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Munn&Perkins Quarry Excavation Permit Traffic and Circulation As noted above, under this alternative all nighttime truck traffic would be required to enter and exit the Munn&Perkins facility via eastbound E' River Road.As the traffic analysis in the EIR assumes that all project traffic could potentially use either the east or west haul route,the potential traffic impacts of the West Only Haul Route would be the same as the proposed project for E.River Road and Santa Fe Road. However,in order to serve projects located east of the plant,haul trucks would need to use a westerly connector such as.Highway 219/Claribel Road or County Highway J7/Main Street. This increase would not necessarily be significant,given the lower traffic levels experienced at night in the area In Air Quality and Climate Change Impacts to air quality may occur under this alternative due to potentially increased haul distances to serve easterly projects(see traffic discussion above).Delivering material to the west would require increased haul distances,resulting in increased criteria pollutants and greenhouse gas emissions.These increases are not necessarily significant,but would represent an increase over the proposed project. Noise As noted above, this alternative would reduce noise related impacts to sensitive residential receptors located west of the project site entrance along E. River Road. However, residences east of the project site entrance along E. River Road would still experience noise related impacts during nighttime operations. Therefore,the overall number of receptors would be reduced, but the remaining westerly receptors will still be impacted.Additionally,the easterly receptors could experience an increase in the number of nights with extended operating hours, as haul trucks headed to the west would still have to pass by on their way to McHenry Avenue. 13 4.3 Environmentally Superior.Alternative Table 4-1p summary summa rovides a of the evaluation of the alternatives compared to the proposed project.As shown in Table 4-1,the No Project Alternative would.result in the reduction of all potentially significant impacts. Although the No Project Alternative would be considered the environmentally superior alternative, it does not fulfill the objectives of the project.Moreover, CEQA Guidelines Section 15126.6(e)(2)states that if the environmentally superior alternative is the no project alternative,the EIR shall also identify an environmentally superior alternative among the other alternatives. Both Alternatives 2 and 3 would reduce the number of residential noise receptors impacted, but increase the frequency for.those particular receptors. However,it is likely that Alternative 3 would more additional effects, by increasing haul distances and potentially exposing additional receptors, including residents of Riverbank,to increased truck haul noise. Therefore,the West Only Haul Route Alternative(Alt. 2), is the environmentally superior alternative. However, it should be noted that for the individual receptors located west of the project site,the noise impacts experienced would be equal or greater than the proposed projects. Munn&Perkins Quarry Excavation Permit 4-6 ESA!211086 Draft EIR April 2011