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SECOR <br /> IntemationalIncorporated <br /> Logged By Date Drilled Drilling Contractor Project Name Metbod/Equipment Well Number <br /> CASCADE TOSCO 8671 HOLLOW STEM AUGER <br /> DH 12/14/01 DRILLING STOCKTON, CA SPLITSPOON MW-5 <br /> See"Legend to Logs"for Bonng SurfaceGroundwater Depth(ft) Total Drive Drop <br /> sampling methal, Diam(in) Elev(ft) 34 FIRST Depth(ft} wt(lbs} Dist(in) <br /> classifications and laboratory S 13 52 TOC X 34 02 STABILIZED 455 140 30 <br /> testis methods <br /> O <br /> Well o. o Description A z <br /> Construction <br /> 18 SAND(SP) light yellowish brown(2 5Y6/3),medium-grained, 925' <br /> 23 dense,damp,poorly graded,no odor(0,95,5,0) <br /> 9 SANDY CLAYEY SILT(ML) olive gray(5Y5/2),fine-grained 0 MW5 <br /> 30 13 sand,low to moderate plasticity,very stiff,damp to moist,no odor @30' <br /> 22 (0,25,50,25) <br /> 8 SILTY SAND (SM) light olive brown(2 5Y5/3),fine-grained sand, 0 MW5 <br /> 2„ 35 11 medium dense,very moist to wet,no odor(0,50,40,10) @35' <br /> 15 <br /> SLOTl ED <br /> SCREEN <br /> 5 0 MW5 <br /> 40 8 Same as above(0,70,25,5) @40' <br /> 9 SAND (SP) dark grayish brown(2 5YR4/2),fine grained,medium <br /> dense,wet,poorly graded,no odor(0,90,5,5) <br /> SAND (SP) brown(10YR4/3),fine-to medium-grained,medium <br /> 8 dense,wet,moderately graded,no odor(0,95,5,0) 0 MW5 <br /> THREADED 45 10 @45' <br /> 11 <br /> END CAP <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 location <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times <br /> . Project No 077 43791 222 Date 12/31/01 PR Log of Well <br /> 8671 MW5 GP7 Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 2 of 2) <br />