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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.MW-7 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> r. (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 851 <br /> Project: Marlowe Properties Drilling Go.: Cascade Drilling <br /> Site Location: 4696 East Waterloo Road Rig/Auger Type: CME 75 -8"Hollow Stem Auger <br /> Stockton,CA Lagged By, Brian W.Millman <br /> Reviewed By: Calvin Lee <br /> Project No.: AGE-NC-98-0440 Date(s) Drilled: 30 Augsut 2005 <br /> Notes: sz Water Level Before Drilling Page 1 of 1 <br /> Water Level After Drilling <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> p Well cover cristy boat <br /> —5 Cement grout seal from <br /> .5'to 60'bsg. <br /> —10 8"Boring diameter <br /> —15 2"Casing diameter <br /> —20 MW7-20 9/10/15 0 .020 slot sine <br /> SP:Orange brown,dry,POORLY GRADED SAND <br /> with silt;fine sand,no hydrocarbon(HC)odor. <br /> —25 <br /> 30 MW7-30 9/9115 0 <br /> 3P.Orange brown,dry,POORLY GRADED SAN[] <br /> with silt;fine sand,no hydrocarbon(HC)odor. <br /> —35 <br /> —40 MW7-40 9/11115 0 <br /> CL:Orange brown,dry,CLAY with silt;fine sand <br /> prsent,low toughness,slight plasticity,no HC odor. <br /> -45 <br /> -50 MW7-50 10/12/12 0 7111M I <br /> ML:Orange brown,dry,SANDY SILT;fine sand,23- <br /> 50%fines,no HC odor. <br /> -55 <br /> —60 MW7-60 7115114 0Bentonite seal from 60'to <br /> Gl:Orange brown,dry,CLAY with silt;fine sand 63' bsg <br /> prsent,low toughness,slight plasticity,no HC odor. <br /> —65 <br /> #3 sand from 63'to 8S <br /> bsg. <br /> —70 M77-70 12/15/16 0Screened interval from <br /> SM:Orange brown,dry,SILTY SAND;20%fine sand, 65'to 85'bsg. <br /> no HC odor. <br /> —75 <br /> 8 MW7-80 13/13/15 0 ML:Orabrown,dry,SANDY SILT;fine sand,25- Cap at 85'. <br /> nge <br /> 50%fines,no HC odor. <br /> --85 <br />