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i <br /> GROUND ZERO ANALYSIS$ INC. <br /> 1714 Main,Street ' <br /> Escalon, California 95320-1927 <br /> Telephone (209)838-9888 <br /> is <br /> Facsimile (209)838-9883 t <br /> t _ ' <br /> 01 <br /> rr: <br /> July 2, 2001 <br /> Mr Jeffrey Wong <br /> San Joaquin County Public Health Services <br /> Environmental Health. division <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, CA 95202 <br /> Subject Monitoring Well Installation and Vertical Investigation Report <br /> Former Harry's Auto Mart, 2662 N Wilson Way, Stockton, CA(Site Code 1306) <br /> Dear Mr Wong <br /> . Pursuant to San Joaquin County Public Health Services Environmental Health Division <br /> directive dated July 24, 2000, Ground Zero Analysis, Inc (Ground Zero) is submitting the eportD <br /> summarize the drillinto <br /> g of one Cone Penetration Test (CPT) boring, the installation of three <br /> groundwater-monitoring wells, and the analytical results from soil and groundwater samples <br /> collected at the subject site <br /> 1.0 INTRODUCTION <br /> 1.1 Purpose <br /> The purpose of the work described herein was to further evaluate the nature and extent of soil and <br /> groundwater impact on the property due to an unauthorized release from the underground storage <br /> tanks (UST) formerly located at the facility <br /> 1.2 Resources <br /> Sean Garvey, a Ground Zero geologist, directed fieldwork on January 31, 2000 through February 3, <br /> 2000, and April I2 and 13, 2001 Spectrum Exploration (Spectrum, C-57-512268), performed <br /> drilling and monitoring well installation services, and Gregg Drilling and Testing Inc (Gregg, C57- <br /> 485165) performed CPT and direct push drilling, respectively Anthony Scoma, a Ground Zero <br /> . technician, developed and sampled the monitoring wells on February 7, 2000 <br /> dalaNgrounzelharryswellrepori doe <br />