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TABLE A Historic Groundwater Analytical Data Canepa's Park Street(September 1994-October 2005) Other Constituent B T E X MTBE Oxygenates! 'IPH-G Additives NPA Method (602/8020/ (60218020/ (602/80201 (602/8020/ (8020/8260B) (82608) (5030/LUFT 8021B/8260B) 8021B18260B) 8021BI8260B) 8021Bl8260B} /8015M) Detcctmn Limits 0} 0 3 0 3 06 1 0 05 005 µg/L jig/t, pg/L pg/L µg/L pglL mg/L MW-7 9/22/1994 ND 54 21 94 NA NA 120 2/14/1995 24 26 6 5 13 NA NA 057 5/4/1995 15 76 ND 49 NA NA 025 8/10/1995 11 49 064 27 NA NA 043 4/3/1997 06 22 ND ND (4 81 NA 0 19 7/21/1997 04 16 ND ND (3 6) NA 0 13 ]0/23/1997 0 5 22 ND ND NDr NA 0 18 1/2211998 09 3 ND ND NDv NA 021 4!24/1998 0 59 24 ND ND NDv NA 0 17 7/23/1998 11 l2 ND ND NDv NA 010 10/21/1998 04 19 ND ND NDv NA 010 1/20/1999 04 18 ND ND NDr NA 010 4/23/1999 03 14 ND ND NDv NA 008 7/2811999 ND 12 ND ND NDv NA ND 10/15/1999 ND 08 ND ND NDr NA 006 1/19/2000 ND 08 ND ND NDv NA 006 4/19/2000 ND ND ND ND NDv NA 011 7!1312000 ND 08 ND ND NDr NA ND 10/13/2000 ND ND ND ND NDv NA ND 1/2/2001 l2 ND ND ND NDv NA 010 4/13/2001 ND ND ND ND NDv NA ND 7/18/2001 <0 3 <0 3 <0 3 <0 6 <1 Ow NA <0 05 10/9/2001 09 <0 5 <0 5 <10 <0 5V NA 009 1/812002 <0 5 <0 5 <0 5 <1 0 1 4 v NA <0 05 4/9/2002 <0 5 <0 5 <0 5 <1 0 l 5 v NA 006 7/5/2002 <0 5 <D 5 <0 5 <1 0 2 Ow NA 006 1011712002 <0 5 <0 5 <0 5 <1 0 33v NA 006 1/13/2003 <0 5 <0 5 <0 5 4/4!2003 <0 5 <0 5 <0 5 <1 0 <5 04 NA <0 05 7/10/2003 <0 5 <0 5 <0 5 <1 0 <5 09 NA <0 05 1116!2003 <0 5 <0 5 <0 5 <10 <5 09 NA <0 05 1/2812004 <0 5 1 <0 5 <0 5 <1 0 <5 09 NA <0 05 5/10!2004 <0 5 <0 5 <0 5 <1 0 <5 oft NA <0 05 7/14/2004 <0 5 <0 5 <0 5 <1 0 <5 00 NA <0 05 10112/2004 <0 5 <0 5 <0 5 1114120111 115 <0 5 <0 5 <1 0 20 <0 5<5 0 <0 05 4/12/2005 <0 5 <0 5 <0 5 <1 0 1 5 <0 5<5 0 <0 05 7/15!2005 <0 5 <0 5 <05 <1 0 1 1 <0 5-<5 0 <0 05 10/7/2005 <0 5 <0 5 <0 5 <l 0 09 <0 5-<5 0 <0 OS B T E X_benzene toluene ethyl benzene and total xylenes ND—none detected at or above laboratory detection limit TPH G=total petroleum hydrocarbons quantified as gasoline ND(X)=none detected to a level of X MTBE-methyl tertiary butyl ether -detection limit raised due to interference from non target µg/L=micrograms per liter—parts per billion(ppb) analytes mg/L—milligrams per liter=parts per million(ppm) NA=not tested for this analyte (x]=EPA Method 602 analysis indicated a concentration of x result was not confirmed by EPA Method 82608 however subsequent analyses by EPA Method 8260 indicates MTBE was present v=other oxygenates/add itives were analyzed by EPA Method 8260 and were not detected at or above the laboratory reported detection limits Sample chromatogram does not resemble typical gasoline standard chromatogram The sample was further analyzed and cis 1 2 Dichloroethene Trichloroethene and Telrachloreethene were detected at concentrations of 16 5 21 2 and 66 1µg/L . &=other oxygenates/additives were analyzed by EPA Method 8260 and were not detected at or above the laboratory reported detection litnrts with the exception of Di isopropyl ether which was detected above the laboratory reported detection limit =EPA Method 602 indicated that MTBE was present at 240 gg/L However EPA Method 8260 indicated in the previous monitoring event that MTBE was not present in the monitoring well al or above the laboratory reported detection limit fk=Analyzed by EPA Method 8020 •=Analyzed by EPA Method 826011 P 12000_pr,]12038 Canepa Park1203813 Canepa ParklReportslReporls1203813 Canepa's Oct 2005 4th grrir1A11 MW Analytical 11-17-05 xis