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SOILBORINGLOG Boring No. MW-12 <br /> Sheet: 2 of 3 <br /> Client Knowles Property Date 4/9-10/2012 <br /> Address 7835 Thornton Rd. Drilling Co. All Well Abandonment <br /> Stockton,CA Driller Rob _ Rip Type: LAR <br /> Project No. 2129-1140-01 Method 1-101low-Stem Auger <br /> _ Hole Diameter: 8 inches <br /> Logged BY: Shane Edmunds Sam ler: 18"Ion x 2"diameters lits Don <br /> Well Pack sand: 46 ft.to 59 ft Well Construction Casing Material: Schedule 40 PVC <br /> Screen Interval: 48 to 58 ft. <br /> bent.: 43 ft.to 46 ft Casing Diameter 2 in _ <br /> _ Screen Slot Size: 0.020-in <br /> grout: 0 ft to 43 ft Depth to GW: Dfirst encountered: 40 feet bgs .Static 2 <br /> - -- <br /> Sample _Sam pie -- <br /> Blow Depth Lithologic <br /> T No. Count Time Reco, Well Details .Scale ColumnPID <br /> 4-10 START 15 - Descriptions of Materials and Conditions PPM <br /> ML Silt with sand,80%silt,20%fine sand,dry,strong brown 7.5YR 4/6 <br /> S MW-12-21 24 0836 70% 21 0 <br /> 25 --- ______ <br /> 22 <br /> ------------- <br /> GRADESINTO - <br /> -- 23 <br /> ---- -- 24 <br /> 25 <br /> 23 SM Silty sand,70%fine sand,30%silt moist <br /> S MW-12-25 27 0841 67% 26 --4.6 <br /> 33 ------ - -- <br /> 27 <br /> 28 <br /> -- 29 -- - <br /> _ 30 SP Poorly graded sand with gravel,85%_fine-medium sand,15%fine gravel,moist. <br /> S MW-12-30 19 0846 40% reddish brown 2 5Y 514 --""- ---- <br /> 22 -_- 31 CL Silty clay with sand,60%clay,20%silt,20%fine sand,moist 0 <br /> 27 - --- - -- ----- <br /> _ 32 -_- -- <br /> 33 <br /> 34 - — <br /> 35 <br /> 21 - ---------- ------ <br /> Silty clay,60%clay,40%silt,moist,reddish brown 2.5YR 5/4 — -2 8 <br /> 25 _ 36 <br /> S MW-12-36 30 0852 90% ----- - - -- ----- _ <br /> 37 <br /> - 38 <br /> 39 <br /> 40 <br /> Comments: Resumed advancing borehole at 20 feet bgs 4-10-12 <br /> Recovery <br /> Sample <br /> ENVIRONMENTAL,INC. <br />