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1 <br /> F 4 BLAINE 985 TIMOTHY DRIVE <br /> SAN JOSE, CA 95133 <br /> ' (408) 995-5535 <br /> TECH SERVICES INC FAX (408) 293-8773 <br /> October 8, 1996 <br /> GROUNDWATER MONITORING AND SAMPLING 9;=ay�j <br /> Third Quarter, 1996 <br /> at the Former Texaco Service Station OCT 181936 <br /> 305 S. Hutchins Ave. <br /> LodiHEAUN <br /> , CA PERM�� <br /> This report presents the results of groundwater monitoring and sampling conducted by Blaine Tech <br /> Services, Inc on July 31, 1996, at the site referenced above (see Plate 1, Site Vicinity Map) Based on <br /> groundwater level measurements, the areal hydraulic gradient was estimated to be south-southeast (see <br /> Plate 2, Groundwater Gradient Map) TPHg and benzene concentrations are shown on Plates 3 and 4 <br /> Tables 1 and 2 list historical groundwater monitoring data and analytical results, respectively <br /> The certified analytical report, chain-of-custody, field data sheets and bill of lading are in the Appendix, <br /> along with Texaco Environmental Services' Standard Operating Procedures <br /> t <br /> es Keller <br /> President <br /> ne Tech Services, Inc <br /> John K Hofer JOHN IL H0FER � <br /> No 1m <br /> Engineering Geologist, EG 1065 CERTIFIED � <br /> Geoconsultants, Inc ENGINEERING <br /> GEOLOGIST �- <br /> JPK me OF <br />�1 <br />