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r r-~ r i i r " 01 May 2000 AGE-NC Project No 96-0232 � Page 8 of I 1 Ir 5 4 2 LABORATORY RESULTS OF GROUND WATER SAMPLES During the March 2000 sampling event, TPH-g and TPH-d were not detected in any of the analyzed Iground water samples BTEX compounds were detected in water samples collected from v�ells MW-1,MW-2, Mu'-6A and MW-6B at concentr atrons as high as 2 3 µgll and in the storm drain grab water sample at T concentiatzons as high as 11 �,g/1 IMTBE was detected in ground water samples collected from wells MVI -1, MW-2, MW-4, MW-6A, MW-613 and- MW-7 at concentrations as high as 400 /,cg/l,'M 1 BE was detected in the Rocky's ' Restaurant dornestrc water well sample at a concentration of 12 ag/l LAME and ETBE were detected in water samples collected from wells MWA and MW-2 at concentrations as high as 1 7 , ,ug/l Methanol was detected in a water sample collected from MW-6A at a concentration of 420 ' µg/1, ethanol was detected in water samples collected from wells MW-1, MW-2, MW-6'\ and MW- 6B at concentiatrons ranging as high as 50 µg/l, in the stornl drain grab water sample at a concentration of 86,000 ,ug/l and 3n the grab water sample from the Rocky's Restaurant Culligan bottled water system at a concentration of 28 Mcg/l No other fuel oxygenates were detected aboN e laboratory reporting limits Dissolved MTBE data collected on 28 March 2000 from the Flag City CheN r on site is contoured in Figui e 4 Analytical results of the round water samples are summarized in Tables 3 and 4 The labotator yt g } y reports (KIFF Analytical Report No 16356 and 16390) and chain-of-custody forms are presented in Appendix H 4 r 4 t At the request of AGE, KIFF Analytical rechecked the I ethanol ground water analysis from wells MEQ'-1, MW-2, MW-4, MW-5, MW-6A, MW-6B, MW-7 and SD-1 As a result KIFF Analytical L performed a second ethanol analysis of giouid water samples and indicated that the results of the 'R second analysis,fiorn wells MW-1, MW-2, MW-4, MW-5, 1\4W-6A and MW-7 did not detect any ethanol, ethanol was detected at well MW-613 ata concentration of 7 9 ,ug/l and from the stornn drain { - at a contend ation of 66,000µg/1 The second eth'anol analysis was performed 16 days after sample collection, or 2 days past the hold tine KIFF Analytical reported that it was not clear if the difference between the ongunal,ethanol analysis and the second ethanol analysis vas due to,the age of the grouind wdie"r samples The laboratory reports for the second ethanol analysis (KIFF I Analytical Report No 16356) and chain-of-'cu`stody forms are presented in Appendix 1 , `' F r � ' 60 INSTALLATION OF GROUND WATER EXTRACTION WELL � On 28 March 2000, gropnd water extraction well EW-1 ,vas installed'at the site, ground water ! i L 4dianeed GtuEmrranmenial Inc i , i