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21 May 1998 <br /> AGE-NC Project No. 97-0394 <br /> .Page 2 of 2 <br /> Soil was extruded from the remaining brass sleeves and screened for the presence of organic,vapor <br /> using a photo-ionization detector (PID: Thermo Environmental 580A, 10.0 eV, calibrated to <br /> isobutylene), and the readings were recorded on the Boring Logs (Appendix B)_. The soil was <br /> described in accordance with the Unified Soil Classification System. <br /> Selected soil and ground water samples�were analyzed for total,petroleum hydrocarbons quantified <br /> as gasoline(TPH-g) and volatile'aromatics(benzene,toluene,-ethyl benzene and xylenes: BTE&X) <br /> Soil samples were analyzed in accordance with EPA Method 5030/8015m and EPA Method 8020, <br /> respectively. <br /> 3.0. RESULTS <br /> None of the soil samples gave any-field indications. for the'presence of hydrocarbons, such as <br /> staining,odor or PID readings. As a result, only the soil samples collected from,25 feet bsg in the <br /> probings were analyzed. Neither total petroleum hydrocarbons as gasoline nor BTE&X were <br /> detected in any of the probe boring soil samples. The laboratory-report is included as Appendix A. <br /> 4.0. CONCLUSIONS <br /> These data indicate that the areas sampled have not been impacted by a release of petroleum <br /> hydrocarbons from USTs presumably formerly present at 548 N. Wilson Way. This is not to say that <br /> the site has,not been impacted,but this good-faith effort to assess for hydrocarbon-impacted soil did <br /> not detect any of the hydrocarbon analytes. <br /> Advanced GeoEnvironmental,Inc. <br />