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BGG <br /> GREGG DRILLING AND TESTING, INC <br /> GRLGG IN SITU,INC <br /> ENVIRONMENTAI AND GEOTECEMCAL INVESTIGATION S1 a VICES <br />' August 10, 2004 <br /> Advanced Geo <br /> Attn Donna Sexton <br /> 837 Shaw Road <br /> Stockton, California 95215 <br /> Subject CPT Site Investigation <br /> Vanco Truck Plaza <br /> Stockton, California <br /> GREGG Project Number 04-262ma <br />' Dear Ms Sexton <br /> The following report presents the results of GREGG IN SITU`s Cone Penetration Test <br />' investigation for the above referenced site The following testing services were performed <br />' 1 Cone Penetration Tests (CPTU) x <br /> 2 Pore Pressure Dissipation Tests (PPD) x <br /> 3 Seismic Cone Penetration Tests (SCFTU) ❑ <br /> i4 Resistivity Cone Penetration Tests (RCPTU) ❑ <br /> S UVIF Cone Penetration Tests (UVIFCPTU) ❑ <br /> 6 Groundwater Sampling (GWS) x <br /> 7 Soil Sampling (SS) x <br /> 8 Vapor Sampling (VS) ❑ <br /> 9 Vane Shear Testing (VST) ❑ <br /> 10 SPT Energy Calibration (SPITE) ❑ <br /> 1 <br /> A fist of reference papers providing additional background on the specific tests conducted is <br /> provided in the bibliography following the text of the report. If you would like a copy of any of <br />' these publications or should you have any questions or comments regarding the contents of this <br /> report, please do not hesitate to contact our office at (562) 427-6899 <br /> Sincerely, <br /> :GREGG<avela <br /> Operabons Manager <br /> i <br /> 1 950 Hoge Road•Martmez, Cahforma 94553•(92S)313-1800«FAX(925)313-0302 <br /> OTMM OFFICES SUN M MRl ILLE•L'IS ANGELES•S ALT L kE 0M •HOUSTON -%NCOM-ER•NEST BERLIN(N7).AUGUSTA <br /> «�«z �c�ednElmR c.nm <br />