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**Am,V S.-01 <br /> Light, Air and Space Construction, San Jose, CA Exploratory Boring Log <br /> Project No.0616 BORING NO.MW-11 Drilling Method:8"Hollowstem Page 1 of 1 <br /> Logged by: CMP Date:Oct. 7,2008 BOREHOLE COMPLETION: <br /> Client: Dana Well Installed:2"dia.Sch.40 PVC <br /> Location: 19589 McKinley Avenue Total Depth:23' Casing Depth:21' <br /> Manteca,CA Screen Length: 10' Slot Size:0.020 <br /> Permit:SJC EHD 0055577 Blank Length: 11' Sand Pack:#3 <br /> Water Levels: 1 st Enc 15'@ 08:55 Static: 11.8'@ 09:06 rising Top Sand Pack:9' Top Bentonite:8' <br /> m <br /> Grout Seal:8'to Surface vault box TOC 16.62'MSL <br /> Sample PID BlowE Depth Well Detail/ <br /> No. IOV Count W p Lithology Log Backfill <br /> ML-Sandy SILT,light gray 2.5Y7.2,nonplastic,very weakly cemented, <br /> f:med,sand 30%,firm to hard. <br /> MW 1-1 5 SM-Silty SAND,light grayish brown 2.SY612, nonplastic,f.-med.sand 60%, <br /> @ 5, - 4 silt 40%,locally slightly cemented,loose,moist;inc.sand to 80%,contains -�- <br /> 10-inch thick silt interbed at 9 feet. <br /> MW-1-1 _ 0 <br /> @ 10' 9 <br /> ML-SM-Interbedded Sandy SILT and Silty SAND, light grayish brown 2.5Y6l2, <br /> ML-slighlty plastic day<10%;SM-sand f.to med.up to 80%,locally 90%, <br /> and moist to saturated by 15',medium dense,moist to saturated. <br /> MW-1-1 15 <br /> @ 15' 16 Same as above,very thin siilt beds,medium dense,saturated. <br /> Incerease in sand,micaceous,medium dense,saturated;sand becomes f.to <br /> crs,then transition from 20 to 21 feet to underlying stratum. <br /> MW-1-11 20 <br /> @ 20- _ 16 <br /> ML-Clayey SILT,olive brown 2.SY4I4,slightly plastic,silt/clay fines 75%, <br /> MW-1-1 20 f.sand 25%,possible caliche,stiff,damp. <br /> Q 21.5' - <br /> Bottom of Boring=23 feet,slight flawing <br /> swab clay plug into sampler hole. <br /> Reviewed by PG <br />