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6. OTHER STATUTORY CONSIDERATIONS fuel mixtures. Such reduction would more than offset any effects of increase in traffic due to project and cumulative development. Any proposed project that would individually have a significant air quality impact would also be considered to have a significant cumulative air quality impact. For any project that does not individually have significant operational air quality impacts, the determination of significant cumulative impact should be based on an evaluation of the consistency of the project with the — General Plan and with the regional air quality plan. The Proposed Project would result in significant impacts of NOx emissions. Therefore,the project is considered to contribute incrementally to a significant cumulative impact on regional concentrations. — In addition,the impacts of DPM from the Proposed Project combined with other projects in the area would result in significant and unavoidable cumulative impacts. — NOISE - The existing area is agricultural and rural residential in nature. However,there is a nearby mining facility and agricultural composting facility. The other nearby proposed and approved mining projects would have mining and processing noise as well as truck traffic along the roadways, — particularly SR 132, Koster Road,Blewett Road,and Bird Road. The operations and truck haul traffic from the project in conjunction with the other projects in the area would contribute to noise levels to nearby sensitive receptors and those living along roadways. Under Haul Route Option 1,cumulative traffic in combination with the Proposed Project would cause noise levels along the segments of SR 132 east and west of Koster Road,and Blewett Road east of Bird Road to increase by more than 5.0 dBA over existing noise levels. Under Haul Route 2,cumulative traffic in combination with the Proposed Project would cause noise levels along — segments of Koster Road south of SR 132, SR 132 east and west of Koster Road, and Blewett Road east of Bird Road to increase by more than 5.0 dBA over existing noise levels. There would be a potentially significant increase in roadside noise levels attributed to the project when — considered in combination with cumulative development. Impact 4.6.1: Traffic noise levels resulting from the cumulative increase in traffic volumes — associated with operation of the mine and past,present,and future projects in the project area would result in increased noise levels at residences located along truck haul routes. This would be a potentially significant impact. _ With respect to noise generated by mining and processing operations in the area, a cumulatively significant increase in regional noise levels resulting from on-site activities is not expected, as the — intensity of the project-generated noise would be essentially dissipated prior to reaching another aggregate processing plant in the area. However,traffic noise levels resulting from the cumulative increase in traffic volumes associated with development of the Applicants' aggregate — mine, other aggregate mines in the area,as well as general future buildout in the region have the potential to result in noticeably increased noise levels along haul routes. RMC Pacific Vernalis Quarty Mining nd RuIa tion Project 6-10 ESA/20-MI5 Administrative Dmft Eat March 2004