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' <br /> 1 <br /> 1 <br /> the samples. The laboratory results are summarized in Table <br /> 1. Laboratory data sheets and the chain-of-custody form are <br /> i, presented in Appendix III. <br /> f <br /> 5.0 CONCLUSIONS/RECOMENDATIONS <br /> �L <br /> Based on the results of field inspection and laboratory <br /> analysis of sails from three angle borings, it appears <br /> t slight hyd�oo&Lbon contamiratIon. hats occurred .,+,oz <br /> west and - .of the 10,OQ0 �sleath .the <br /> gallon diesel "tank:. The <br /> concentrations of hydrocarbon detected in ASB2 at a depth of <br /> 25 feet are extremely low and not <br /> crstastrophia leafs a of indicative of <br /> e recent tank <br /> indicates the system to bertiuhf.thusheliminating thetesting <br /> tank as a contaminant source. <br /> The reported `128 t® 1315 foat c€aptti` to groundwater <br /> fon an <br /> adjacent property) doss .psovide'a significant,soil buffer- toreduea the po Lenti&l for <br /> Pram impactinthe documented 'soil: ,cacontaminationc <br /> current 7 groundwater_xesousces. As such, based Or' the <br /> �;• Boa2'd {TriiRegional9stablished by' the Reional Gu Guidelines May 1989) which Hare enforced <br /> ater Quality <br /> #' by the IOCal :environmental Health Department, we recommend <br /> no additional :investigations be conducted. <br /> Cl <br /> ,g <br /> 3 <br /> r� <br /> 4 <br /> U <br /> - . <br /> 'r 3 <br /> Yr - <br />