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July 28, 1988 AGS Job No. 38012-2 <br /> Former UNOCAL Service Station, Stockton, California <br /> purged from the wells was placed in Department of Transportation <br /> 17-E 55-gallon drums and left onsite. Following ground-water <br /> recovery to static conditions, the formation water in each well <br /> -as sampled using a Teflon bailer cleaned with Alconox and <br /> deionized waiver. The water samples were then transferred into <br /> ter glass volatile organic analysis <br /> laboratory-cleaned, 4o-millili <br /> vials and sealed with Teflon-lined lids. The samples were then <br /> labeled and immediately placed in iced storage A Chain of <br /> Custody Record was initiated by the field geologist and <br /> o the analytical laboratory. A copy of <br /> accompaniea the samples t <br /> ate`, the Chain of Custody Record is included in Appendix A of this <br /> report. <br /> LABQRATORY ANALYSES <br /> Soil samples selected for testing were analyzed for TPH by <br /> 4' modified EPA Method 8015 and BTEX by EPA Method 8020. Water <br /> samples were analvzed for BTEX by EPA Method 602 and TrH by <br /> modified EPA method 8015. The results of these analyses are <br /> summarized in Table 3. <br /> 13 <br /> AVOW 000&S`ystOln-S <br />