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Advanced <br /> GeolEnvironmental , Inc. <br /> ol';' o rthc iii C olifnl-Iricr <br /> 09 January 1997 <br /> AGE-NC Project No. 96-0261 <br /> Mr. Steve Sasson <br /> San Joaquin County PHS-EEID <br /> P.O. Boy: 388 <br /> Stockton, California <br /> Subject; SAINT MARY'S THIGH SC1400L <br /> 5648 N. V1 Dorado Street, Stockton, California <br /> Dear ,,Nlr. Sasson: <br /> On 27 September and on 13 Novetnber -1996, four soil probe borings (P-1 through P-4) -,were <br /> advanced at a northern section of the site. Sol? probe borings were advanced to maximum depths of <br /> fourty-five feet bs`T, using,AGE's van-rnout:ted Geoprobe 5,400 probing unit and 1.125-inch dianie��r <br /> probe rods. The location: of the site is illustrated in Figure 1 - Luca-lion :Wap_ Soil probe t?ori.;g <br /> locations are depicted on Figure 2 - . i;e PIWIL <br /> Discrete soil s3.nples «ere collected roini each soil probe boring atfive-foot intervals beginning at <br /> fifteen-feet bs-, using a Geoprobe soil sampler assembly loaded with four pre-cleaned 1.125-ii:ch by <br /> 6-inch brass sleeves. Upon retrieval, the ends of the second brass sleeve were covered «with Teflon <br /> sheets, capped and sealed with tape. Each _ample sleeve was labeled with the boring location, depth, <br /> time, date and sampler's initials. <br /> Soil samples.were placed in a chilled container ,9,.id transported under chain-of custody procedure ro <br /> a state certified laboratorr,, for a.n.aiy-sis c}t total petroleum hydrocarbons quan€ified as gasoline (TPH- <br /> g), volatile aromatics (benzene, toluene, elh.lbenz ne and amylenes: BTE&X) and methyl tertiary butyl <br /> ether (MTBE) in accordance with EPA n iethors 5030/8015m and 8020. Analytical results are <br /> summarized in Table l - Analviico/ Re.,�rrlts of,Soil .Sanil)les and Table 2 - Atioly�iicol Results <br /> (lrouncl IJjuter .Sawples, <br /> The laboratory reports (Castle Analytical Laboratory Reference No. 896) and chain-of-custody are <br /> included with this cover letter. <br /> 1 k()l West March Lane, Suite A, Stockton, California 95207 <br /> -1clepholle (209) 956-0264 FAX (209)956-0700 <br />