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EG Gr GREGG DRILLING AND TESTING, INC jUN- 3 2004 <br /> GREGG IN SITU, INC <br /> ENVIRONMENTAL AND GEOTECEMCAL INVESTIGATION SERVICES <br /> } June 1, 2004 <br /> Stratus <br /> Attn Steve Carter <br /> 3330 Cameron Park Drive, Suite 550 <br /> Cameron Park, California 95682 <br /> Subject CPT Site Investigation <br /> Joe's Truck Stop <br /> Lathrop, California <br /> GREGG Project Number 04-152ma <br /> Dear Mr Carter <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 (SCPTU) ❑ <br /> J 4 Resistivity Cone Penetration Tests (RCPTU) ❑ <br /> 5 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 (SPTE) ❑ <br /> 1 <br /> A list 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 IN SITU, Inc <br /> d <br /> Mary Walden <br /> Operations Manager <br /> I <br /> 950 Howe Road o Martinez,California 94553•(925)313-5804•FAX(925)313-0302 <br /> OTHER OFFICES SUMMERVILLE•LOS ANGELES•SALT LAKE CITY•HOUSTON•VANCOUVER•WEST BERLIN(NJ)-AUGUSTA <br /> www grMdnilmg com <br />