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SECOR <br /> Inte=twnal Inc5tTorated <br /> Logged By Date Dnlled Drilling Contractor Project Name Method/Equipment Well Number <br /> WEST ARCO#4932 SPLIT SPOON <br /> CM 6110/02 HAZMAT STOCKTON,CA HOLLOW STEM AUGER MW-1 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diarn(in) Elev(ft) 26 FIRST Depth(ft) wt(lbs) Dist <br /> classifications and laboratory <br /> testing methods 8 NA 28 STABILIZED 410 140 30 <br /> Well a <br /> x 3 Description <br /> Construction <br /> 7 SANDY SILT(ML) brown(10YR5/3),fine-grained sand,low plasticity, 0 <br /> 10 ve stiff,moist rootholes 0 35 65 0 <br /> 13 SILTY SAND(SM) brown(10YR5/3),fine-grained sand,medium dense, <br /> moist to wet(0,70,30,0) <br /> 301 6 SAND (SP) dark yellowish brown(10YR3/4),with silt,fine-grained, 0 <br /> 9 medium dense wet 0 9010 0 <br /> 13 SANDY SILT(ML) dark yellowish brown(10YR4/4),with clay, <br /> fine-grained sand,moderate plasticity,very stiff,moist(0,25,65,10) <br /> 35 7 0 <br /> 7 Same as above,stiff <br /> 13 <br /> THREADED 40 7 SILTY CLAY with SAND(CL) grayish brown(2 5Y5/2),fine-grained 0 <br /> END CAP 13 sand,moderate plasticity,hard,moist, slickensided granualr structure <br /> SAND 20 -,(0,15,30,55 <br /> 45 <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 tunes <br /> Project No 77BP 54932 00 0230 Date 8/14/02 PR Log Of Well <br /> 4932MW i0 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 2 of 2) <br />