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EGG <br /> GREGG DRILLING AND TESTING INC <br /> GREGG IN SITU, INC <br />' ENVIRONMENTAL AND GEOTECHNICAL INVESTIGATION SERVICES <br /> • April 14, 2004 <br /> ATC <br />' Attn, Nathan Christman <br /> 1117 Lone Palm Avenue, Suite B <br /> Modesto, California 95351 <br />' Subject CPT Site Investigation <br /> Three Palms Grocery <br /> Stockton, California <br /> GREGG Project Number 04-072ma <br /> Dear Mr Christman, <br /> The following report presents the results of GREGG IN SITU's Cone Penetration Test <br /> tInvestigation 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 /> 4 Resistivity Cone Penetration Tests (RCPTU) ❑ <br /> 5 UVIF Cone Penetration Tests (UVIFCPTU) ❑ <br /> 6 Groundwater Sampling (GWS) ❑ <br /> 7 Soil Sampling (SS) ❑ <br /> 8 Vapor Sampling (VS) ❑ <br /> 9 Vane Shear Testing (VST) ❑ <br /> 10 SPT Energy Calibration (S�) E]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 /> AC S'l <br /> ' Mary Walden <br /> Operations Manager <br /> 950 Howe Road Martinez,California 94553 0(925)313-5800 o FAX(925)313-0302 <br /> OTHER OFFICES SUMNMRVILLE•LOS ANGELES e SALT LAKE CITY•HOUSTON•VANCOUVER•WEST BERLIN(NJ)*AUGUSTA <br /> www gregsdrillin2 com <br />