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GROUND ZERO ANALYSIS, INC. <br /> 1714 Main,Street <br /> Escalon, California 95320-1927 <br /> Telephone (209)838-9888 1-3 <br /> Facs1tntle (209)838-9883 :� <br /> •o <br /> July 16, 2001 <br /> Ms Lori Duncan <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 Report <br /> North Stockton Auto Service, <br /> 8709 N Davis Road, Stockton, CA (Site Code 0786) <br /> Dear Ms Duncan <br /> On behalf of Mr Ed Niemann, Ground Zero Analysis, Inc (Ground Zero) is submitting this report <br /> to summarize the drilling of one groundwater-monitoring well, and the analytical results from soil <br /> and groundwater samples collected at the subject site This report also presents information on the <br /> locations of water supply wells within 2,000 feet of the site and includes the analytical results of a <br /> water sample collected from the nearest supply well <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 potential <br /> groundwater impact due to an unauthorized i elease from the underground storage tank (UST) <br /> formerly located at the facility <br /> 1.2 Resources <br /> Sean Garvey, a Ground Zero geologist, directed fieldwork on June 20, 2001 Spectrum Exploration <br /> (Spectrum, C-57-512268), performed drilling and monitoring well installation services, and <br /> Anthony Scoma, a Ground Zero technician, developed and sampled the monitoring well on June 25, <br /> 2001 <br /> Argon Laboratories, Inc (Argon), a California-certified hazardous waste testing laboratory (ELAP <br /> #2359), completed the laboratory analyses for all samples Lori Duncan of PHS/EHD conducted <br /> the grout inspection and observed site activities <br /> daillgrounzeln,.iutolreportel�,tiellreport doc <br />