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E1 <br /> E C 0 R <br /> Mr Michael Infurna jl <br /> July 16, 2004 <br /> Page 4 I 1 <br /> GROUNDWATER ANALYTICAL DATA ` <br /> Groundwater samples were submitted to Lancaster Laboratories Incorporated (Lancaster) ,`j <br /> of Lancaster, Pennsylvania for chemical analysis With the exception of the USB water <br /> samples, which were not analyzed for total lead, and the MW-67UA water sample, which <br /> was not analyzed for 1,2-DBA, 1,2-DCA, and total lead, water samples were analyzed for ?' <br /> the following constituents <br /> • TPHg using CA LUFT Gasoline Method, "` I <br /> • TPHd, and methanol using modified EPA Method 8015B, <br /> • BTEX, MtBE, TBA, EtBE, DIPS, TAME, 1,2-DBA, 1,2-DCA, and ethanol by EPA <br /> Method 82606, and }gyp^ <br /> • total lead by EPA Method 60106 ° <br /> aIR <br /> A TPHg, TPHd, MtBE, and Benzene concentration map is included as Figure 3 Copies of <br /> the laboratory analytical reports and chain-of-custody documentation are included in <br /> Attachment 5 Additional water sample data reported in the analytical reports, other than <br /> USB-1-W, USB-2-W, MW-67UA, and MW-68A, will be reported in SECOR's Second ° a' <br /> Quarter 2004 Groundwater Monitoring Report Groundwater analytical results are i <br /> 3 <br /> presented in Table 2 and summarized on the next page <br /> t � <br /> , k <br /> � f <br /> t <br /> iF <br /> q <br /> I � <br /> ip <br /> i <br /> 1i <br /> 11Chevron11001621\REPORTS120041UST Site Assessment Report doc <br /> I ' <br />