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25 February 2002 <br /> AGE-NC Project No 00-0764 <br /> ' Page 2of8 <br /> Six soil samples were then collected beneath the USTs, two samples were collected beneath the <br /> reported former dispenser areas,and one laboratory-composited soil sample was collected from the <br /> contalnenzed soil excavated from the base of the USTs after removal <br /> UST EXCAVATION SAMPLES <br /> Total petroleum hydrocarbons quantified as gasoline and diesel (TPH-g and TPH-d)were detected <br /> at concentrations as high as 5,800 milligram per kilogram(mg/kg)and 2,400 mg/kg in sample tank- <br /> 2-east, respectively Benzene, toluene, ethyl benzene and xylenes (BTEX) were detected at <br /> concentrations as high as 960 mg/kg Benzene Itself was detected in samples at concentrations as <br /> high as 0 39 mg/kg(TK3-W) <br /> Tetrachloroethene (PCE) was detected In soil samples collected from the floor of the UST <br /> excavation at concentrations as high as 250 micrograms per kilogram (gg/kg) Trichloroethene <br /> (TCE)was detected In soil samples collected from the floor of the UST excavation at concentrations <br /> as high as 21 gg/kg <br /> Methylene chloride was detected in soil samples collected from the floor of the UST excavation at <br /> concentrations as high as 530 gg/kg 1,2-dichlorobenzene was detected In soil samples collected from <br /> the floor of the UST excavation at concentrations as high as 610gg/kg 1,3-Dichlorobenzene was <br /> detected In soil samples collected from the floor of the UST excavation at concentrations as high as <br /> ' 28 gg/kg 1,4-Dichlorobenzene was detected In soil samples collected from the floor of the UST <br /> excavation at concentrations as high as 110 gg/kg <br /> 1,1,1-Tnchloroethane was detected In soil samples collected from the floor of the UST excavation <br /> at concentrations as high as 400 gg/kg 1,1-Dichloroethane was detected In soil samples collected <br /> from the floor of the UST excavation at concentrations as high as 32 gg/kg Fuel additives and PCBs <br /> were not detected In soil samples <br /> EXCAVATED SOIL SAMPLES <br /> ' PCE was detected In the contamenzed stockpiled soil at a concentration of 770 gg/kg 1,1,1- <br /> trichloroethane was detected In the containerized stockpiled soil at a concentration of 180 µg/kg <br /> Methylene Chloride was detected In the containerized stockpiled soil at a concentration of 14 gg/kg <br /> 1,2-Dichlorobenzene,1,3-dichlorobenzene, 1,4-dichlorobenzene 1,1-dlchloroethane were detected <br /> In the containerized stockpiled soil at a concentration of 510 gg/kg, 28 gg/kg, 120 gg/kg and 14 <br /> gg/kg, respectively <br /> Advanced GeoEnvironmental,Inc <br />