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The contamination from this site is TPH and chemicals related to gasoline, but there is no <br /> MtBE or other oxygenates related to the tanks on this property MtBE was recorded in <br /> wells BM-1, BM-2, BM-3, BM-4, BM-7, BM-8, BM-9 and BM-11 This distribution is the <br /> same as reported for Benzene and TPH <br /> Dissolved oxygen levels were recorded this quarter at this site The levels were <br /> measured with a calibrated YSI model 51 B meter by placing the sensor 5 feet below the <br /> surface of the water table after the bailing of the wells The measured levels are shown <br /> on Table 3A <br /> VAPOR EXTRACTION SYSTEM <br /> We have obtained a quote for a Soil Vapor Extraction System and will discuss this with <br />' the owner This system possibly will replace the Thermal Vapor Extraction System <br /> Conclusions <br />' We will continue to monitor this site The next monitoring event will take place to April <br /> 2004 <br />'•` Yrul <br /> ohn us <br /> sen <br /> �0 6506 <br /> f RG #6506 <br />' Enclosures <br /> 5 Tables <br /> 4 Figures <br /> 2 Laboratory Reports and Chairfof Custodms <br />' 13 Sample Sheets <br />' cc Mr Roger Liston Darpetro, Inc <br /> 9 � P T <br /> Mr G L Boggs, RWQCB <br /> 1 <br /> I <br /> u <br /> 1 <br />