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16 September 1998 <br /> AGE-NC Project No. 97-0363 <br /> Page 2 of 3 <br /> • Volatile aromatic compounds (benzene, toluene, ethylbenzene and xylenes; BTE&X)with <br /> methyl tertiary-butyl ether(MTBE) in accordance with EPA Method 602. <br /> • Volatile organic compounds with oxygenated compounds (MTBE, di-isopropyl ether <br /> [DIPE], ethyl tert-butyl ether [ETBE], tert-amyl methyl ether [TAME] and tert-butanol <br /> [TBA]) in accordance with EPA Method 8260. <br /> 3.0. FINDINGS <br /> Carbon Disulfide was detected in the sample collected from the domestic well at a concentration of <br /> 5.2 parts per billion (ppb, reported as micrograms per liter). Other analytes were not detected in <br /> ground water samples collected at the site. The laboratory report (MAI sample Nos. 90738-90740) <br /> and chain-of-custody form are included in Appendix B. <br /> 4.0. SUMMARY AND CONCLUSIONS <br /> Based upon data collected from the site, AGE concludes the following: <br /> • Petroleum hydrocarbons were not detected in ground water samples collected from the two <br /> monitoring wells at the site during the June 1998 sampling event. <br /> • Ground water samples were previously collected from the monitoring wells on 14 November <br /> 1986. Petroleum hydrocarbons were not detected in the samples collected. Hydrocarbons <br /> were not detected in soil samples collected during the installation of the monitoring wells in <br /> November 1986. <br /> • Operation of the UST does not appear to have impacted soil or ground water at the site. <br /> 5.0. RECOMMENDATIONS <br /> Based upon data collected from the site, AGE recommends the following: <br /> • If removal of the current UST is planned, the two monitoring wells at the site should be <br /> properly abandoned prior to removal of the UST. <br /> Advanced GeoEnvironmental,Inc. <br />