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Drilling Log <br /> IT CORPORATION Monitoring Well SPV-1 <br /> A Member of the IT Group <br /> Proiect 7-Eleven SS1120632 owner-/ Eleven Inc See Site Map <br /> Location X1627 DaVinci Dave, Stockton CAProt No <br /> 779962 For Boring Location <br /> Surface Slee Total Hole Depth 15 ft Diameter 10 in COMMENTS <br /> Top of Casing Water Level Initial 1? ft Static <br /> Screen Ola 2 in /2 In Length 5 ft /5 ft Type/Size PVC 0 010 in Dial nes red web SPV-r <br /> Casing Dia 2 in 6' 2 in Length 3 ft / 10 ft Type Sch 40 PVC <br /> Fill Material 2/16 Sand/Bent/Neat Cement Rig/Core Truck Mounted 6600 <br /> Drill Co Vi100ex Method HSA 10 <br /> Driller Steve Log By Kiro Metez Date 04/09/02 Permit # <br /> Checked By Ed Simonis License No California RG#4422 <br /> _ o ` T <br /> E �, o `-'�, ro Description <br /> �'-- E a e m �� rn (Color, Texture, Structure) <br /> O g Q (n <br /> U CO m 0Trace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> -2 <br /> 0 <br /> ^ Hand auger to 5 feet <br /> 2 <br /> 17 <br /> 4 <br /> CL <br /> 6 = 20 Sandy CLAY (15 85) mottled dark gray/gray brown most stiff <br /> plastic no hydrocarbon odor <br /> 100 ML Grades sandy silty CLAY (I5 35 50) brown pi oduct odor <br /> 8 700 <br /> D800 Grades clayey very fine SAND and SILT (15 35 (30) bi own to gray <br /> 10 brown moist/wet slightly stiff to soft/triable non-plastic: strong <br /> 50 ML hydi ocai bon odor <br /> 12 _ 10 p Grades very fine SAND and SILT (30 70) brown wet slightly stiff <br /> to wet, slight plastic no to very slight hydl ocarbon odor <br /> - 20 <br /> 14 = 5 CL Grades varying CLAY content no hydrocarbon caol <br /> 16 <br /> 18 <br /> - 20 - <br /> 22 - <br /> - 24 - <br /> - 26 24 <br /> 26 <br /> N/24/2002 lithlog-Mar 99 Page I of I <br />