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SECQR <br /> Intemanonal Incorporated <br /> • Logged By Dates Dulled Dnlling Contractor Project Name Method/Egmpment Well Number <br /> 7/23/01 WEST ARCO 0595 SPLIT SPOON <br /> BH 7/23/01 RAZMAT STOCKTON,CA HSA MVV-6 <br /> See"Legend to Logs"for Bonng Surface Groundwater Depth(ft) Total Drive Drop <br /> PhnB mod. Diarn(rn) Elev(ft.) 50 FIRST Depth(ft) wt(lbs) Dist(in) <br /> cIatlnz aetohoods laboratory 8 30 20(TOC) 59 4 STABII.IZEI) 715 140 30 <br /> Well <br /> a Descnption <br /> Construction Q. <br /> Cn z <br /> y <br /> a" 11 Mw-6 <br /> SLOTTED 14 95V <br /> SCREEN 20 <br /> SANDY CLAY(CL) light brown,fine-grained sand, low plasticity,very <br /> 55 12 stiff,moist(0,20,5,75) MW-6 <br /> 16 @55' <br /> 20 <br /> SILTY CLAY(CL) brown,very low to no plasticity,hard,moist <br /> 60 i6 (0,10,30,60) MW-6 <br /> 23 ®60' <br /> 30 <br /> SAND <br /> SILTY CLAY(CH) brown,fine-grained sand,high plasticity,hard,wet <br /> 65 10 (0,0,30,70) MW-6 <br /> 17 @65' <br /> 22 <br /> THREADED <br /> 70 <br /> END CAP 10 Same as above, hard(0,0,30,70) MW-6 <br /> 19 @70' <br /> 23 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classific-ition of cuttnigs and/or <br /> samples obtained during dnlltng Predorrunant 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 onIy at the specific location <br /> at the time of drilling and may not be representative of subsurface conditions at other Iocations or times <br /> } Project No 077.43029 330 Date 9/21/01 PR Log Of Well <br /> 515MW6 GPj Approved by <br /> • Loc OF BOREHOLE Figure (sheet 3 of 3) <br />