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' Appendix A <br /> 10 AGE-NCProjectNo 01-0827 <br /> Page 4 of 4 <br /> SUMMARY <br /> Based on the data collected from the site, AGE finds <br />' Approximately 82 kilograms, or 25 gallons, of diesel and 176 kilograms, or 55 gallons, of <br /> motor oil were removed from the site, however, low concentrations of TPH-mo were still <br /> 1 detected in soil samples collected from the base and south and west walls of the excavation <br /> The maximum TPH-mo concentrations remaining in soil were detected on the south wall of <br /> the excavation at a maximum concentration of 510 mg/kg <br /> r • BTEX compounds were detected in samples collected from the south wall of the soil <br /> excavation at low concentrations, the maximum concentration was 10 mg/kg toluene <br /> collected from the soil sample at 25 feet bsg <br /> • Ground water was present within the excavation at a depth of 25 feet bsg after a duration of <br />' 48 hours No water samples were collected during this Investigation, however, laboratory <br /> analysis of grab ground water samples collected from soil borings P1 through P5 during the <br /> preliminary site investigation of 08 and 15 July 2002 did not detect any analytes of concern <br />' • To date, AGE's ground water monitoring results at the Fire Station No 2 north UST area <br /> inferred that the ground water flow direction have been consistently northeast or east <br /> I <br /> Advanced GeoEnvironmentai,Inc <br />