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SECOR <br /> Int ern a t ion a l Incorporated <br /> Logged By: Date Drilled: Drilling Contractor Project Name: Method/Equipment: Well Number: <br /> CASCADE 7-ELEVEN#14117 HOLLOW STEM <br /> BC 8/14/03 DRILLING STOCKTON,CA CME-75 MW-8 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft.): Total Drive Drop <br /> sampling method, Diam.(in.): Elev.(ft.): 10 FIRST Depth(ft.): Nvt.(lbs.): llist.(m.): <br /> classifications and laboratory <br /> testing methods 8 50.0 140 30 <br /> Well v `V <br /> Z <br /> Construction o o Description <br /> TRAFFIC SILTY SAND(SNI[)dark yellowish brown(1OYR,3/6), <br /> RATED moist,medium dense, fine grained sand,minor gravel,no <br /> a: A.. WELL BOX hydrocarbon odor(10,70,20,0). <br /> GROUT <br /> b,, p,•, 5 <br /> 45 SILTY CLAY(CL):dark gray(2.SY4/1);very stiff;moist; <br /> low plasticity;no hydrocarbon odor(0,10,20,70). <br /> NA <br /> MW-8 0820 <br /> -5' <br /> 10 <br /> 35 SANDY GRAVEL(GP)-very dark grayish brown (2.5Y, 96 <br /> 3/2);wet;dense;medium-coarse grained sand;gravel to 1" MW-8 0825 <br /> diameter•subrounded 70 30 0 0 . -10' <br /> SAND(SP):very dark gray(10YR3/1);poorly graded; <br /> medium grained sand;wet;medium dense;strong <br /> hydrocarbon odor(0,100,0,0). <br /> ° 15 31 As above;very strong hydrocarbon odor. <br /> >2000 <br /> CLAYEY SAND(SC).-very dark gray(IOYR3/1);poorly MW-8 0830 <br /> graded;medium grained sand;wet;medium dense;strong -15' <br /> hydrocarbon odor(0,70,10,20). <br /> n? p? <br /> 20 29. As above;increased clay(0,60,10,30). <br /> 36 <br /> MW-8 0835 <br /> -20' <br /> The substrata descriptions above are generalized representations and based upon visuaUmanual classification of cuttings and/or <br /> samples obtained 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 locatio <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times. <br /> Project No. 77EL.14117.03,0502 Date 9/9/03 Log of Well <br /> MW-8 SB-LGPJ Approved b <br /> LOG OF BOREHOLE pp y <br /> Figure (sheet 1 of 3) <br />