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JAMES ROBINSON, PE,CE0 Page <br /> March 23,2010 <br /> Tgjt-t N i mber 010-101 <br /> Description Lithology <br /> The soils described in the Soil Survey, The soils encountered where re e Sandy Lo-am <br /> okato a depth of approximately inches and Sandy Loam am o to a depth of <br /> approxitnately 60 irks. <br /> Discussion of Soil Lithology <br /> The ime sand) loam and sandy loam soils encountered indicates that the auverial may be <br /> suitable for a septic syswn however, a percolation test is an approved methoc for determining. <br /> the type of required for the site. <br /> Mass Transpod Properties of tete Soils <br /> The soil Bey mdwate the sails onsite are moderately permeable. Mode ately permeable <br /> sails allow slow 'to modertue infiltration of water through the soils. Treatmer t of the effluent <br /> curs in the surface soils. Therefore, the longer the effluent stays near thwe the more <br /> treatment occurs. Under heavy effluent t demand its permeable soil,.it is poss r.bleat effluent <br /> contar si"es tould impact the first groundwater beneath the site. <br /> 2. GROVINTOWATERAINALYSIS <br /> Groundwater Information <br /> Description Of The Depth And Gradient Of Groundwater In <br /> The So Joaquin County Public Wo&s Dep rim t hiternal Groin r luta Cater <br /> bttp://ww sim p.€r roundw� t /l reviewed The spring 200 F 2009 maps are <br /> the most current maps available from the County. According to diese romps I Plates S 1., <br /> d3'LSWfEn"aA'1) ',SOMW, ,i.,..sf.;-(i <br /> NJ WX 1744,VAU Y`MMS.CA 452,5,2 fW*E' ) . §"VAX f209)'740-4,W2, <br />