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' TABLE A (Corthnued) <br /> • <br />' Constituent B T E X MTBE TPH-G <br /> EPA Method (602) (602) (602) (602) (602) (5030) <br /> Detection Limas <br />' 03 03 03 06 10 005 <br /> 1911 I PPA mgll <br /> NT%V-7 9/22/94 MW-7 ND 54 2 1 94 NA 12 <br /> 2/14/95 MW-7 24 26 65 13 NA 057 <br /> 5/4/95 MW-7 15 76 ND 49 NA 025 <br />' 8/10195 MW-7 1 1 49 064 27 NA 043 <br /> 4/3197 MW-7 06 22 ND ND [4 81 0 19 <br /> 7121/97 MW-7 04 1 6 ND ND [3 6] 0 13 <br /> 10/23/97 MW-7 05 22 NO ND NDv 01 <br /> 1122198 MW-7 08 30 ND ND NDv 021 <br /> B,T,E,X=benzene,toluene ethyl benzene and xylene ND=none detected at or above laboratory detection limit <br /> TPM G=total petroleum hydrocarbons,quantified as gasolmL ND X=none detected to a level of X <br />'. MTBF=methyl tertiary butyl ether *=detection limit raised due to elevated petroleum hydrocarbon result <br /> NA=not tested for this analyte <br /> ]x]—EPA Method 602 analysis indicates a concentration of x,result is not confirmed by EPA Method 8260 however I uture analysis by EPA <br /> Method 9260 may indicate that MTBE is not present <br /> v W other oxygenates/additives were analyzed by EPA Method 8260 and were not detected at or above the laboratory reported detection limits <br /> EPA Method 602 indicated that MTBE was present at 240µg/L However,EPA Method 8260 indicated in the previous monitoring event <br /> that M I BE was not present in the monitor well at or above the laboratory reported detection limit <br /> I <br /> I <br /> • <br />