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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) LugIL) (lrglt-) (ug1L) (pg/L) Lug/L) (pg/L) (pg/L) (mg1L) Comments <br /> AMW-3 3!2311995 - 2529 664 1865 ND<50 - ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- 93 <br /> 10/4/1995 -- 2529 759 1770 -- - — — — <br /> 1/4/1996 — 2529 710 1819 -- -- — -- -- - - -- <br /> 3/29/1996 — 2529 697 1832 ND<50 — ND<O 5 ND<1 ND<1 ND<l ND<10 3 8 <br /> 7/1/1996 2529 753 1776 — -- __ __ — _ — <br /> 10/15/1996 -- 2529 775 1754 - — - — - - - <br /> 4/16/1997 - 2529 635 18 94 -- -- -- -- -- -- _ — <br /> 10/15/1997 -- 2529 750 1 1779 — — — — — - <br /> 3/17/1998 -- 2529 709 1820 -- -- - -- -- — <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 -- 2529 739 1790 - — — — — — <br /> j 4/12/2001 -- 2529 730 1799 - - — — - <br /> 5/23/2001 -- 2529 718 1811 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<l 5 4 6 — <br /> 7/31/2001 -- 2529 744 1785 63 ND<O 5 ND<O 5 ND<O 5 ND<1 5 838 — <br /> 10/30/2001 -- 2529 747 1782 ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<1 5 ND<O 5 -- <br /> 1/29/2002 2529 703 1826 ND<50 - ND<O 5 ND<O 5 ND<O 5 ND<1 0 599 -- <br /> 4130/2002 -- 2529 718 1811 ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<1 0 574 — <br /> 7/30/2002 P 2529 737 1792 1 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<1 0 72 — <br /> 10/31/2002 P 2529 665 1864 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 64 — <br /> 01/30/2003 P 2529 7 55 1774 <50 - <0 50 <0 50 <050 <0 50 41 — <br /> 04/30/2003 P 2529 704 1825 <50 - <050 <0 50 <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 /> 01/2612004 P 2529 720 1809 <50 <0 50 <0 50 <0 50 <0 50 6 0 -- <br /> 04/27/2004 P 2529 715 1814 <50 <0 50 <0 50 <0 50 <050 13 -- <br /> 07/30/2004 P 2529 768 1761 <50 <0 50 <0 50 <0 50 <0 50 31 — <br /> 10/28/20041 P 1 2529 749 1780 <50 - <050 <0 50 <0 50 <0 50 29 — <br /> Report Date October 13, 2005 Page 5 of 28 <br />