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23 June 1998 ' <br /> AGE-NC Project No: 97-0349 <br /> Page 5 of 5 _ = <br /> 5.0. CONCLUSIONS AND;RECOMMENDATIONS <br /> 1 60 <br /> 5.1. _ CONCLUSIONS <br /> Based on to results-of this investigationaand water and analysis; AGE concludes the following: <br /> • Detectable concentrations of TPH-g,TPH-d or BTE&X were not present in the soil beneath <br /> the UST excavation. <br /> • Hydrocarbon-impacted water was encountered at insignificant concentrations beneath the <br /> LM former UST area. <br /> Significant impacts to ground water were not observed at the site.'Neither benzene nor <br /> LM oxygenated compounds were detected in.the former UST area. <br /> • Based on the limited concentrations of TPH-d at the site and the apparent degradation of the <br /> dissolved hydrocarbon plume over time, the site appears to present a .`low-risk"to ground <br /> water at the'site: <br /> 5.2. RECOMMENDATIONS <br /> LAW Based on the data and interpretation presented above and on AGE's experience with similar sites in <br /> the past, AGE recommends: <br /> Certified closure should be considered for the site. <br /> 6.0. 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 upon <br /> analytical results provided by an independent laboratory. Evaluations of the geologic/hydrogeologic <br /> conditions at the site for the-purpose of this investigation were made from a limited number of <br /> available data points(e.g. soil, and ground water samples)and subsurface conditions may vary away, <br /> from these data points. No other warranty, expressed or implied, is made as.to the professional <br /> recommendations contained in this report. <br /> Advanced GeoEnviron mental,Inc. <br />