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i <br /> ' Page 4 <br /> CTwlagual rum tip <br /> Valley Wholesale Drug Company <br /> Project No 989 2 <br /> November 8,2004 <br /> The detection limits for these compounds are listed in the laboratory data sheets included in <br /> ' Appendix B and summarized in Table 1 of Appendix A A Chain of Custody was completed <br /> for all samples collected and tracked to ensure sample mtegnty <br /> ' 2.3 Groundwater Sample Analysis <br /> One groundwater sample from each borehole was submitted to Sequoia Analytical -- <br /> Sacramento, a state certified laboratory(CA ELAP#1624) for the following analysis <br /> • Gasoline Range Organics, BTEX and Oxygenates by EPA method 8260B <br /> • TPH-G, benzene, toluene, ethyl benzene, total xylenes, MtBE, ETBE, TAME, DIPE, <br /> ' TBA, 1,2-DCA and EDB <br /> ' The detection limits for these compounds are listed in the laboratory data sheets included in <br /> Appendix B and summarized in Table 2 of Appendix A A Chain of Custody was completed <br /> for all samples collected and tracked to ensure sample integrity <br /> ' 2.4 Results of the Investigation <br /> Summary analytical data tables are included in Appendix A Laboratory Data Sheets are <br /> included in Appendix B and Borehole Logs are included in Appendix C The analytical <br /> results and field observations are discussed below <br /> ' 2.4.1 Soil Analytical Results <br /> One soil sample from the capillary fringe was collected from each borehole during this phase <br /> ' of the investigation Each soil sample was submitted for laboratory analysis with the <br /> following results <br /> + All soil samples were non-detect above laboratory reporting himts for all analyzed <br /> tconstituents <br /> A summary of soil analytical data from the GeoProbe investigation is included as Table 1 in <br /> ' Appendix A <br /> 2.4.2 Groundwater Analytical Results <br /> ' One groundwater sample was collected from each borehole during this phase of the <br /> investigation Each groundwater sample was submitted for laboratory analysis with the <br /> ' following results <br /> • 04GP-1 indicated the presence of trace levels of MtBE (1 8 lig/L) 04GP-1 was non- <br /> detect above laboratory reporting limits for all other analyzed constituents <br /> ' • 04GP-2 indicated the presence of trace levels of MtBE (0 78 [tg/L) 04GP-2 was non- <br /> detect above laboratory reporting limits for all other analyzed constituents <br /> f <br />