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i <br /> SECOR <br /> International Incorporated <br /> n 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) wt(lbs) Dist(in) <br /> classifications and laboratory 8 50 0 140 30 <br /> testingmethods <br /> w <br /> Well <br /> a z w <br /> X a 3 Description a <br /> Construction a a F <br /> • TRAFFIC SILTY SAND(SM)dark yellowish brown <br /> RATED moist,medium dense,fine grained sand,minor gravel,no <br /> o A WELL BOX hydrocarbon odor(10,70,20,0) <br /> GROUT <br /> 5 45 SILTY CLAY(CL) dark gray(2 5Y4/1),very stiff,moist, <br /> low plasticity,no hydrocarbon odor(0,10,20,70) <br /> n n NA <br /> MW-8 0820 <br /> -5' <br /> 0 0 <br /> 10 35 SANDY GRAVEL(GP) very dark grayish brown (2 5Y, 96 <br /> t 4C 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 /> A A hydrocarbon odor(0,100,0,0) <br /> o <br /> 15 31 As above,very strong hydrocarbon odor <br /> >2000 <br /> CLAYEY SAND(SC)very dark gray(10YR3/1),poorly MW-8 0830 <br /> graded,medium grained sand,wet,medium dense, strong -15' <br /> hydrocarbon odor(0,70,10,20) <br /> b b <br /> 20 29 As above, increased clay(0,60,10,30) <br /> 36 <br /> MW-8 0835 <br /> -20' <br /> 0 0 <br /> The substrata descriptions above are generalized representations and based upon visual/manual 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 /> 0 Project No 77EL 14117 03 0502 Date 9/9/03 Log of Well <br /> MW-8 SB-1 GP7 Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 1 of 3) <br />