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SECOR <br /> 1'ntern�tiona!Inco rated <br />' 7L09;ged By: Date Drilled: Drilling Contractor Project Name: Method/Equipment: Well Number: <br /> TOSCO 1205 <br /> P 11/6/02 CASCADE LATHROP,CA HOLLOW STEM AUGER MW-12 <br /> Set"Legend to Logs"for Boring Surface Groundwater Depth{ft.): Total Drive Drop <br /> sampling method, Diam.(in.): Elev.(ft.): <br /> classifications and laboratory 15 FIRST Depth(ft.): wt.(lbs.): Dist.(in.): <br /> tesGn methods 8" 14.25(TOC) 1 12.8 STATIC 25.0 140 30 <br /> Well <br /> Construction o Description <br /> � a <br /> CEMENT SAND (SP),brown(7.5YR 5/3),poorly graded,dry,sand 100%fine <br /> GROUT grained,(0,90,10,0). <br /> BENTONnT <br /> 5 <br /> 3 As above,medium dense.' 0`.#3 SAND 9 <br /> 16 <br /> 2"DIA. <br /> SLOTrW <br /> 10 •`.:' SCREEN 10 _ <br /> 10 As above,w/silt,dense,(0,75,25,0). 0 <br /> 13 <br /> 20 <br /> 15 <br /> 8 As above wet. 0 <br /> 22 SILTY SAND(SM),dark brown(2.5Y 4/1),wet,dense,sand 100% <br /> grained,moderate petroleum odor,(0,65,35,0). <br /> 20 20 <br /> 50 0 <br /> SAND WAR(SP),brown(7.5YR 5/3),poorly graded,saturated,very dense, <br /> sand 80%fine 20%medium grained,(0,75,25,0). <br /> T�IREADED SH,TY SAND w/cla S brown 7.SYR 5/3 sat— — — <br /> ` END CAP Y( M), ( ), ted,very dense,no <br /> petroleum odor,(0,45,35,20). <br /> The substrata descriptions above areeneralized representations an <br /> g P d based upon vtsuaUmanuual 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. 77TO.43870.00.0222 Date 1/24103 CH Log of Well <br /> I1205.GPJ Approved by <br /> DAG OF BOREHOLE <br /> Figure (sheet 1 of 2) <br />