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SECOR <br /> InrernatwnalIncorporated <br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> TOSCO 1205 <br /> TP 11/6/02 CASCADE LATHROP,CA HOLLOW STEM AUGER MW-12 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) 15 FIRST Depth(ft) wt(lbs) Dist(in} <br /> c assi sting setons and laboratory 8,' 14 25(TOC) EZ, 12 S STATIC 250 140 30 <br /> testing methods <br /> Well <br /> a Descnption <br /> Construction 4 .2 <br /> A <br /> � I <br /> SAND (SP),brown(7 5YR 5/3),poorly graded,dry,sand 100%fine <br /> CEMENT grained,(0,90,10,0) <br /> a GROUT <br /> BENTONrU <br /> 5 3 As above,medium dense 0 <br /> 9 <br /> #3 SAND 16 <br /> 2"DIA <br /> 0 020 <br /> SLOTTED <br /> SCREEN 10 10 As above,w/silt,dense,(0,75,25,0) 0 <br /> 13 <br /> 20 <br /> 15 7 0 <br /> g As above wet <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 0 <br /> 50 <br /> SAND w/silt(SP),brown(7 5YR 513),poorly graded,saturated,very dense, <br /> sand 80%fine 20%medium grained,(0,75,25,0) <br /> THREADED SILTY SAND w/clay(SM),brown(7 5YR 513),saturated,very dense,no <br /> END CAP petroleum odor,(0,45,35,20) <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during dnlling 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 1124/03 CH Log of Well <br /> 1205 GP7 Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 1 of 2) <br />