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GEQMATRIX <br /> Port of Stockton Log of Well No. MW-2 <br /> Roberts Island No. 1 <br /> BORING LOCATION: DATE STARTED: DATE FINISHED: <br /> Dredge Placement Site, North portion of Western berm 3/12/2001 3/12/2001 <br /> DRILLING CONTRACTOR: TOP OF CASING ELEVATION AND DATUM(FMSL) <br /> All Terrain 11.22 <br /> DRILLING METHOD: SIZE: BORING TOTAL FINAL STATUS: SCREEN INTERVAL: <br /> Hollow Stem Auger 8"O.D. DEPTH: 25 well 14.51 -24.56 <br /> DRILLING EQUIPMENT: BIT TYPE: DEPTH TO FIRST COMPL. 24 HR. <br /> CME 650 WATER 15.25 <br /> SAMPLING METHOD: LOGGED BY: <br /> Drive Bradley Loewen <br /> SAMPLER TYPE: RESPONSIBLE PROFESSIONAL: REG.NO.: <br /> Modified CA Split Spoon Philip P.Ross, R.G. 4155 <br /> DESCRIPTION <br /> _^ a as ;o V NAME:color,moisture,%by weight, ;? REMARKS <br /> CL <br /> w m �z m° 0 plasticity,consistency,structure,cementation, o <br /> o N reaction w/HCI,geologic interpretation <br /> CL SANDY LEAN CLAY:very dark grayish brown(10YR 3/2),moist, X Oxidized sediments to <br /> 80%fines,20%fine sand, low plasticity. 20'bgs <br /> 2 <br /> --------------------------------------------------- <br /> ML SANDY SILT: light olive brown(2.5Y 5/3),moist,60%fines,40%fine <br /> 4 <br /> to medium sand,non-plastic,massive, no odor, hard <br /> 64 <br /> 6— <br /> ---------------------------------------------------- <br /> 8— <br /> -------------------------------------------- <br /> 8 SIDPOORLYGRADED SAND:light olive brown(2.5Y 5/3),moist, 100% <br /> fine to medium sand with trace fines, INTERBEDDED WITH SANDY <br /> SILT(ML):70%fines,30%fine to medium sand, non-plastic,dense <br /> 10 30 <br /> 12 <br /> Sp--- \easy drilling <br /> -------------------------------------------- -- <br /> 14-7POORLY GRADED SAND:olive(5Y 4/3),wet, 100%fine to medium <br /> 12 sand with trace fines, medium dense sand <br /> WL(3/20/01) <br /> 16- <br /> 18— <br /> WL <br /> 618WL(9/04/02,5/01/03) <br /> 20- 20 <br /> SM SILTY SAND:dark greenish gray(GLEY2 10BG 3/1),wet,80%fine Reduced sediments to <br /> to medium sand,20%low plasticity fines, layers of sand with no BOH <br /> 22 fines,medium dense - - <br /> ---------------------------------------------------- -- <br /> 24 PT HIGHLY ORGANIC SOILS: reddish black(1 OR 2.5/1),wet, 100% <br /> organic plant material <br /> 11 <br /> 26 B.O.H.@ 25 feet. <br /> 28 <br /> 30 <br /> 32 <br /> Project No.008324.000.0 SHEET 1 OF 1 <br />