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N- <br /> S <br /> S ECOR <br /> Logged By: Date Drilled: Drilling Contractor Project Name: Method/Equipment: well Number: <br /> 7-Eleven#19976 <br /> C.Ryan 11/29/06 Gregg Drilling Manteca,CA Hollow Stem SP-2 <br /> Boring Surface Groundwater Depth(ft.): Total Drive Drop <br /> Diam.(in.): Elev#t.): 26 First Depth(ft.): wL(]bs.): Dist.(in.): <br /> g 40.0 140 30 <br /> W <br /> Well w <br /> a Description <br /> Consbuction Q c, <br /> C1 a d <br /> ,2 <br /> damp,no HC odor,(0,70,30,0) <br /> 20 ; SAND(SW): Gray,coarse grained,subangular,loose, 0.0 SP-2 0150 <br /> 50/6 saturated,no HC odor,(0,100,0,0) @30' <br /> 30 <br /> BE NTONITT <br /> 19 As above,transitioning into a very hard,clayey silt. 0.0 SP-2 0200 <br /> #3 SAND 50/4 s, <br /> SILTY CLAY(CL): medium plasticity,medium <br /> 35 12 toughness,damp,very stiff,no HC odor,(0,0,60,40) 0.0 SP-2 0207 <br /> 20 @36.5' <br /> Ceramic-Stec 26 <br /> Spirge Tip SAND(SW): medium to coarse grained,subangular, <br /> saturated no HC odor 0 100 0'0) <br /> CLAY(CL): Very hard <br /> 13 Saturated Flowing Sands,no bag sample taken. 0.0 SP-2 0220 <br /> 50/5 @401 <br /> 40 <br /> 45 <br /> The subs b ata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples o..3tained during drilling. Predominant material types shown on the log may contain different materials and the change from <br /> one predominant material type to another could be different than indicated. Descriptions on this log apply only at the specific location <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times. <br /> Project No. 77EU19976.06.0603 Date 11/28/2006 Log of Well <br /> MW-8&S]1-2,3.GPJ Figure <br /> LOG OF BOREHOLE (sheet 2 of 2) <br />