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assumptions,and calculations provided in the appendices of the EIR.The analysis requires the following tasks. Compile Background Air Quality and Climate Change Information The air quality background information will include a description of air pollutants,the factors that influence air quality within the region,existing air quality conditions,and the regulatory environment for air quality.The analysis will briefly describe the health impacts of the various air pollutants.The applicable General Plan policies with respect to air quality will be included as a list. The GHG background information will include a description of GHGs, a brief discussion of the current state of the science,existing GHG emissions inventories applicable to the project,and the regulatory environment surrounding climate change and potential impacts of climate change. The applicable General Plan policies with respect to GHGs will be included as a list.The City of Pleasanton's Climate Action Plan will be discussed including adopted emission reduction targets(i.e., 15% below 2005 levels by 2020)and applicable emission reductions strategies and measures. Estimate Air Pollutant and Greenhouse Gas Emissions Air pollutant emissions associated with construction and operation will be estimated using the most current version of the California Emissions Estimator Model (CalEEMod), which at the time of this writing is Version 2015.3.2. Emissions of the following air quality pollutants will be estimated: reactive organic gases(ROGs), oxides of nitrogen (NOx), particulate matter with aerodynamic diameter less than 10 microns(PM,o), and particulate matter with aerodynamic diameter less than 2.5 microns(PM2 s). Construction equipment and vehicles used during project construction would emit air pollutant and GHG emissions as a result of fossil fuel combustion. Earth disturbance activities such as site grading,cut/fill operations, and site preparation would generate fugitive PM dust in the form of PMlo and PM2.5 emissions. However, it should be noted that BAAQMD's construction thresholds only apply to exhaust- related PMio and PM2.S.The average daily construction-related criteria pollutant and ozone precursor (ROG and NOx) emissions estimates will be compared with BAAQMD's thresholds of significance. Following construction of the proposed project, long-term operational emissions would be generated by area-, energy-, and mobile-source emissions. FCS will rely on vehicle trip generation data from the traffic study to model mobile source emissions. Long-term daily operational emissions will also be compared with BAAQMD's thresholds of significance to determine impacts. FCS will prepare a Request for Information (RFI) detailing all project construction and operational parameters required to perform the modeling. In the case that project-specific information is not available at the time of the analysis, FCS will work with the project applicant to develop reasonable assumptions,or use CalEEMod defaults. It should be noted that default assumptions typically result in conservative results in order to avoid underestimating emissions when project-specific information is unknown. Following finalization of model assumptions through the RFI, major changes to the project features, design, schedule or other parameter(s)that precipitate revisions to the emissions modeling may warrant a budget augment. GHG emissions associated with construction and operation of the project will also be estimated using CaIEEMod. For the GHG analysis,CaIEEMod estimates GHG emissions in units of metric tons of carbon dioxide equivalent(MT CO2e), which accounts for the global warming potential of GHGs such as carbon NORTH AMERICA I FUROPE I AFRICA I AUSTRALIA;.ASIA FIRSTCARBONSOLUTIONS.COM