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`�w_ <br /> Ground-water samples collected from the three wells and received at Sherwood Labs on <br /> September 19 and December 15-16, 1994. The analytical results have revealed wholly <br /> nondetectable concentrations of TRPH-d analytes and nondetectable results for TPH-g and BTEX <br /> analytes in samples collected from wells MW-4 and MW-5 on all occasions. The results of the <br /> analyses of the samples collected from MW-6 on those dates indicate that the ground water <br /> underlying that vicinity remains impacted with TPH-g and benzene analytes above the Maximum <br /> Contaminant Levels (MCLS) set by the California Department of Health Services. <br /> A is sample of surface water collected from the slough just uPgradient of MW-6 on January Y13, <br /> 1995 and delivered to the laboratory on that date, revealed wholly nondetectable analytical <br /> rr results for TPH-d, TPH-g, and BTEX analytes. <br /> The ground water in the immediate vicinity of MW-6 remains impacted by gasoline fractions. <br /> _. The analytical results indicate an increase in TPH-g of 1,470 µglf (73.5%) between samplings <br /> on September 19 and December 15, 1994. Benzene has decreased 4% during the same period. <br /> ..-� According to information retrieved on December 15, 1994 from the files of the San Joaquin <br /> =.� County Environmental Health Division, no known public or private water wells are operated by <br /> the City of Stockton, the California Water Service Company, or private citizens, within 2,000 <br /> r feet of the Village West Marina. The nearest well is approximately 1 mile east of the property <br /> at Interstate Highway 5 and Benjamin Holt Drive. Another is located at Alexandria Place and <br /> Meadow Avenue. Village West Marina receives publicly-supplied water. <br /> CERTIFICATION <br /> Should any questions arise regarding the information contained in this report, or if we may be <br /> of further service, please contact our Merced office at (209) 725-2085. W.W. Irwin, Inc. is not <br /> responsible for undisclosed or hidden, site-specific information or conditions. <br /> F,�l <br /> Respectfully Submitted, <br /> � =A <br /> W.W. Irwin, Inc. <br /> vfD CeRON pA, <br /> Opp N L <br /> DC7 <br /> Q;.1 <br /> DAYNE L FAARY -4 N•.02980 N <br /> Dayne L. Frary, Regional 6kanager • • 0 6-3o-gs <br /> Registered Geologist No. 4456 c8� No.4456 <br /> f Registered Environmental Assessor No. 02980 �Q� <br /> O,� 1:�F OFCp�1F� ' <br /> W.W. Irwin,Inc. <br /> 'r_: ProjecL No.33016.04 <br /> 10 <br /> 7anuary 1995 <br /> I <br /> _j <br />