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Xx July 1999 <br />AGE -NC Project No. 99-0557 <br />Page 6 of 8 <br />5.2.4. Polychlorinated Biphenyls <br />Soil samples for PCB analysis were collected from soil borings P-6 and P-12 at a depth of 10.5 feet <br />bgs. There were no reported detections of PCBs in the two soil samples analyzed (Table 1). <br />5.3. GROUND WATER ANALYTICAL RESULTS <br />A total of three ground water samples were collected at the site. Grab ground water samples were <br />collected from soil probe borings P-6 and P-12 located adjacent to hydraulic lift, and probe boring <br />P-17 located at the former location of the gasoline UST (Figure 2). Ground water sample analytical <br />results are summarized in Table 2. The laboratory analytical report is presented in Appendix C. <br />Ground water sample analytical results are detailed below. <br />5.3.1. Benzene, Toluene, Ethylbenzene, and Total Xylenes <br />There were no reported detections of BTEX constituents in any of the ground water samples <br />analyzed (Table 2). <br />5.3.2. Total Petroleum Hydrocarbons <br />There were no reported detections of TPH-g in any of the ground water samples analyzed (Table 2). <br />TPH-d and TPH-mo were reported in ground water sample P-6 at concentrations of 2,300 ,ugll and <br />3,300 µg/1, respectively. There were no reported detections of TPH-d or THP -Ino for samples P-12 <br />and P-17. <br />5.3.3. Methyl Tertiary -Butyl Ether <br />MTBE analysis was only performed for the ground water sample collected from soil probe boring <br />P-17 located at the former gasoline UST location. There was no reported detection of MTBE in the <br />sample (Table 2). <br />6.0. SUMMARY AND CONCLUSIONS <br />On the basis of the information reviewed and collected during this investigation, AGE concludes: <br />Advmiced GeoEnvironmental, Inc. <br />