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number of pieces of equipment for all phases by 1.25, with the exception of worker trips required for the <br /> building construction and architectural coating phases.' Furthermore, the worker trip vehicle class is a 50/25/25 <br /> percent mix of light duty autos, light duty truck class 1 and light duty truck class 2, respectively."10 Finally,the <br /> default worker trip length is consistent with the length of the operational home-to-work vehicle trips.11 The <br /> operational home-to-work vehicle trip lengths are: <br /> "[B]ased on the location and urbanization selected on the project characteristic screen.These values <br /> were supplied by the air districts or use a default average for the state. Each district (or county) also <br /> assigns trip lengths for urban and rural settings" (emphasis added).12 <br /> Thus,the default worker trip length is based on the location and urbanization level selected by the User when <br /> modeling emissions. The below table shows the CaIEEMod default rural and urban worker trip lengths by air <br /> basin (see excerpt below and Attachment A)." <br /> Worker Trip Length by Air Basin <br /> Air Basin Rural (miles) Urban(miles) <br /> Great Basin Valleys 16.8 10.8 <br /> Lake County 16.8 10.8 <br /> Lake Tahoe 16.8 10.8 <br /> Mojave Desert 16.8 10.8 <br /> Mountain Counties 16.8 10.8 <br /> North Central Coast 17.1 12.3 <br /> North Coast 16.8 10.8 <br /> Northeast Plateau 16.8 10.8 <br /> Sacramento Valley 16.8 10.8 <br /> Salton Sea 14.6 11 <br /> San Diego 16.8 10.8 <br /> San Francisco Bay Area 10.8 10.8 <br /> San Joaquin Valley 16.8 10.8 <br /> South Central Coast 16.8 10.8 <br /> South Coast 19.8 14.7 <br /> Average 16.47 11.17 <br /> Minimum 10.80 10.80 <br /> Maximum 19.80 14.70 <br /> Range 9.00 3.90 <br /> '"CaIEEMod User's Guide."CAPCOA, November 2017, available at:http://www.agmd.gov/docs/default- <br /> source/caleemod/01 user-39-s-guide2016-3-2 15november2017.pdf?sfvrsn=4, p.34. <br /> 10"Appendix A Calculation Details for CaIEEMod."CAPCOA,October 2017, available at: <br /> http://www.agmd.gov/docs/default-source/caleemod/02 appendix-a2016-3-2.pdf?sfvrsn=6, p. 15. <br /> 11 "Appendix A Calculation Details for CaIEEMod."CAPCOA,October 2017, available at: <br /> http://www.agmd.gov/docs/default-source/caleemod/02 appendix-a2016-3-2.pdf?sfvrsn=6, p. 14. <br /> 12 "Appendix A Calculation Details for CaIEEMod."CAPCOA,October 2017, available at: <br /> http://www.agmd.gov/docs/default-source/caleemod/02 appendix-a2016-3-2.pdf?sfvrsn=6, p.21. <br /> 13 "Appendix D Default Data Tables."CAPCOA,October 2017, available at:http://www.agmd.gov/docs/default- <br /> source/caleemod/05 appendix-d2016-3-2.pdf?sfvrsn=4, p. D-84-D-86. <br /> 3 <br />