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' Site Background Information <br /> AGE-NC Project No 99-0657 <br />' Page 3 of 3 <br />' HU5,and HU6 Lesser concentrations of hydrocarbons were detected in the water samples collected <br /> from CPT-3 from the same hydrologic units Very low concentrations of toluene, xylenes, and <br /> MTBE were detected In CPT-1 The vertical extent of petroleum hydrocarbon-Impacted ground <br />' water Is defined off-site in the area of soil boring CPT-1 The vertical extent is undefined In the area <br /> of and down-gradient of the former and existing USTs, In the areas of CPT-2 and CPT-3 <br /> tOn 30 September and 01 October 2002, AGE installed four additional ground water monitoring <br /> wells (MW-5 through MW-8) A total of 20 soil samples were analyzed for the constituents, no <br />' analytes were detected at or above laboratory reporting limits In the soil samples <br /> On 18 and 20 January 2005,AGE advanced a soil boring(B-1)to 135 feet bsg The boring could not <br /> be completed as a ground water monitoring well due to complications while setting the well The <br /> boring was logged and then grouted to the surface with Portland Cement On 20 January 2005,AGE <br /> Installed one additional ground water monitoring well(MW-9) Soil samples collected from boring <br />' B-1 Indicated petroleum hydrocarbon-Impacted soil to a depth of 110 feet bsg, but not beyond <br /> To date, the lateral extent of petroleum hydrocarbon-ground water has been defined to the north, <br />' east, and south of the UST area Impacted ground water is not fully defined to the west The vertical <br /> extent of petroleum hydrocarbon-impacted ground water has not been defined The lateral and <br /> vertical extent of petroleum hydrocarbon-impacted soil has been defined <br /> Advanced GeoEnviron mental,Inc <br />