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Climate <br />City of Santa Ana -Park View at Town and Country Manor <br />Draft EIR <br />the project. Therefore, it is not anticipated that the project would emit perfluorocarbons or sulfur <br />hexafluoride. <br />Construction <br />The project would emit greenhouse gases from upstream emission sources and direct sources <br />(combustion of fuels from worker vehicles and construction equipment). <br />An upstream emission source (also known as life cycle emissions) refers to emissions that were <br />generated during the manufacture of products to be used for construction of the project. Upstream <br />emission sources for the project include but are not limited to the following: emissions from the <br />manufacture of cement; emissions from the manufacture of steel; and/or emissions from the <br />transportation of building materials. The upstream emissions were not estimated because they are not <br />within the control of the project and to do so would be speculative at this time. Additionally, the <br />California Air Pollution Control Officers Association (CAPCOA) White Paper on CEQA & Climate <br />Change supports this conclusion by stating, "The full life -cycle of GHG [greenhouse gas] emissions <br />from construction activities is not accounted for ... and the information needed to characterize [life - <br />cycle emissions] would be speculative at the CEQA analysis level." Therefore, pursuant to CEQA <br />Guidelines Sections 15144 and 15145, upstream /life cycle emissions are speculative and no further <br />discussion is necessary. <br />Direct carbon dioxide emissions from construction were estimated using URBEMIS2007. Emissions <br />of nitrous oxide and methane are negligible. The emissions are from all phases of construction. As <br />shown in Table 4.8 -2, total emissions during construction would be approximately 7,962 MTCO2e. <br />Table 4.8.2: Project Construction Greenhouse Gases <br />hase <br />Carbon Dioxide Emissions <br />Emissions (tons) (MTCOse) <br />7Grading <br />17 <br />15 <br />cavation <br />387 <br />351 <br />7 <br />6 <br />Building (2011) <br />1,982 <br />1,798 <br />Building (2012) <br />6,341 <br />5,753 <br />Asphalt Paving <br />37 <br />34 <br />Coating <br />6 <br />5 <br />Total <br />8,777 <br />7,962 <br />MTCO2e = metric tons of carbon dioxide equivalent, cotwerted from tons by multiplying <br />by 0.9072 and the global warming potential of 1. <br />Source: Michael Brandman Associates, Climate Change Analysis Report, 2009. <br />4.8 -8 Michael Brandman Associates <br />H t(PN Rnb327b327WM%DEM%D3270030 See0 Clvre Ch ged <br />