2010-38 PROHIBITING THE USE OF GROUNDWATER AS A POTABLE WATER SUPPLY

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Table 1 BTEX Groundwater Analytical Results Speedway SuperAmerica#5205 Decatur, IL TOC GW GW Sample Reading Elev Elev Depth LNAPL LNAPL COC Sample Benzene Toluene Ethylbenzene Total Xylenes Location Date Time feet feet feet Depth Thick Sample ID Date Time u /L u /L u /L u /L Action Levels-On Site Monitorin Well 25 2500 1000 10000 MW-16 06/29/2006 00:00 100.24 95.2 5.04 12/28/2006 13:46 100.24 96.15 4.09 MW-16 12/28/2006 13:46 <2.000 <2.000 <2.000 <4.000 08/27/2008 11:44 100.24 94.42 5.82 MW-16 08/27/2008 11:44 <2.000 <5.000 <5.000 <5.000 08/13/2009 12:54 100.24 94.27 5.97 MW-16 08/13/2009 12:54 <2.000 <2.000 <2.000 <2.000 MW-25 08/27/2008 00:00 97.81 IA IA IA 08/13/2009 13:29 97.81 95.37 2.44 MW-25 08/13/2009 13:29 <2.000 <2.000 <2.000 <2.000 MW-26 08/27/2008 11:40 100.55 94.22 6.33 MW-26 08/27/2008 11:40 <2.000 <2.000 <2.000 <2.000 08/13/2009 12:59 1100.551 93.991 6.56 MW-26 08/13/2009 12:59 <2.000 <2.000 <2.000 <2.000 Action Levels-Off Site Mo itoring Well 25 2500 1000 10000 MW-09 MW-9 05/04/1993 00:00 3300.000 320.000 1200.000 3000.000 MW-9 04/05/1995 00:00 2100.000 210.000 440.000 1000.000 MW-9 04/21/1997 00:00 2200.000 150.000 570.000 1100.000 MW-9 02/04/1998 00:00 1200.000 440.000 84.000 450.000 MW-9 05/04/1999 00:00 330.000 13.000 88.000 83.000 MW-9 12/03/2001 00:00 290.000 18.000 29.000 92.000 MW-9 07/31/2003 00:00 140.000 7.300 50.000 34.000 MW-9 06/03/2004 13:15 110.000 5.100 23.000 19.000 11/09/2005 10:00 96.09 91.44 4.65 MW-9 11/09/2005 10:00 240.000 14.000 140.000 45.000 06/29/2006 11:30 96.09 91.08 5.01 MW-9 06/29/2006 11:30 150.000 8.600 66.000 19.000 12/28/2006 14:04 96.09 91.68 4.41 MW-09 12/28/2006 14:04 17.000 <2.000 <2.000 <4.000 08/27/2008 10:59 96.09 90.96 5.13 MW-09 08/27/2008 10:59 295.000 16.000 223.000 70.000 08/13/2009 13:39 96.09 90.84 5.25 MW-09 08/13/2009 13:39 735.000 38.000 411.000 167.000 MW-10 MW-10 11/21/1997 00:00 <1.000 <1.000 <1.000 <1.000 MW-10 05/04/1999 00:00 4.900 <1.000 3.100 2.600 MW-10 12/03/2001 00:00 <1.000 <1.000 <1.000 1.300 MW-10 07/31/2003 00:00 <1.000 <1.000 <1.000 <1.000 MW-10 06/03/2004 15:05 <1.000 <1.000 <1.000 <1.000 11/09/2005 11:13 99.1 92.83 6.27 MW-10 11/09/2005 11:13 <1.000 <1.000 <1.000 <1.000 06/29/2006 00:00 99.1 93.38 5.72 12/28/2006 13:58 99.1 94.01 5.09 MW-10 12/28/2006 13:58 <2.000 <2.000 <2.000 <4.000 08/27/2008 11:15 99.1 93.19 5.91 MW-10 08/27/2008 11:15 <2.000 <2.000 <2.000 <2.000 08/13/2009 13:16 99.1 93.14 5.96 MW-10 08/13/2009 13:16 <2.000 <2.000 <2.000 <2.000 MW-11 MW-11 11/21/1997 00:00 <1.000 <1.000 <1.000 <1.000 MW-11 05/04/1999 00:00 1 <1.000 <1.000 1 <1.000 <1.000 Page 4 of 6