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16 February 2005 <br /> AGE-NC Project No 97-0326 <br /> Page 4of5 <br /> MW-8A to 150,000 µg/1 In sample MW-3 (Figure 4), well MW-1 was not sampled due to the <br />' presence of free product <br /> BTEX compounds were detected in all HU 1 wells at maximum concentrations of 15,000 µg/I <br />' benzene(MW-2), 18,000 µg/1 toluene(MW-9A),6,000µg11 ethylbenzene(MW-3),and 29,400 µg/1 <br /> xylenes (MW-3) <br />' The fuel additive MTBE was detected In ground water samples coIIected from HU1 from wells <br /> MW-2, MW-3, MW-8A, and MW-9A at concentrations ranging from 22 µg/1 in sample MW-2 to <br />' 420 µg/1 in sample MW-9A (Figure 5) 1,2-DCA was detected In samples MW-3, MW-8A, and <br /> MW-9A at a maximum concentration of 27 µg/l (MW-3) <br />' HU2-TPH-g and BTEX compounds were detected in samples MW-8B and MW-9B,the maximum <br /> concentrations were detected in sample MW-913 at 3,800 µg/1 TPH-g, 2,700 µg/1 benzene,250 µg/1 <br /> toluene, 140 µg/1 ethylbenzene, and 550 µg/l xylenes <br /> The fuel additive DIPE was detected In samples MW-813 and MW-9B at concentrations as high as <br /> 21 µg/l (MW-9B) <br /> HU4 -TPH-g and BTEX compounds were detected in samples MW-8C and MW-9C at maximum <br /> concentrations of 1,600 µg/l TPH-g and 600 pg/l benzene, 43 µg11 toluene, 22 µg/1 ethylbenzene, <br /> and 62 µg/l xylenes in sample MW-9C <br /> The fuel additive DIPE was detected In sample MW-9C at a concentration of 4 3 Vg/l <br /> - - and BTEX compounds were detected In sample MW-9D at concentrations of 730 g/1 <br /> HU6 TPH g p p µ <br /> TPH-g, 120µg/1 benzene,22 µg/1 toluene, 7 1 µg/1 ethylbenzene,and 25 µg/1 xylenes,only benzene <br />' and ethylbenzene were detected in well MW-81) at a concentrations of 7 4 µg/1 and 2 8 µg/1, <br /> respectively <br /> fNo additional analytes were detected at or above the laboratory detection limits In the samples <br /> analyzed Analytical results are summarized in Table 2 The laboratory report (CTEL Project No <br /> i 214-0409160),quality assurance/quality control report,and chain of custody forms are presented In <br /> Appendix C Documents confirming the upload of laboratory electronic deliverable format (EDF) <br /> files and depth to water measurements are provided in Appendix D <br /> 4.0. SUMMARY AND CONCLUSIONS <br /> The following conclusions were drawn from the results of this Investigation <br /> Advanced GeoEnrnronmentel,Inc <br />