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Ms Laura Odenthal Project G67-05 01 <br /> F, August 25, 1992 <br /> Page 2 <br /> Samples were cooled with ice packs and delivered, under chain-of-custody <br /> control, to Sequoia Analytical laboratory for analysis <br /> Quality Control samples for fourth quarter 1992 monitoring included a trip blank <br /> and a field blank <br /> ANALYTICAL RESULTS <br /> Samples were analyzed for total purgeable petroleum hydrocarbons, benzene, <br /> toluene, ethylbenzene, total xylenes, and fecal coliform Analytical results from <br /> this quarter's event and four previous monitoring events are summarized in <br /> Table 2 Certified analytical reports and chain-of-custody records for this <br /> quarter's event are included as attachments to this letter <br /> If you have any questions, please call <br /> Very truly yours, <br /> EMCON Associates <br /> Fames R Pittilla <br /> Environmental Sampling Coordinator <br /> Phillip R Graham <br /> Environmental Sampling Supervisor <br /> JRP/PRG lrp <br /> Attachments: Table 1 Monitoring Well Field Measurement Data <br /> Table 2 Summary of Analytical Results <br /> Site Map, Certified Analytical Reports and <br /> Chain-of-Custody Records, Water Level/ <br /> Floating Product Survey, <br /> Water Sample Field Data Sheets <br /> cc Dan Kirk, Shell Oil Company <br /> SampimgDoc G67-05 01 <br />