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Penn Envlronmen(al <br /> March 30, 1995 <br /> Kent Gikas <br /> Union Safe Deposit Bank <br /> 317 East Main Street <br /> Stockton, California 95202 <br /> Subject: Subsurface Soil Investigation <br /> 1725 Sanguinetti Lane <br /> Stockton, California 95202 <br /> Dear Mr. Gikas: <br /> The following report details Penn Environmental's investigations and findings <br /> during the subsurface soil investigation conducted at the above referenced site. <br /> The report presents a description and background of the project site; a summary <br /> of activities conducted at the project site during the field exploration, and the <br /> findings and conclusions of this investigation. <br /> Analytical testing of soil probe sample number SP-3, 11B, recovered at a depth <br /> of 1 foot, detected a Total Petroleum Hydrocarbon as Motor Oil at a level of 16 <br /> parts per million (ppm) . Additional samples from this soil probe recovered at <br /> depths of 3 and 7 feet revealed non-detectable levels of tested constituents. <br /> The testing results indicate that a localized contamination of the surf icial soil <br /> in the area of the soil probe SP-3 may have occurred. <br /> The analytical testing of other soil probe samples and soil samples obtained from <br /> the borings revealed non-detectable levels of the tested constituents_ <br /> It has been a pleasure to be of service to you on this project and we look <br /> forward to working with you in the future. Should you have any questions, please <br /> feel free to contact our office. <br /> Respectfully Submitted: <br /> Penn Enviro n al <br /> Eric J. Zamb <br /> Staff Environme to ssessor <br /> a%,fESS144, <br /> Y.C. c�Fy�, <br /> O� yF Z <br /> Robert Y.C. Chew `? <br /> Geotechnical Engineer No.2W9 'D <br /> G.E. 2009 Up.9.30.95 )} <br /> &A�FO�cliA <br /> qlE <br /> OF C <br /> 1261 Travis Blvd., Suite 380 • Fairfield, California 94533 • Plione: (707) 421-1595 • Fax: (707) 425-0257 <br />