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1 <br />' TABLE A(continued) <br />' Constituent B T E X MTBE TPH-G <br /> EPA Method (602/80201 (602/80201 (602/8020/ (602/8020/ (6071 8260) (5030/L.LTF17 <br /> 8021B) 8021B) 8021B) 8021B) 8015m) <br /> Detection Limits 03 03 03 06 10 005 <br />' I Ag/L µg/L Agri- Ag/L lig/L mg/L <br /> 141W-7 0922/1994 ND 54 2 1 94 NA 12 <br /> 02/1411995 24 26 65 13 NA 057 <br />' 05/04/1995 15 76 ND 49 NA 025 <br /> 08!1011995 1 1 49 0 64 27 NA 043 <br /> 04/03/1997 06 2,2 ND ND [4 8] 019 <br />' <br /> 07121/1997 1. 04 16 ND ND [3 6) 0 13 <br /> 10/23/1997 05 22 ND ND NDv 018 <br /> 0122/1998 08 3 ND ND NDw 021 <br />' 042411998 059 24 ND ND NDv 017 <br /> 07/23/1998 11 12 ND ND NDw 01 <br /> 10121/1998 04 19 ND ND NDv 01 <br />' 0120/1999 04 18 ND ND NDv 01 <br /> 04/23/1999 03 14 ND ND NDv 008 <br /> 0728/1999 ND 12 ND ND NDv ND <br />' 10115/1999 ND 08 ND ND NDv 0 06 <br /> 01/192000 ND 08 ND ND NDv 006 <br /> 04/192000 ND ND ND ND NDv Oil <br /> 07/132000 ND 08 ND ND NDv ND <br /> 10/132000 ND ND ND ND NDv ND <br /> 01/022001 12 ND ND ND NDv 00976 <br /> 04/132001 ND ND ND ND NDv ND <br /> I B,T,F„X=benzene,toluene,ethyl benzene and xylene ND=none detected at or above laboratory detection limit <br /> TPH-G=total petroleum hydrocarbons,quantified as gasoline ND X=none detected to a level of X <br /> MTBE=tnethyl tertiary butyl ether ;=detection limit raised due to elevated petroleum hydrocarbon result <br /> DIPE—Di-isopropyl ether NA=not tested for this analyte <br /> [xJ=EPA Method 602 analysis indicates a concentration of x,result is not confirmed by EPA Method 8260 however Future analysis by <br /> EPA Method 8266 may indicate that MTBE is not present <br /> I •=other oxygenates/additives were analyzed by EPA Method 8260 and were not detected at or above the laboratory reported detection]amts <br /> •=other oxygenates/additives were analyzed by EPA Method 8260 and were not detected at or above the laboratory reported detection[uruts, <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 240µL / 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 limit. <br /> .0-Sample chromatograrn does not resemble typical gasohne standard chromatogram The sample was frirther analyzed and <br /> cis 1 2-Dichlorcethese Trichloroethene and Tetrachloroethene were detected at concentrations of 16 5,21 2 and 66 1µg/L See <br /> ilaboratory reports in Appendix C <br /> i <br /> I <br /> I <br />