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1 <br /> EGG GREGG DRILLING AND TESTING, INC <br />' GREGG IN SITU, INC <br /> ENVIRONMENTAL AND GEOTECHNICAL INVESTIGATION SERVICES <br /> i <br /> October 14, 2004 <br /> Advanced Geo <br />' Attn. Daniel Kalmbach <br /> 837 Shaw Road <br /> Stockton, California 95215 <br />' Subject CPT Site Investigation <br /> Guardino &Crawford <br />' Stockton, California <br /> GREGG Project Number 04-335ma <br />' Dear Mr Kalmbach <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 /> Z 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 /> t6 Groundwater Sampling (GWS) x <br /> 7 Soil Sampling (SS) ❑ <br />' 8 Vapor Sampling (VS) ❑ <br /> 9 Vane Shear Testing (VST) ❑ <br /> 10 SPT Energy Calibration (SPTE) ❑ <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 />' Marylalden <br /> Operations Manager <br /> • <br />' 950 Howe Road.Martinez,California 94553•(925)313-5800•FAX(925)313-0302 <br /> OTHER OFFICES SUMMF.RVILLE.LOS ANGELES•SALT LAKE CITY•HOUSTON•VANCOUVER•WEST BERLIN(NJ)-AUGUSTA <br /> wvvw greggdnlling coni <br />