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SECOR <br /> International Mcorporated <br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> • CASCADE CONOCOPHILLIPS 8671 AIR ROTARY <br /> CM 11/24/03 DRILLING STOCKTON,CA CASING HAMMER MW-10 <br /> See Legend to Logs for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> satnphng method, Diam(in) Elev(ft) SZ 40 FIRST Depth(ft) wt(lbs) Dist(iii) <br /> class,estinfimetho and laboratory 8 14 06 TOC 111 5 140 30 <br /> tesan methods <br /> ani Q <br /> v o � <br /> Well <br /> ,5 3 Des(,ription a <br /> Construction G1 <br /> a <br /> SAND (SP) olive brown(2 5Y-4/3),medium-gramed,dense,wet, <br /> good water production(0,100,0,0) <br /> 4 0 <br /> 12 Same as above <br /> 17 <br /> 2' DIA 80 <br /> BLANK <br /> PVC Same as above <br /> CASING <br /> CLAYEY SILT (ML) brown(10YR-5/3), very stiff,moderate <br /> plasticity,moist,poor water production(0,0,60,40) <br /> ----------------------------------- <br /> 85 SILTY SAND(SM) brown(10YR-4/3),fine-grained sand,very <br /> dense, wet, moderate water production,cemented in zones (0,80,20,0) <br /> - --------------------------------- <br /> SANDY CLAYEY SILT(ML) light olive brown(2 5Y-5/3), <br /> fine-grained sand,hard,moderate plasticity,moist,cemented in zones 0 W-1 <br /> GROUT 90 (0,20,50,30) @891 <br /> Same as above,well cemented <br /> -------------------------------- <br /> SILTY SAND(SM) brown(IOYR-4/3),fine-grained sand,very <br /> BENTONIT dense, wet, moderate water production,cemented in zones(0,75,25,0) <br /> 95 <br /> #3 SAND <br /> 2'DIA, <br /> 0 020" <br /> SLOTTED ----------------------------------- <br /> SCREEN <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or same <br /> obtained during dnllmg 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 ihe <br /> time of drilling and may not be representative of subsurface conditions at other Imations or time,; <br /> Project No 77CP 68671 02 0006 Date 12/23/03 KF Log of Well <br /> 8671 SB 1 GPJ Approved by <br /> LOG OF BOREHOLE Figure (sheet 4 of 5) <br />