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TABLE A(continued) <br /> Constituent B T E X MTBE TPH G <br /> EPA Method (602180201 (602180201 (602/8020/ (60218020/ (6021 8260) (5030/LUFT/ <br /> 8021B) 8021B) 8021B) 802133) 8015m) <br /> Detection Limits 03 03 03 06 10 005 <br /> Ag/L µg/- Ag/L pgn- Ag/L mg/L <br /> ,IW-7 9/22/1994 NO 54 21 94 NA 12 <br /> 2/14/1995 24 26 65 13 NA 057 <br /> 5!411995 15 76 NO 49 NA 025 <br /> 8/10/1995 1 1 49 064 27 NA 043 <br /> 4/3/1997 06 22 NO NO [4 81 01 <br /> 7/21/1997 04 16 NO NO [3 61 0 13 <br /> 10/23/1997 05 22 ND NO NDv 0 18 <br /> 1!2211998 08 3 NO NO NDv 021 <br /> 4/24/1998 059 24 NO NO NDv 017 <br /> 7/23/1998 11 12 NO ND NOW 01 <br /> 10/2111998 04 19 NO NO NDv 01 <br /> 1/20/1999 04 18 NO NO NDv 0 1 <br /> 4/23/1999 03 14 ND NO NDv 008 <br /> 7/28/1999 ND 12 ND NO NDv ND <br /> 10/1511999 NO 08 ND ND NDv 006 <br /> 111912000 NO 08 NO NO NDv 006 <br /> 4/19/2000 NO ND ND NO NDv 01l <br /> 7113/2000 NO 08 NO NO NDv NO <br /> 10/13/2000 NO NO NO NO NDv NO <br /> 11=001 12 NO NO ND NDv 00976 <br /> 4113!2001 NO ND ND NO NDv ND <br /> 7/18/2001 <03 <03 <03 <06 <10v <005 <br /> 10/9!2001 09 <0 5 <0 5 <1 0 <0 5v 0 091 <br /> 1!812002 <0 5 <0 5 <0 5 <1 0 24v <0 05 <br /> 4!9/2002 <05 <0 5 <0 5 <1 0 1 5 v 006 <br /> 7/5/2002 <0 5 <0 5 <0 5 <1 0 20V 0 056 <br /> IL--Jj 10/1712002 1 <05 <0 5 <0 5 <l 0 3 3 v 0 055 <br /> B T,E X=benzene toluene ethyl benzene and xylene ND=none detected at or above laboratory detection lumt <br /> TPH-G=total petroleum hydrocarbons quantified as gasoline ND X=none detected to a level of X <br /> MTBE=methyl tertiary butyl ether '=detection lunit raised due to elevated petroleum hydrocarbon result <br /> NA=not tested for flus analyte <br /> [x]=EPA Method 602 analysis indicates a concentration of x result 1s not confirmed by EPA Method 8260 however Subsequent analyses by <br /> EPA Method 8260 indicates MTBE is 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 /> A=Sample chromatogram does not resemble typical gasoline standard chromatogram The sample was further analyzed and <br /> cis-1 2-Dlchloroethene Trlchloroethena and Tetrachloroethene were detected at concentrations of 16 5 212 and 66 1 AgIL <br /> See laboratory reports in Appendix C <br /> with the exception of DIPE which was detected above the laboratory reported detection limit <br /> •'=EPA Method 602 indicated that MTBE was present at 240 Ag/L However EPA Method 8260 indicated in the previous monitoring event <br /> that MTBE was not present in the monitor well at or above the laboratory reported detection lmut <br /> • <br />