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Table 1 <br /> Groundwater Elevation and Analytical Data <br /> Former BP Retail Site No 11194 <br /> 2375 Tracy Blvd, Tracy, CA <br /> TOC Depth to Water Level Ethyl- Total <br /> Well Date P/ Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (ErgIL) (pg/L) (E.gIL) (pglL) (UgIL) (pg/L) (pg/L) (mg/L) Comments <br /> AMW-3 9/13/1994 - 2529 764 1765 <br /> 1/10/1995 - 2529 683 1846 <br /> 3/23/1995 2529 664 1865 ND<50 - ND<0 50 ND<0 50 ND<0 50 ND<1 0 9 3 <br /> 10/4/1995 2529 759 1770 - -- <br /> 1/411996 2529 710 1819 - _- <br /> 3/29/1996 2529 697 1832 ND<50 - ND<0 5 ND<1 ND<1 ND<1 ND<10 38 <br /> 7/1/1996 - 2529 753 1776 - -- _ _ <br /> 10/15/1996 2529 775 1754 <br /> 4/16/1997 2529 635 1894 <br /> 10/15/1997 2529 750 1779 <br /> 3/17/1998 2529 709 1820 <br /> -- <br /> 1/6!1999 2529 725 1804 <br /> 9/13/1999 2529 801 1728 <br /> 1/19/2000 2529 700 1829 <br /> 4/12/2000 2529 731 1798 - <br /> 7/22/2000 - 2529 736 1793 -- _ <br /> 10/26/2000 2529 738 1791 _ <br /> 1/17/2001 2629 739 1790 <br /> 4/12/2001 2529 730 1799 - <br /> 5/23/2001 - 2529 718 1811 ND<50 ND<0 5 ND<0 5 ND<0 5 N0<1 5 46 <br /> 7/31/2001 2529 744 1785 63 ND<0 5 ND<0 5 ND<0 5 ND<1 5 838 <br /> 10/30/2001 2529 747 1782 N0<50 ND<0 5 ND<0 5 ND<0 5 ND<1 5 ND<O 5 <br /> 1/29/2002 2529 703 1826 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<1 0 599 <br /> 4/30/2002 2529 718 1811 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<1 0 574 <br /> 7/30/2002 P 2529 737 1792 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<1 0 72 <br /> 10/31/2002 P 2529 665 1864 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 64 <br /> 01/30/2003 P 252 9 755 1774 <50 <050 <0 50 <0 50 <0 50 41 <br /> 04/30/2003 P 2529 704 1825 <50 <0 50 <050 <050 <0 50 25 <br /> 07/30/2003 - 2529 - - - - Well inaccessible,Not <br /> Sampled <br /> 10/29/2003 P 2529 741 1788 <50 <0 50 <0 50 <0 50 <0 50 76 <br /> 01/26/2004 P 25 29 720 1809 <50 - <050 <0 50 <0 50 <0 50 60 -- <br /> 04/27/20041 P 1 2529 715 1814 <50 - <0 50 <0 50 <050 <0 50 13 <br /> 1 <br /> Report Date December 1,2005 Page 5 of 29 <br />