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eofo ical Technics Inc. <br /> 2741 RzverRoad <br /> Modesto,Ca&fomia 95351 <br /> (209)538-6424/Fax#538-5852 <br /> August 11,2000 <br /> Project No 7232 <br /> Project Name Valentine (Castle Motors) <br /> ' Mr Jeffery Wong <br /> San.Joaquin County Public Health Services <br /> Environmental Health Division <br /> ' 304 East Weber Street, Third Floor <br /> Stockton,CA 95202 <br /> Re Well Receptor Survey <br /> ' Valentine(Castle Motors),2315 EI Dorado St, Stockton,California <br /> Dear Mr Wong <br /> ' As directed by your office, here is the completed well survey for a 2,000-foot radius around Valentine(Castle Motors), <br /> 2315E] Dorado St, Stockton,CA The purpose of the survey is to locate any municipal, domestic, or agricultural wells <br /> within a 2,000-ft radius To meet the survey objective,the following tasks were performed <br /> ' • Geological Technics personnel reconnoitered the site on Tuesday, July 18, 2000, to make a physical search for any <br /> wells in the area <br /> • Specific well logs were requested from the State of California Department of Water Resources both to aid in <br /> identifying local wells and to specify their construction details The well logs that were available for this area are <br /> included in Appendix A <br /> • Mr Eric Mar of the California Water Service Company was contacted and his facsimile correspondence is included in <br /> Appendix B In a July 20, 2000 telephone conversation, Mr Mar indicated that well 926 has the following <br /> construction details 400' total depth, 90' (30" inside diameter) casing, 200' (16" diameter) casing, 200' perforated <br /> casing <br /> Well location details are shown in Table I and the approximate well positions are plotted in Map 1 <br /> ' A meeting was held at your office on Wednesday, July 26, 2000, during which Mr Valentine indicated that additional <br /> domestic wells might be present on adjacent Castle St properties In our July 27, 2000 telephone conversation you <br /> ' indicated to me that you had already visited the properties in question and were unable to locate the alleged wells Your <br /> assistance in attempting to locate these wells is appreciated <br /> This report 3s intended to identify regional locations around a site that may be impacted by contamination at the site and is <br /> t required by the California Regional Water Quality Control Board (CRWQCB) before a site can be closed If you have any <br /> questions please contact me at the office <br /> ' Respectfully, <br /> GEOLOGICAL TQC NICS INC <br /> JoSePW Angulo <br /> Geologist <br /> ' Raynold I Kablanow I1, Ph D <br /> R G 5234 <br /> cc Mr Steve Valentine <br /> Marty Hartzell--CRWQCBCVR <br /> USTCFP <br />