with combustion sources were used as <br /> criteria for identification: <br /> • Existing projects that have been in operation since at least 2007; <br /> • Projects for which air pollution permits to construct have been issued and that <br /> began operation after July 1,2007; and <br /> • Projects for which air pollution permits to construct have not been issued,but that <br /> are reasonably foreseeable. <br /> Existing projects that have been in operation since at least 2007 are reflected in the <br /> ambient air quality data that has been used to represent background concentrations; <br /> consequently,no further analysis of the emissions from this category of facilities was <br /> performed. The cumulative impacts analysis adds the modeled impacts of selected <br /> facilities to the maximum measured background air quality levels, thus ensuring that <br /> these existing projects are taken into account. <br /> Projects for which air pollution permits to construct have been issued but that were not <br /> operational in 2007 were identified through a request of permit records from the San <br /> Joaquin Valley APCD. Projects that had a permit to construct issued after July 1,2007, <br /> would be included in the cumulative air quality impacts analysis. However,as indicated <br /> in the District's response to our request for information about potential projects (copy <br /> attached),there are no projects that meet these criteria. Therefore,the cumulative impacts <br /> analysis includes only the existing NCPA Lodi STIG turbine and emergency Diesel fire <br /> pump engine, along with the LEC. Table 5.1G-3 provides the emission rates and stack <br /> parameters used in the cumulative impacts analysis. The modeling results are <br /> summarized in Table 5.1G-4. The modeling indicates that the maximum modeled impacts <br /> from the old and new plants overlap very little, if at all. <br />