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EGG <br /> i GREGG DRILLING & TESTING , INC . <br /> — GEOTECHNICAL AND ENVIRONMENTAL INVESTIGATION SERVICES <br /> June 3 , 2008 <br /> Carlton Engineering <br /> Attn : Moranda Kellogg <br /> 3883 Ponderosa Rd . <br /> Shingle Springs , California <br /> Subject : CPT Site Investigation <br /> NCPA Lodi Energy Center <br /> Lodi , California <br /> GREGG Project Number : 08149MA <br /> Dear Ms . Kellogg : <br /> The following report presents the results of GREGG Drilling & Testing 's Cone Penetration Test <br /> investigation for the above referenced site . The following testing services were performed : <br /> 110 1 Cone Penetration Tests (CPTU ) <br /> 2 Pore Pressure Dissipation Tests (PPD) <br /> 3 Seismic Cone Penetration Tests (SCPTU ) <br /> 4 Resistivity Cone Penetration Tests ( RCPTU ) ❑ <br /> 5 UVOST Laser Induced Fluorescence ( UVOST) ❑ <br /> 6 Groundwater Sampling (GWS) ❑ <br /> 7 Soil Sampling (SS) El <br /> 8 Vapor Sampling (VS) ❑ <br /> 9 Vane Shear Testing (VST) ❑ <br /> 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 (925 ) 313 - 5800 . <br /> Sincerely, <br /> GREGG Drilling & Testing , Inc . <br /> Mary Walden <br /> Operations Manager <br /> 950 Howe Rd • Martinez, California 94553 • (925) 313-5800 • FAX (925) 313-0302 <br /> OTIIER OFFICES: LOS ANGELES • HOUSTON • SOUTH CAROLINA <br /> www . p,reizgdrilling.com <br />