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City of San Leandro Alvarado Commerce Center Project <br /> 44 <br />Area Source Emissions <br />CalEEMod was used to calculate direct sources of air emissions associated with the project. These <br />include consumer product use and landscape maintenance equipment. Area emissions associated <br />with project and existing use are estimated at <0.1 MT of CO2e per year. <br />Energy Use Emissions <br />Operation of the project would consume both electricity and natural gas. The generation of <br />electricity through combustion of fossil fuels emits CO2, and to a smaller extent, N2O and CH4. The <br />project would generate approximately 588 MT of CO2e per year associated with overall energy use, <br />of which approximately 375 MT of CO2e per year is due to electricity consumption and <br />approximately 213 MT of CO2e per year is due to natural gas use. By comparison, the existing use <br />generates approximately 24 MT of CO2e per year, of which 22 MT of CO2e per year is due to <br />electricity consumption and 2 MT of CO2e per year is due to natural gas use. <br />Solid Waste Emissions <br />The project would, at a minimum, be required to comply with AB 939 and AB 341, which would <br />increase waste diversion to 75 percent by 2020. However, CalEEMod only accounts for a 50 percent <br />diversion rate associated with AB 939. Therefore, based on a conservative estimate of only a 50 <br />percent reduction in waste diversion, solid waste associated with the project would generate about <br />99 MT of CO2e per year, while the existing onsite use generates approximately 9 MT of CO2e per <br />year. <br />Water Use Emissions <br />Based on the amount of electricity generated in order to supply and convey water for the project, <br />the project would generate an estimated 14 MT of CO2e per year, the same as the existing use. <br />Transportation Emissions <br />Mobile source GHG emissions were estimated using the trip generation rates from the Traffic Study. <br />These trip rates were added to CalEEMod as well as credits for proximity to downtown and transit. <br />The project would generate about 1.69 million annual VMT. CalEEMod does not calculate N2O <br />emissions related to mobile sources. As such, N2O emissions were calculated based on the project’s <br />VMT using calculation methods provided by the California Climate Action Registry General Reporting <br />Protocol (January 2009). The project would emit an estimated 825 MT of CO2e per year from mobile <br />sources. <br />Combined Emissions <br />Table 6 combines the operational and mobile GHG emissions associated with the project as well as <br />the existing land use. The net increase in annual emissions would total approximately 1,391 MT of <br />CO2e per year. These emissions exceed the 1,100 MT of CO2e per year BAAQMD threshold. Since <br />GHG emissions would exceed the BAAQMD threshold, impacts are potentially significant without <br />mitigation. <br />341