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' 9REGG GREGG DRILLING AND TESTING, INC <br /> GREGG IN SITU, INC <br /> ENVIRONMENTAL AND GEOTECHNICAL INVESTIGATION SERVICES <br /> November 3, 2004 <br /> ATC <br /> Attn Jim Kundert <br /> ' 1117 Lone Palm Avenue, Suite B <br /> Modesto, California 95351 <br /> ' Subject. CPT Site Investigation <br /> Cheaper #37 <br /> Tracy, California <br /> ' GREGG Project Number- 04-339ma <br /> ' Dear Mr. Kundert <br /> The following report presents the results of GREGG IN SM'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 Penetrabon Tests (SCPTU) ❑ <br /> 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 (SPIE) ❑ <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 IN SITU, Inc. <br /> r-101 <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 SUMMERVILLE-LOS ANGELES-SALT LAKE CITY-HOUSTON-VANCOUVER-WEST BERLIN(NJ)-AUGUSTA <br /> www re dnilin com <br />