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 /1 u /L u /L Action Levels-Off Site Monitorin Well 25 2500 1000 10000 MW-11 MW-11 12/04/2001 00:00 <1.000 <1.000 <1.000 1.300 MW-11 07/31/2003 00:00 <1.000 <1.000 <1.000 <1.000 MW-11 06/03/2004 13:35 <1.000 <1.000 <1.000 <1.000 11/09/2005 10:05 92.78 89.3 3.48 MW-11 11/09/2005 10:05 1.200 <1.000 1.900 <1.000 06/29/2006 00:00 92.78 89.03 3.75 12/28/2006 14:40 92.78 90.23 2.55 MW-11 12/28/2006 14:40 <2.000 <2.000 <2.000 <4.000 08/27/2008 11:04 92.78 88.98 3.8 MW-11 08/27/2008 11:04 <2.000 <2.000 <2.000 <2.000 08/13/2009 13:42 92.78 88.86 3.92 MW-11 08/13/2009 13:42 <2.000 <2.000 <2.000 <2.000 MW-17 MW-17 12/03/2001 00:00 2.700 1.800 7.000 44.000 MW-17 07/31/2003 00:00 <1.000 <1.000 1.900 11.000 MW-17 06/03/2004 15:50 <1.000 <1.000 1.100 6.800 11/09/2005 13:02 99.35 94.49 4.86 MW-17 11/09/2005 13:02 28.000 22.000 170.000 360.000 06/29/2006 00:00 99.35 94.39 4.96 12/28/2006 13:54 99.35 94.97 4.38 MW-17 12/28/2006 13:54 <2.000 <2.000 <2.000 3.600 08/27/2008 11:28 99.35 93.621 5.73 MW-17 08/27/2008 11:28 4.300 9.800 189.000 567.000 08/13/2009 13:09 99.35 93.72 5.63 MW-17 08/13/2009 13:09 <2.000 2.500 140.000 707.000 MW-18 MW-18 12/03/2001 00:00 <1.000 <1.000 <1.000 1.500 MW-18 07/31/2003 00:00 <1.000 <1.000 <1.000 <1.000 MW-18 06/03/2004 17:45 <1.000 <1.000 <1.000 <1.000 11/09/2005 11:08 99.06 92.71 6.35 MW-18 11/09/2005 11:08 <1.000 <1.000 <1.000 <1.000 06/29/2006 00:00 99.06 93.32 5.74 12/28/2006 13:56 99.06 94.07 4.99 MW-18 12/28/2006 13:56 <2.000 <2.000 <2.000 <4.000 08/27/2008 11:20 99.06 93.03 6.03 MW-18 08/27/2008 11:20 <2.000 <2.000 <2.000 <2.000 08/13/2009 13:14 99.06 93.06 6 MW-18 08/13/2009 13:14 <2.000 <2.000 <2.000 <2.000 MW-19 MW-19 12/04/2001 00:00 <1.000 <1.000 <1.000 1.300 MW-19 07/31/2003 00:00 <1.000 <1.000 <1.000 <1.000 MW-19 06/03/2004 14:15 <1.000 <1.000 <1.000 <1.000 11/09/2005 11:17 96.65 91.23 5.42 MW-19 11/09/2005 11:17 <1.000 <1.000 <1.000 <1.000 06/29/2006 00:00 96.65 91.41 5.24 12/28/2006 14:02 96.65 92.94 3.71 MW-19 12/28/2006 14:02 <2.000 <2.000 <2.000 <4.000 08/27/2008 11:10 96.65 91.44 5.21 MW-19 08/27/2008 11:10 <2.000 <2.000 <2.000 <2.006- 08113/2009 13:45 96.65 91.15 5.5 MW-19 08/13/2009 13:45 <2.000 <2.000 <2.000 <2.000 MW-20 MW-20 12/03/2001 00:00 <1.000 <1.000 <1.000 <1.000 MW-20 07/31/2003 00:00 <1.000 <1.000 <1.000 <1.000 Page 5 of 6