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F <br /> 24 February 2003 <br /> M AGE-NC Project No 99-0584 r w <br /> Page 3 of 4 <br /> 3 2 ANALYTICAL RESULTS OF WATER SA ARLES - <br /> There were no reported detections of BTEX, TPH-g, <br /> TPH-d> RIPE, ETBE, TAME, TBA; or-lead <br /> scavengers in any of the ground water samples analyzed MTBE was detected in well MW-1 at a , <br /> concentration of 21 nncrogram per liter (tgfl)` f <br /> Analytical results from ground water samples are summarized in Table 2 The laboratory reports <br /> (MAI Laboratory ID 0301269--1 to 5, 4uality assurance and quality control (QA'QC) reports and <br /> chain-of custody forte are mclude'd in Appendix, C <br /> i <br /> 4.0. SUMMARY AND CONCLUSIEONS <br /> Based upon data collected from the site, AGE concludes <br /> " <br /> ound water flow direction m January 2003 at the site was inferred to be toward the <br /> The adient of approximately 0 003 ft/ft, which is consistent with prior g�'ound <br /> northeast at a gradient <br /> water flow dtrections and gradients <br /> G The ground water elevation decreased approximately 2 feet over the last quarter <br /> Hydrocarbons and fuel additives werenot detectedinthe groundwater sample collected <br /> o y < <br /> from the rn.4 zitoring vk ells'MTBE was detected in one well at 1°�� concentrations, ,�iiul_�'to F <br /> previous detections L `" <br /> 1.. <br /> F i <br /> 5 1� <br /> � f <br /> T COMMEND,, ATIONS-�}'�r 1 <br /> a ! f <br /> Based on the results of this investigation, AGE recommends N <br /> F " ` ` ' • Site closure based on stable concentrations of one fuel additive <br /> monitoring well in accordance with the EHD well code ' <br /> • Removal of ground water m _ g <br /> 7 <br /> r S <br /> 1 <br /> i <br /> r Jf <br /> S, <br /> I <br /> S ,y <br /> 1 r <br /> N <br />