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r <br /> rall,04 A-M <br /> 3 <br /> 1992 3rd rltr A'tivilics,Site Cede 1013 <br /> City aE Sttxklua Fire Station Yo.6 <br /> sgwniNr22, 1992 <br /> Pale d <br /> I3:tck(illing <br /> Subsequent to the collection of confirmation soil samples, the exc v to area dsred ssu cl ubacklnd Wyle <br /> clean excavated soils (as deter"" from field observations), <br /> requirements set forth by the City of Stockton Public Works Department. <br /> Stockpiled Soil Gtlnracteri-ra'.ian j soil <br /> at <br /> ile <br /> Of <br /> in order to characterize the hydrocarbon l i pwasccollectedC7onl)Au(gust 't, 1992}(r l7 Stockton <br /> siti ig <br /> oil orporation Yard, one 2:1 compos P <br /> excavated soils of greatest impa iof),ind four 2:1 Hinson ol"of POsit HD I Results es were are`sln�m<irizedtin <br /> 21, 1992, under the supervlslo <br /> WS Table 3. Laboratory data sheets are included in Attachment 2. <br /> SOIL BORING INSTALLATIONISAN11'LING <br /> cted <br /> inder <br /> ardy <br /> • In order to determine the southern hcr'rz�onea�dvancedextent f durdlndcexcavatbon �on;acv tiessoils tusing achand <br /> Drive, two soil borings (S132, 5113) � IS feet <br /> auger. The borings were advanced <br /> the excavatio of boring locations below <br /> shrowm on F�t, <br /> t re <br /> } 1992, prior to the completion <br /> 3. One soil sample was collected of diesel ltibottomrof each <br /> boring. �1eld obscrvaple collectiontions lccacii <br /> the collected samples were free <br /> open borehole was backfilled to the surface with clean native material. <br /> The samples from the two soil borings were placed on ice and transported <br /> diander c ,'Lin e <br /> custody protocol to GeoAnalytical Laboratories, Inc., in Modesto, );PA <br /> collected from 5133 was analyzed 51nd r turnaround <br /> Laboratory analysis and <br /> s the sample utilizing <br /> S}33 <br /> methods 8020 and modified Srespectively. <br /> did not detect diesel constituen}s above n'et�ha aye t��looil}samplelfrom 5B2 wos alt analyzed <br /> t results <br /> from SB3 and field evidence o <br /> Soil sample results are summarized inTable 3. Laboratory results and chain-of-custody <br /> documentation are included as Attachment <br /> Q t),1 H T LY 1 QH 09019 2.P H l= <br />