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hMOUNTAIN HOUSE PROPOSED ALTAMONT HEIGHTS TENTATIVE MAP 4. ENVIRONMENTAL CHECKLIST <br /> 4.6 GEOLOGY AND SOILS <br /> Fi <br /> Less Than <br /> 1 Potential SPIiIEIR Significant <br /> Significant Requires Impact Due New New <br /> Impact Additional to Mitigation Additional Additional <br /> Less Than Adequately Review:No Measures in Impact Not Mitigation <br /> Significant Addressed in Significant Project Addressed in Measures <br /> F1 Issue or No Impact SPIIIEIR Impact Description SPIIIEIR Required <br /> 6. GEOLOGY AND SOILS. Would <br /> Fithe project: <br /> a) Expose people or structures to <br /> potential substantial adverse effects, <br /> including the risk of loss,injury,or <br /> Fiji <br /> death involving: <br /> i) Rupture of a known earthquake ■ ❑ ❑ ❑ L1 <br /> fault,as delineated on the most <br /> recent Alquist-Priolo <br /> Earthquake Fault Zoning Map <br /> issued by the State Geologist <br /> for the area or based on other <br /> substantial evidence of a <br /> Fill <br /> known fault? Refer to Division <br /> of Mines and Geology Special <br /> Publication 42. <br /> Fi, <br /> ii) Strong seismic ground ■shaking? <br /> iii) Seismic-related ground failure, ■ ❑ L 11 L1 <br /> including liquefaction? <br /> Fi iv) Landslides? ■ ❑ ❑ ❑ <br /> b) Result in substantial soil erosion or ■ ❑ ❑ ❑ 11 <br /> 1 the loss of topsoil? <br /> a c) Be located on a geologic unit or soil ■ <br /> that is unstable,or that would <br /> become unstable as a result of the <br /> project,and potentially result in on- <br /> or off-site landslide,lateral <br /> spreading,subsidence,liquefaction <br /> or collapse? <br /> F d) Be located on expansive soil,as ■ ❑ ❑ <br /> defined in Table 18-1-B of the <br /> Uniform Building Code(1994), <br /> creating substantial risks to life or <br /> F property? <br /> e) Have soils incapable of adequately ■ ❑ ❑ ❑ ❑ <br /> supporting the use of septic tanks or <br /> F, alternative wastewater disposal <br /> systems where sewers are not <br /> available for the disposal of <br /> 1 wastewater? <br /> ! 6 <br /> Fl: <br /> F <br /> 4-27 <br />