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Amortized Over 30 Years 117 <br />a CO2e was calculated using CaIEEMod version 2022.1.1.14. Refer to <br />Attachment D. <br />Source: DKA Planning, 2023. <br />Operation <br />Area Source Emissions <br />Area source emissions were calculated using the CalEEMod emissions inventory model, which <br />includes landscape maintenance equipment, use of consumer products, and other everyday <br />sources. As shown in Table 13, the Project would result in 19 MTCO2e per year from area sources. <br />Table 13 <br />Annual GHG Emissions Summary (Buildout)a <br />(metric tons of carbon dioxide equivalent [MTCO2e11 <br />Year <br />MTCO2a <br />Areab <br />19 <br />Energy° (electricity and natural gas) <br />908 <br />Mobile <br />3,355 <br />Solid Wasted <br />186 <br />Water/Wastewaters <br />53 <br />Refrigerants <br />1 <br />Construction <br />117 <br />Total Emissions <br />4,639 <br />a CO2e was calculated using CaIEEMod. <br />b Area source emissions are from landscape equipment and other operational equipment <br />only, hearths omitted. <br />Energy source emissions are based on CaIEEMod default electricity and natural gas usage <br />rates. <br />d Solid waste emissions are calculated based on CaIEEMod default solid waste generation <br />rates. <br />e Water/Wastewater emissions are calculated based on <br />CaIEEMod default water <br />consumption rates. <br />Source: DKA Planning, 2023. Refer to Attachment D. <br />GHG emissions are emitted because of activities in buildings when electricity and natural gas are <br />used as energy sources. Combustion of any type of fuel emits CO2 and other GHG emissions <br />directly into the atmosphere. When electricity is used in a building, the electricity generation <br />typically takes place off -site at the power plant; electricity use in a building generally causes <br />emissions in an indirect manner. <br />Cabrillo Town Center City of Santa Ana <br />Technical Memorandum August 2023 <br />City Council 18 — 544 10/3/2023 <br />