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SECOR <br /> I►ttmatWnallnco rated <br /> Logged By Dates Dnlled Dnlling Contractor Project Name Method/Equipment Well Number <br /> 7117101 WEST _ ARCO#4932 _ _ SPLIT SPOON <br /> CM 7117101 HAZMAT STOCKTON,CA HSA. MW=9 <br /> See"Legend to Logs"for Baring Surface Groundwater Depth(ft) Total Drive Drop <br /> =s hng method, Diam.(m) Elev(ft) 7- 25 5 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory 8 NA T 26.4 STABILIZED 405 140 30 <br /> testtAg methods <br /> well Descnption <br /> Construction <br /> TRAFFIC Concrete <br /> RELATED Sand <br /> WELL BOX SILTY CLAY(CL) very dark gray(10YR3/1),fine-grained sand,moderate <br /> plasticity,very stiff,moist(0,10,30,60) <br /> � 4 <br /> SANDY SILT(ML). dark grayish brown(2 5Y4/2),with clay,fine-grained <br /> F • GROUT sand,low plasticity,very stiff to hard,moist,weak subangular blocky soil <br /> 5 4 structure,few rootholes(0,35,50,15) 0 <br /> 4 4 <br /> ► 5 <br /> P • 5 <br /> 4 4 <br /> V 11 0 <br /> 10 20 <br /> a 26 SILTY SAND(SM):brown(10YR4/3),fine-grained sand,dense,moist, <br /> weak subangular blocky soil structure(0,75,25,0) <br /> A P <br /> °q °y 13 0 <br /> 15 21 <br /> 23 SANDY SILT(ML):olive brown(2 5Y4/3),fine-grained sand,low <br /> BENTONM plasticity,very stiff,moist(0,30,70,0) <br /> SEAL <br /> SAND <br /> 7 0 <br /> 2" <br /> 20 12 <br /> SLOTTED 15 SILTY SAND(SM), dark yellowish brown(10YR4/4),fine-grained sand, <br /> SCREEN dense,moist(0,75,25,0) <br /> 12 0 <br /> The substrata descriptions above are generahzed 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 077.43286.330 Date 8/14/01 PR Log of Well <br /> 4932MW9 GP7 Approved by <br /> LOG OF BOREHOLE <br /> Flame (sheet 1 of 2) <br />