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22 August 2005
<br /> AGE-NC Project No 99-0559
<br /> Page 5 of 7
<br /> MW-7A at concentrations ranging from 1,900 micrograms per liter(µg11)in the ground water sample
<br /> from well MW-5A to 700,000µg/1 in the sample from well MW-2 BTEX compounds were detected
<br /> at maximum concentrations of 27,000 µg/1 benzene in sample MW-4, and 170,000 µg/l toluene,
<br /> 73,000 µg/1 ethyl-benzene and 390,000 gg/1 total xylenes in sample MW-2 In addition, the
<br /> following fuel additives were detected MTBE was detected in all samples at concentrations ranging
<br /> from 860gg/l (MW-5A) to 62,000 gg/l (MW-4), ETBE was detected in samples MW-3, MW-4,
<br /> MW-6A and MW-7A at a maximum concentration of 120 pg/1 (MW-7A), TAME was detected in
<br /> samples MW-6A and MW-7A at concentrations of 31 µg/l and 39 gg/1,respectively, and 1,2-DCA
<br /> was detected in samples MW-1 through MW-4 and MW-7A at a maximum concentration of
<br /> 330 µg/1 No additional target analytes were detected at or above laboratory reporting limits during
<br /> this sampling event
<br /> HU3 and HU4 TPH-g and BTEX compounds were detected in wells MW-5B,MW-6B and MW-713
<br /> at maximum concentrations of 2,600 gg/l TPH-g, 380 µg/1 benzene,1,300 µg/1 toluene, 110 gg/l
<br /> ethyl-benzene and 620 gg/l total xylenes in sample MW-7B In addition,the following fuel additives
<br /> were detected MTBE was detected in samples MW-5B and MW-7B at concentrations of 120 gg/1
<br /> and 180µg/l,respectively,TAME was detected in sample MW-713 at a concentration of 22 µg/1,and
<br /> 1,2-DCA was detected in samples MW-513 and MW-713 at concentrations of 4 2 gg/1 and 13 Pg/l,
<br /> respectively No additional target analytes were detected at or above laboratory reporting limits
<br /> during this sampling event
<br /> HU5U TPH-g and BTEX compounds were detected in wells MW-5C, MW-6C and MW-7C at
<br /> maximum concentrations of 1,400 µg/1 TPH-g, 240 gg/1 benzene, 470 µg/1 toluene, 58 Pg/1
<br /> ethylbenzene and 310 µg11 total xylenes in sample MW-7C In addition, the fuel additives MTBE,
<br /> TAME and 1,2-DCA were detected in sample MW-7C at concentrations of 130 µg/l, 14 µg/l and
<br /> 8 2 µg/1, respectively No additional target analytes were detected at or above laboratory reporting
<br /> limits during this sampling event
<br /> HU51, TPH-g was detected in well MW-71)at a concentration of 920 µg/1 BTEX compounds were
<br /> detected in wells MW-61) and MW-71) at maximum concentrations of 150 µg/1 benzene, 330 gg/l
<br /> toluene, 26 µg/1 ethyl-benzene and 248 µg/1 total xylenes in sample MW-71) In addition, the fuel
<br /> additives MTBE, TAME and 1,2-DCA were detected in sample MW-71) at concentrations of
<br /> 93 pg/l, 8 8 gg/l and 5 1 gg/l, respectively No additional target analytes were detected at or above
<br /> laboratory reporting limits during this sampling event
<br /> HU6 TPH-g and BTEX compounds were detected in wells MW-6E and MW-7E at maximum
<br /> concentrations of 1,100 gg/I TPH-g, 170 µg/l benzene, 400 gg/l toluene, 45 µg/1 ethylbenzene and
<br /> 267 µg/l total xylenes In sample MW-7E In addition, the fuel additives MTBE, TAME and
<br /> 1,2-DCA were detected in sample MW-7E at concentrations of 13 gg/l, 10 gg/l and 5 6 pg/l,
<br /> respectively No additional target analytes were detected at or above laboratory reporting limits
<br /> Advanced CeoEnvironmental,Inc
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