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SECOR <br /> International Incorporated <br /> Logged By Date Drilled Drilling Contractor Protect Name Method/Equipment Well Number <br /> ARCO#4932 CAL MOD SPLIT SPOON <br /> CM 8/5/03 CASCADE STOCKTON,CA HOLLOW STEM AUGER EW-3 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(fl) V 30 FIRST Depth(fl) wt(lbs} Dist(in) <br /> classifications and laboratory 12 NA T 3163 STATIC 410 140 30 <br /> testing methods <br /> a�. w <br /> Well y v 3 Descnption <br /> Construction ❑ H <br /> TRAFFIC HAND 5-INCH CONCRETE SIDEWALK <br /> ' RATED AUGE Sandy gravel baserock <br /> WELL BOX SILTY CLAY w/SAND(CL) very dark gray(2 5Y-311),fine <br /> o GROUT grained sand,stiff,moist,moderate plasticity(0,10,30,60) <br /> o v <br /> a a <br /> 5 13 0 <br /> 18 SILTY SAND w/CLAY(SM) olive brown(2 5Y-4/3),fne <br /> 22 grained sand,dense,moist,(0,60,30,10) <br /> e o <br /> e e <br /> r r <br /> 10 12 SANDY SILT w/CLAY(ML) grayish brown (l OYR-5/2), fine 0 1230 <br /> �* 15 arced sand very stiff,moist moderate plasiticity,(0,20,70,10 <br /> 15 SAND SP fine grained sand moist 0 100 0 0 <br /> ti n SANDY SILT w/CLAY(ML) as above <br /> o a <br /> e <br /> 15 21 SILTY SAND(SM) dark grayish brown(2 5Y-4/2),fine grained 0 1235 <br /> v v <br /> 25 sand medium dense moist 0 80 20 0 <br /> BENTONITE 25 SANDY SILT w/CLAY(ML) yellow brown(10YR-5/4), <br /> SEAL fine-grained sand,hard,moist, low plasticity,(0,35,60,5) <br /> SAND <br /> 6" 20 27 SILTY SAND w/CLAY(SM) olive gray(5Y-5/2), fine-grained 0 1240 <br /> DIAMETER, 24 sand,dense,moist(0,55,35,10) <br /> 0 020" 19 <br /> STAINLESS <br /> STEEL <br /> WRAP <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 Descnphons 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 /> • Protect No 77BP 54932 03 Date 9/15/03 DWR Log of Well <br /> 4932EW-3 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet l of 2) <br />