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i <br /> ' 12 September 2002 <br /> AGE-NC Protect No 95-0137 <br /> Page 7 of 8 <br /> 1 3 5 ANALYTICAL RESULTS OF GROUND WATER SAMPLES <br /> Laboratory analytical results of ground water samples from monitoring wells MW-1 through MW-5 <br /> are provided for the first quarter 2002 and second quarter 2002 monitoring events <br /> 3 5 1 First Quarter 2002 <br /> TPH-g was detected in three of the five ground water samples collected from the site, at <br /> ' concentrations ranging from 100 µg/l In sample MW-4 (detection possible from the fuel additive <br /> 1,2-DCA) to 1,800 gg/l in samples MW-2 TPH-d was detected in four of the same ground water <br /> samples at concentrations ranging from 370 gg/l in samples MW-5 to 3,700 gg/l in MW-3 r <br /> Benzene was only detected in water sample collected from monitoring well MW-2 at a concentration <br /> of 60 gg/l Toluene,ethylbenzene and total xylenes were reported in sample MW-2 at concentrations <br /> of 2 5 gg/l, 81 gg/l and 66 µg/1, respectively, xylene was detected in sample MW-3 at a <br /> concentration of 0 63 gg/1 <br /> ' TBA was detected in samples MW-1 and MW-2 at concentrations of 11 gg/1 and 36 gg/l, <br /> respectively MTBE was detected in samples MW-2 and MW- at concentrations of 1 1 µg/1 and <br /> ' 2 2 gg/l, respectively and DIPE was detected in sample MW--kat 1 0 µg/1 The lead scavenger <br /> 1,2-DCA was detected in samples MW-1,MW-2 and MW-4 at concentrations of 11 gg/l,36gg/1 and <br /> 170 gg/l, respectively <br /> 3 5 2 Second Quarter 2002 <br /> 1 TPH-g was detected in four of the five ground water samples collected from the site, at <br /> concentrations ranging from 66 gg/l in sample MW-1 to 1,600 µg11 In samples MW-2 TPH-d was <br /> ' detected in all five ground water samples at concentrations ranging from 150 gg/1 in samples MW-4 . <br /> to 3,300 µg11 in MW-3 <br /> ' Benzene was detected in two of the five samples collected from the monitoring wells at <br /> concentrations as high as 89 gg/l (MW-2) Ethylbenzene and total xylenes were reported in sample <br /> MW-2 at concentrations of 110 gg/l and 80µg/1, respectively Toluene, ethylbenzene and total <br /> xylenes were reported in sample MW-4 at concentrations of 0 73 gg/l, 0 12 µg/1 and 0 94µg/1, <br /> respectively The other ground water samples had no detectable concentrations of BTEX <br /> ' TBA was detected in samples MW-1 and MW-2 at concentrations of 11 gg/l and 37 gg/l, <br /> . respectively MTBE was detected in samples MW-3 at a concentration of 1 8 µg/1 and DIPE was <br /> detected in samples MW-2 and MW-3 at concentrations of 1 3 gg/l and 0 58 µg/1,respectively The <br /> ' Advanced GeoEnvironmental,Inc <br /> 1 <br />