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SECOR <br /> r uwn¢tt,W rna rrd <br />. =BH <br /> ate Dulled Drilling Contractor Project Name Method/F.gmpn=t: Won Number <br /> GREGG ARCO#4493 HOLLOW STEM AUGER <br /> 5/8/02 DRILLING STOCKTON,CA SPLITSPOON IMW-9MM <br /> See"Legend to Logs"for Boning surface (houndwater Depth(ft Total Dnve <br /> Pig method Diam.(m) Elev(fk) $Z 17 FIRST Depth(fL) -L(lbs) DIM) <br /> classcficattom and laboratory <br /> lo—tag methods 10 520 140 30 <br /> Well <br /> Construction Desanlitton <br /> m <br /> • :•: SAND(SW). dark gray(2 SY4/I),stun-grained,saturated,well graded,no 0 MW9 <br /> hydrocarbon odor(0,95,5,0) @25' <br /> 30 SAND(SP).grayish brown(2 5Y512),finc�-to mednun-grained,saturated, 0 <br /> poorly graded,no hydrocarbon odor(0,100,0,0) <br /> 0 <br /> Color change to dark gray(2 5Y4/1),fine-grained,saturated,well graded,no <br /> BENTONYIT 35 hydrocarbon odor <br /> SEAT" <br /> SAND#3 <br /> 0 <br /> MW-9M <br /> SCREEN <br /> 2"0 020 <br /> 0 <br /> Same as above40 SANDY GRAVEL Gmedium-grained std, <br /> subangular gravel,sa(ttirated,poordark ly graded,slight hydrocarbon odor <br /> (60,30,10,0) <br /> 0 MW9 <br /> SANDY CLAY(CL) gray(10YR5/1),fine-grained sand,firm.,moist,low @42' <br /> plasticity,no hydrocarbon odor(0,30,5,65) <br /> BENTONM <br /> SEAL <br /> 45 0 <br /> SILTY SAND(SM) gray(10YR5/I),fine-grained sand,moist to very moist, <br /> no hydrocarbon odor(0,60,40,0) <br /> ` MW-8D <br /> SCREEN 0 MW9 <br /> 2"0 020 95T <br /> Th$substrata descriptions above are generalized representations and based upon visual/rnmual classification of cuttings and/or samples <br /> obtained during dnlltng Predominant material types shown on the log may contain different materials and the change from one <br /> predominant material type to another could be different than indicated Descriptions on this log apply only at the specific location at the <br /> tune of drilling and may not be representative of subsurface conditions at other locations or times <br /> Project No 77BP.43036 00 0320 Date 5/31/02 PR Log of Well <br />• 4493MW9 GPJ Approved by <br /> I QG OF BOREHOLE <br /> (sheet 2 of 3) <br />