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GROUNDvoIATEK ...� <br /> TECHNOLOGY <br /> Division of Oil Recovery Systems,Inc <br /> Well Number 5 Drilling Log <br /> Project ]-/ Il---ownerSouthl Rnd CQ� -� Sketch Map <br /> LocationStockton, CA 20-2894 See site map . <br /> _ Project Number _ <br /> Date Drilled ����Fi - _Total Depth of Hole '-429­Ft�-•Diameter 7 • 5 In <br /> Surface Elevation Water Level, Initial 28 . 5.1 f4-hrs.30.42 Ft . <br /> Screen: Dia - 2 In• Length 30 Ft, Slot Size •010 In. <br /> Casing: Dia _ 2 In• —_Length_ 15 Ft Type _ PVC ---_ <br /> Drilling Company$ierr_a_Pacific Drilling Method H. S . Auger Notes Sand to 12 Ft . <br /> Driller _L. Pera -� - Logby E. Lekas Bentonite to 11 . 5 Ft . <br /> - ------- - <br /> m o Blows <br /> CD a <br /> LL U (? m m J <br /> m a o Description/Soil Classification <br /> c <br /> m m Z rn Z CL <br /> (Color,Texture,Structures) <br /> O 3CountsC7 <br /> p Gravel . <br /> X. <br /> 1 X.• Black silty, £ine sandy clay , damp , firm, <br /> ;, • , <br /> no hydrocarbon odor . <br /> 2 Brown silty , fine to medium sand , damp, <br /> :•'f loose , no hydrocarbon odor. <br /> 3 - <br /> 4 } <br /> 5 <br /> 6 <br /> 7 •f <br /> v <br /> 8 - <br /> PX <br /> :f <br /> 9 <br /> 10 r: <br /> 11 Light-brown, clayey medium sand, moist , <br /> 12 soft , no hydrocarbon odor. <br /> 13 <br /> 14 Gray-brown , clayey silty , fine sand , moist <br /> 15 6-6-8 5A loose , no hydrocarbon odor. <br /> ( PID 1 . 0 ppm) <br /> 16 <br /> 17 <br /> 18 <br /> 19 - Brown fine to medium sand , damp , loose , <br /> 20 5-9-10 5B no hydrocarbon odor . <br /> 21 ( PID 1 . 0 ppm) <br /> 22 <br /> 23 <br /> 24 ' <br /> 25 5L7--9 5C Orange-brown medium to coarse sand , damp , <br /> loose , no hydrocarbon odor. <br />