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D.3.3. Cumulative Impacts <br /> Impact 6.4 <br /> The project will result in increased traffic volumes that in turn will cause an incremental effect <br /> on air quality that is cumulatively considerable when considered along with past,present, and <br /> future projects in the project area. The combined impact of those projects on air quality would <br /> be a significant impact. (Draft EIR,p. 6-10.) <br /> Significance Before Mitigation: Significant <br /> Facts: Increased traffic volumes would contribute to cumulative air quality impacts. See Draft <br /> EIR,pp. 6-10 to 6-11. <br /> Mitigation Measures: <br /> Mitigation Measure 6.4: Implement Mitigation Measure 4.6.2 to reduce the project's <br /> incremental contribution to cumulative air quality impacts. (Draft EIR,p. 6-11.) <br /> Findings: <br /> Increased traffic volumes from the project would contribute to cumulative air quality impacts in <br /> the project area. Implementation of Mitigation Measure 6.4 would reduce the project's <br /> incremental contribution to cumulative air quality impacts, but not to a less-than-significant <br /> level. As a result, this impact is considered significant and unavoidable for the project. Based <br /> on the whole record, this Commission finds that there are no additional feasible mitigation <br /> measures that would reduce potential cumulative air quality impacts to a less than significant <br /> level. (Draft EIR,p. 6-11.) <br /> Impact 6.5 <br /> Traffic noise levels resultingfrom•om the increase in traffic volumes associated with operation of the <br /> mine will be cumulatively considerable when considered along with past,present, and future <br /> projects in the project area, which will result in increased noise levels at residences located <br /> along truck haul routes. The cumulative impact would be significant. (Draft EIR,p. 6-11.) <br /> Significance Before Mitigation: Significant <br /> Facts: Increased traffic volumes would contribute to increased noise levels along haul routes. <br /> See Draft EIR,p. 6-11. <br /> Mitigation Measures: <br /> Mitigation Measure 6.5: Implement Mitigation Measure 4.5.3. Implement Mitigation Measure <br /> 4.6.2 to reduce the project's incremental contribution to cumulative air quality impacts. (Draft <br /> EIR, p. 6-11.) <br /> Findings: <br /> 36 <br />