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1 <br /> t ! + <br />' 15 September 2005 <br /> . AGE-NC Project No 98-0465 <br /> Page 4 of 8 > . <br /> t <br /> . , <br />' Fuel oxygenates MTBE, di-isopropyl ether (DIPE), ethyl tertiary-butyl ether (ETBE), <br /> tertiary-amyl methyl ether (TAME), and tertiary butanol (TBA) in accordance with EPA <br /> Method 8260B, and <br /> • Fuel scavengers ethylene dibromide(EDB)and 1,2-dichloroethane(1,2-DCA)in accordance <br /> with EPA Method 8260B <br /> 3.0. FINDINGS <br /> The stratigraphy and ground water hydrogeology underlying the site were characterized from field <br /> descriptions Hydrocarbon impact to soil and ground water were assessed by laboratory analysis <br />' Ground water elevation and flow direction were inferred from field data collected on 14 April 2005 <br /> 31 STRATIGRAPHY <br /> From surface grade to approximately 5 feet bsg, orange brown silt was encountered in bonng B 1, <br /> the material was dry and had low consistency,plasticity and toughness Silty sand was encountered <br /> from approximately 10 feet bsg to 35 feet bsg, the material was fine grained and poorly sorted <br /> Clayey silt or silt was encountered from approximately 40 feet bsg to total depth of recovery at <br />' 57 feet bsg <br /> No hydrocarbon like odors were detected in any of the samples Saturated samples were first <br /> collected'at 20 feet bsg A'soll boring log is provided in Appendix B A geological cross section <br /> depicting site stratigraphy is presented on Figure 3 <br /> 3 2 HYDROCARBON,IMPACTED SOIL ' <br /> A total of four soil samples from soil boring B 1 were analyzed for the petroleum hydrocarbon <br /> products listed in Section 2 2 <br /> No target analytes were detected at or above laboratory detection limits in any of the samples <br /> analyzed Analytical results of soil samples are summarized in Table 1 The laboratory report(CTEL <br /> Project No CT214-0505228), duality assurance and quality control (QA/QC)reports, and chain of <br /> custody forms are included in Appendix D <br /> Advanced GeoEnvnronmental,Inc <br /> i <br />