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SOIL BORING LOG Boring No. MW-12 Sheet: 3 of 3 <br /> Client Knowles Property Date 4/9-10/2012 <br /> Address 7835 Thornton Rd. Drilling Co. All Well Abandonment Rig Type: LAR <br /> Stockton,CA Driller Rob <br /> Project No. 2129-1140-01 Method Hollow-Stem Auger Hole Diameter: 8 inches <br /> Logged By: Shane Edmunds Sampler: 18"long x 2"diameter split spoon <br /> Well Pack sand: 46 ft.to 59 ft. Well Construction Casing Material: Schedule 40 PVC Screen Interval: 48 to 58 ft. <br /> bent.: 43 ft.to 46 ft. Casing Diameter 2 in. Screen Slot Size: 0.010-in. <br /> grout: 0 ft.to 43 ft. Depth to GW: Qfirst encountered: 40 feet bgs .Static: <br /> Sample Blow Sample Depth' Lithotogic - PID <br /> Tempe No. Count Time Recov. Well Details Scale Column _ Descriptions of Materials and Conditions PPM) <br /> 18 7— 12 <br /> 20 41 CL Sandy clay,70%clay,30%fine-coarse sand.wet,light brown 7.5YR 6/3, <br /> ----- --- --- ----- <br /> S MW-12-41 23 0901 100% caliche <br /> 42 <br /> 43 <br /> 44 <br /> 45 <br /> above -- -- — 10 <br /> 29 46 <br /> S MW-12-46 31 0909 100% ---------- -— - -- -------- —- <br /> 47 SC Clayey sand,80%fine-medium sand,20%clay,wet,sticky _ — — <br /> 20% 48 As above,70%sand,30%clay 8 <br /> — ---------------------------- --- <br /> 49 —--- —— — <br /> 50 - ---- <br /> 22 S M Silty sand,85%fine-coarse sand,15%silt,olive gray 5Y 5/2 15 <br /> S MW-12-51 29 0922 50% = 51 _- <br /> 24 <br /> 52 - —- <br /> 22 = 53 SC Clayey sand,70%fine sand,30%clay -- 113 <br /> 24 <br /> S MW-12-54 27 0930 100% 54 <br /> 55 <br /> 19 25% = SP-SM Poorly graded sand with fines,90%fine sand,10%fines,saturated <br /> 23 — 56 <br /> 27 =_ <br /> 57 ---- — - <br /> 18 = 58 Asve abo ----- _--_ 523 <br /> 22 CL Sandy clay,60%clay,40%sand,wet,olive gray 5Y 5/2 <br /> S MW-12-59 25 0938 90% 59 <br /> 60 <br /> Comments: <br /> Recovery <br /> Sample <br /> ENVIRONMENTAL,INC. <br />