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Pleasanton Gateway— Environmental Checklist In 1999, the City of Pleasanton certified the Final EIR for the Bernal Property Specific Plan, which includes the subject site. The Bernal Property Final EIR did not contain an analysis of GHG emissions, as there were no state guidelines, applicable air district thresholds or other such requirements in effect at the time. However, to establish the baseline for the Gateway property with the vested office entitlement, Lamphier- Gregory modeled the 745,000 square -foot office project using the BGM and URBEMIS models and then compared the proposed to the baseline. Deriving a baseline GHG emission level based on the previous office project is appropriate given that it is vested and, therefore, can proceed to construction without having to conduct additional analyses. The results of the analysis are summarized in Table 3, on the following page. Table 3: GHG Emissions of the Approved Office Project and the Proposed Retail /Office Project (CO metric tons per year). Office Project (Baseline) Proposed Project Trans . ortation 20,822.52 20,807.42 Area Source 0.45 1.37 Electric it 6,404.53 6,381.96 Natural Gas 1,043.84 966.21 Water and Wastewater 100.13 86.66 Solid Waste 5,187.33 4,510.71 Refri.erants _ 0 442.47 Total _ 33,558.81 33,196.80 Less Baseline N/a - 33,558.81 Emissions _ Net Increased N/a - 362.01 Emissions The emission of 33,558.81 metric tons per year of CO represents the baseline emissions that can be assumed would have been generated from the previously approved Office Project. The proposed change in land use from an office only use to a mix of retail uses and office uses has substantially changed the traffic generation and vehicle trip characteristics at the site. Generally, retail uses — supermarkets especially for the p.m. commute — will generate a greater volume of trips than office uses, but these trips tend to be much shorter in distance. Retail uses also generally have lower utility usage than office, which factors into lower total GHG emissions. Of greater significance, however, is the 362 metric ton decrease of CO emissions per year for the proposed project compared to the office project, well below the BAAQMD's adopted greenhouse gas threshold of 1,100 metric tons per year of CO Changing the previously approved office only project to the proposed retail /commercial project will change the type of trips attracted to the site and attract some retail trips that otherwise would have had to travel farther. This will result in a significant net reduction in the GHG emissions anticipated for this development. Therefore, the proposed project would be considered to have a less -than significant- impact related to GHG emissions. Page 25 of 52 Pleasanton Gateway Initial Study August 2, 2010