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12 August 2003 <br /> AGE-NC Project No. 03-1035 <br /> Page 7 of 7 <br /> V <br /> 7.0. RECOMMENDATIONS <br /> The initial detection of MTBE in samples B1-14 and B1-24 and BTEX in sample B1-24 were <br /> anomalous and could not be verified through re-analysis. In addition, an additional adjacent boring <br /> did not detect any hydrocarbon or oxygenate compounds. Based on these results and the non- <br /> detection of hydrocarbons or oxygenates in the grab ground water sample,AGE does not believe that <br /> a significant unauthorized release has occurred from the former UST facility. Therefore, AGE <br /> recommends that no further action be taken at the site. <br /> 8.0. LIMITATIONS <br /> Our professional services were performed using that degree of care and skill ordinarily exercised by <br /> environmental consultants practicing in this.or similar localities. The findings were based mainly <br /> upon analytical results provided by an independent laboratory. Evaluations of the <br /> geologic/hydrogeologic conditions at the site for the purpose of this investigation are made from a <br /> limited number of available data points (i.e. soil and ground water samples) and subsurface <br /> conditions may vary away from these data points.No other warranty,expressed or implied,is made <br /> as to the professional interpetations, opinions and recommendations contained in this report. <br /> 9.0. REFERENCES <br /> California Division of Mines and Geology, 1981. Regional Geologic Map Series, Sacramento <br /> Quadrangle. <br /> Olmsted,F.H.,and G.H.Davis, 1961,Geologic Features and Groundwater Storage Capacity of the <br /> Sacramento Valley, California, U.S. Geological Survey Water Supply Paper 1497, 241p. <br /> V <br /> Advanced GeoEnvironmental,Inc. <br />