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City Place Sky Lofts Final Environmental Impact Report Findings 4.1.4 LONG-TERM CUMULATIVE IMPACTS RELATED TO ROG EMISSIONS 4.1.4.1 Potentially Significant Cumulative Adverse Impact Related to Operational ROG Emissions As discussed above and in Section 5.0 (Cumulative Impacts) of the EIR, the operation-related ROG emissions of the City Place Sky Lofts project would exceed the applicable SCAQMD thresholds for these criteria pollutants. The impacts from the proposed project plus related cumulative projects would additionally contribute to cumulatively significant adverse emissions in the South Coast Air Basin (Basin), which is already anon-attainment area. This impact is significant and adverse and cannot be mitigated to below a level of significance. 4.1.4.2 Finding Related to Cumulative Operational ROG Emissions Specific economic, legal, social, technological, or other considerations, including provision of employment opportunities for highly trained workers, make infeasible the mitigation measures or project alternatives identified in the Final EIR. 4.1.4.3 Facts in Support of the Finding Related to Cumulative Operational ROG Emissions There are no feasible mitigation measures to substantially reduce ROG emissions during operation of the proposed project. The significant adverse air quality impacts during operation of the City Place Sky Lofts project cannot be reduced to below a level of significance. Therefore, the City Place Sky Lofts project will contribute cumulatively to adverse air quality impacts in the Basin. 4.1.4.4 Level of Significance of Impacts Related to Cumulative Operational ROG Emissions The contribution of the City Place Sky Lofts project to cumulatively adverse impacts related to ROG emissions during operation cannot be mitigated to below a level of significance. 4.1.5 TRANSPORTATION AND TRAFFIC IMPACTS RELATED TO ROAD SEGMENTS 4.1.5.5 Potentially Significant Adverse Impacts Related to Road Segments in 2010 As described in Section 4.13 (Transportation and Traffic) of the EIR, implementation of the proposed project would result in temporary traffic impacts. For the 2010 traffic conditions, the Main Street road segment between La Veta Avenue and Town & Country Road cannot be mitigated to below a level of significance without amending the Master Plan of Arterial Highways (MPAH) road classification from a Major Arterial to a Principal Arterial. The road reclassification from a Major Arterial to a Principal Arterial would provide one additional lane in each direction. This road reclassification would require an amendment to the City of Orange General Plan and the City of Santa Ana General Plan. As discussed in Section 4.13.4.4 (2030 Traffic Impact Analysis), Main Street between La Veta Avenue and Town & Country Road would operate at an acceptable Level of Service (LOS) D in 2030 without and with the proposed project. Daily traffic volumes on Main Street in 2030 were generally forecasted to be lower than the daily traffic volumes in 2010 because the buildout of the MPAH would provide additional road capacity on the parallel north-south arterial highways such as Bristol Street to the west and Grand Avenue to the east. The additional north-south arterial highways road capacities would alleviate traffic demand on Main Street by shifting some of the traffic demand to Bristol Street and Grand Avenue. F IPROD-ENYICity Place Sky LoftslFinal EIRIFindings-SOCIFindings-SOC.doc Page 9 January 23, 2009 75A-119