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` e i <br /> SECOR <br /> lnremahonai lncorporafed <br /> . Logged By Date Drilled: Drilling Contractor Project Name: Method/Equipment: Well Number: <br /> *- Hollow Stem Auger <br /> B.huller 4/1/04 Cascade Drilling I39 S.Center St.,Stockton,Ca CME-75 MW-15D <br /> See�bn <br /> toLogs"forBoring Surface Groundwater Depth(ti): Total Drip a Drop <br /> orf, Diara(in.): Elcv.(tL): 24,5 First Encountered Dept(0)- wt.(Ibs_): Dist m..and laboratory ) <br /> testin methods 10 51.0 140 30 <br /> Q a" <br /> Well Details a Description ' a <br /> A n <br /> a °- <br /> 12-inch C Soil Surface <br /> traffic rated <br /> well box. <br /> Location was vacuum cleared to 8'2"bgs on 3/2912004. <br /> 5 <br /> SELTY SAND(SI1n:Yellowish brown(1 OYR 5/4);15-25%non-plastic fines; <br /> 75-85%fine-grained sand;trace iron-oxide staining;damp;loose;no <br /> 4"Sch_40 hydrocarbon odor. <br /> PVC Set In <br /> Portland <br /> Cement 10- <br /> 2/5 <br /> SANDY CLAY(CLS)•Pale broamn(1 OYR 613);75-85%high plasticity fines; <br /> 15-25%well graded sand;damp;very dense;no hydrocarbon odor. <br /> 15 <br /> 215 1.6 <br /> -------------------------------------- <br /> SANDY SILT(NIL):Brown(10YR 5/3);75-85%low plasticity fines; <br /> 15-25%fine-grained sand;trace iron-oxide staining;damp;no hydrocarbon <br /> odor. <br /> 20 <br /> 5/5 1.3 <br /> SANDY CLAY(CLS):Dark greenish gray(Gleyl 4/1 OY);75-85%high ^ <br /> plasticity fines;15-25%fine-grained sand;damp;slight hydrocarbon odor. <br /> The substrata descriptions above are generalized representations and based upon visuaVmanual 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 location <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times. <br /> • Project No. 77CH.90557.04 Date March/April 2004 Log of Well <br /> CH9055?.GPI Appro,.td by <br /> LAG OF BOREHOLE <br /> Figure 15 (sheet 1 of 3) <br />