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' TABLE A <br />• (Continued) <br /> I <br />' Constituent B T £ X MTBE TPH-G <br /> EPA Method (602) (602) (602) (602) (602) (5030) <br /> Detection Limits <br />' 03 03 03 06 10 005 <br /> µg/1 n/l µg11 µg/t lrg/l mg/I <br /> AINV-7 9/22/94 ND 54 2 1 94 NA 1 2 <br />' 2/14/95 24 26 65 13 NA 057 <br /> 5/4195 is 76 ND 49 NA 025 <br />' 8/10/95 1 1 49 064 2 7 NA 043 <br /> 4/3/97 06 22 ND ND [4 8] 019 <br />' 7121197 04 16 ND ND [3 61 0 13 <br /> 10/23/97 05 22 ND ND NDv 0 18 <br /> 1/22/98 08 30 ND ND NDv 021 <br /> I4/24/98 059 24 ND ND NDv 0 17 <br /> 7/23/98 1 1 12 ND ND NDv 0 1 <br /> 10/21/98 04 19 ND ND NDv 01 <br /> 1120/99 04 18 ND ND NDv 01 <br /> I B,T E X=benzene,toluene,ethyl benzene and xylene ND=none detected at or above laboratory detection Iunit <br /> TPH-(;=total petroleum hydrocarbons,quantified as gasoline ND X=none detected to a level of X <br /> MTBE=methyl tertiary butyl ether *=detection limit raised due to elevated petroleum hydrocarbon result <br /> DIPE—Di-tsoprop)l ether 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 Future analysis by EPA <br /> Method 8260 may indicate that MTBE is not present <br /> V=other oxygenates/additives were analyzed by EPA Method 8260 and were not detected at or above the laboratory reported detection limits <br />' ♦ =other oxygenates/additives were analyzed by EPA Method 8260 and were not detected at or above the laboratory reported detection limits, <br /> with the exception of DIPE which was detteted above the laboratory reported detection limit <br /> **=EPA Method 602 indicated that MTBE was present at 240µglL However,EPA Method 8260 indicated in the previous monitoring event <br /> that MTBV-was not present in the monitor well at or above the laboratory reported detection limit <br />