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PANGEA <br /> Pangea Environmental Services,Inc. BORING NUMBER B-10 <br /> 1710 Franklin Street,Suite 200 PAGE 1 OF 1 <br /> Oakland,CA 94612 <br /> CLIENT Tracy Office Plaza PROJECT NAME Tracy Office Plaza <br /> PROJECT NUMBER PROJECT LOCATION 324 E. 11th Street <br /> DATE STARTED 7/10/14 COMPLETED 7/10/14 GROUND ELEVATION HOLE SIZE 2.25" <br /> DRILLING CONTRACTOR Vaportech Services GROUND WATER LEVELS: <br /> DRILLING METHOD Direct Push E AT TIME OF DRILLING 17.0 ft <br /> LOGGED BY Morgan Gillies CHECKED BY Bob Clark-Riddell AT END OF DRILLING -- <br /> NOTES Hand auger to 5'. -TAFTER DRILLING 10.0 ft <br /> W <br /> IL <br /> y �w Ea T- <br /> oW <br /> a 00 o O MATERIAL DESCRIPTION BORING DIAGRAM <br /> Q z a C7 <br /> 0 <br /> Grass/Topsoil. <br /> Concrete <br /> 1.0 <br /> Sandy Silt(ML);brown;70-80%medium plasticity fines;20-30%fine <br /> to coarse sand;trace fine gravel;dry. <br /> ML <br /> 5 B-10-5 15.0 <br /> Silty Clay(CL);brown; 100%medium plasticity fines;medium stiff; <br /> moist. <br /> @7' Soft. <br /> B-10-9 <br /> 10 y <br /> @10' Dark grey;very slight hydrocarbon odor. <br /> Portland Cement <br /> CL <br /> B-10-13 @13' Brown,no hydrocarbon odor. <br /> e <br /> 0 <br /> 0 <br /> 15 <br /> z <br /> 7 <br /> C; B-10-17 Sandy Clay(CL);brown;70-80%medium plasticity fines;20-30% <br /> m fine sand;soft;wet. <br /> 0. <br /> a <br /> w <br /> U <br /> LL Silty Clay(CL);brown; 100%medium plasticity fines;medium stiff; <br /> 0 moist. <br /> 20 B-10-20 20.0 <br /> (Installed temporary PVC casing with 5'screen.Collected groundwater <br /> sample with disposable bailer.) <br /> a Bottom of hole at 20.0 feet. <br /> 0 <br /> U <br /> 2 <br /> co <br />