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 I GW Sample Reading Elev Elev Depth LNAPL LNAPL COC Sample Benzene Toluene Ethylbenzene Total Xylenes Location Date Time feet feet feet Depth Thick Sam le ID Date Time (ug/L (ug/L (ug/L u /L Action Levels-On Site Mo itoring Well 25 2500 1000 10000 MW-06 08/13/2009 13:20 98.4 95.67 2.73 MW-06 08/13/2009 13:20 5500.000 84.000 607.000 900.000 MW-07 MW-7 05/04/1993 00:00 1500.000 2500.000 150.000 2200.000 MW-7 04/05/1995 00:00 9500.000 14000.000 1400.000 5600.000 MW-7 04/21/1997 00:00 18000.000 41000.000 5500.000 30000.000 MW-7 02/04/1998 00:00 18000.000 28000.000 3600.000 21000.000 MW-7 05/04/1999 00:00 3700.000 6100.000 1800.000 17000.000 MW-7 07/31/2003 00:00 2200.000 360.000 1500.000 9200.000 MW-7 06/03/2004 16:20 420.000 13.000 210.000 380.000 11/09/2005 12:57 99.03 95.57 3.46 MW-7 11/09/2005 12:57 1000.000 58.000 340.000 1500.000 06/29/2006 11:41 99.03 95.52 3.51 MW-7 06/29/2006 11:41 1700.000 140.000 460.000 3600.000 12/28/2006 13:52 99.03 95.9 3.13 MW-07 12/28/2006 13:52 19.000 <2.000 22.000 88.800 08/27/2008 11:32 99.03 94.83 4.2 MW-07 08/27/2008 11:32 65.000 <2.000 23.000 39.100 08/13/2009 13:05 99.03 94.71 4.32 MW-07 08/13/2009 13:05 234.000 3.300 21.000 40.000 MW-08 MW-8 05/04/1993 00:00 6.000 <1.000 <1.000 <1.000 MW-12 MW-12 05/04/1999 00:00 1600.000 370.000 1600.000 4000.000 MW-13 MW-13 05/04/1999 00:00 3500.000 130.000 710.000 600.000 MW-13 12/03/2001 00:00 2900.000 76.000 1200.000 970.000 MW-13 07/31/2003 00:00 2700.000 130.000 1400.000 490.000 MW-13 06/03/2004 11:30 2900.000 190.000 1200.000 1700.000 11/09/2005 13:22 98.19 94.71 3.48 MW-13 11/09/2005 13:22 2200.000 120.000 1400.000 1400.000 06/29/2006 11:33 98.19 95.72 2.47 MW-13 06/29/2006 11:33 2000.000 140.000 1500.000 1400.000 12/28/2006 14:09 98.19 95.94 2.25 MW-13 12/28/2006 14:09 1890.000 74.000 619.000 277.000 08/27/2008 11:55 98.19 95.36 2.83 MW-13 08/27/2008 11:55 1060.000 103.000 1410.000 1080.000 08/13/2009 13:26 98.19 95.32 2.87 MW-13 08/13/2009 13:26 1010.000 129.000 1930.000 1400.000 MW-14 MW-14 05/04/1999 00:00 3600.000 1100.000 2400.000 7700.000 06/29/2006 00:00 98.36 95.68 2.68 12/28/2006 1 13:33 98.361 95.91 2.45 MW-15 MW-15 05/04/1999 00:00 1600.000 1200.000 2900.000 12000.000 06/29/2006 00:00 98.72 95.76 2.96 12/28/2006 13:35 98.72 96.05 2.67 MW-16 MW-16 12/03/2001 00:00 <1.000 <1.000 <1.000 <1.000 MW-16 07/31/2003 00:00 <1.000 <1.000 <1.000 <1.000 MW-16 06/03/2004 17:25 <1.000 <1.000 <1.000 1.000 11/09/2005 13:07 100.24 95.32 4.92 MW-16 11/09/2005 13:07 <1.000 <1.000 <1.000 <1.000 Page 3 of 6