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�e 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) WL) (frg/L) (frg/L) (jrg/L) (Ug/L) (Ng/L) (pg/L) (mg/L) Comments <br /> MW 8 4/16/1997 2566 513 2053 <br /> 10/15/1997 - 2566 650 1916 - <br /> 3/17/1998 25 66 603 1963 -- -- -- -- <br /> 1/6/1999 2566 659 1907 1,000 200 19 25 110 ND<l0 <br /> 9/13/1999 2566 642 1924 150 - ND<1 0 ND<1 0 1 7 ND<1 0 26 <br /> 1/19/2000 2566 5 97 1969 460 ND<C 5 NO<0 5 3 8 26 3 4 <br /> 4/12/2000 2566 647 1919 280 ND<0 5 ND<0 5 1 9 24 22 <br /> 7/22/2000 2566 640 1926 410 ND<0 5 ND<0 5 42 2 8 35 <br /> 10/26/2000 2566 640 1926 60 ND<0 5 ND<0 5 ND<0 5 ND<0 5 52 <br /> 1/17/2001 2566 -- -- -- - - - - - <br /> 4/12/2001 2566 604 1962 280 - 215 0 8 728 351 135 _ <br /> 5/23/2001 2566 618 1948 76 ND<0 5 ND<0 5 ND<0 5 ND<1 5 11 2 <br /> 7/31/2001 - 2566 640 1926 100 ND<0 5 ND<0 5 ND<0 5 ND<1 5 958 <br /> 10/30/2001 2566 652 1914 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<1 5 51 <br /> 1/29/2002 2566 5 82 1984 ND<50 0 519 ND<0 5 ND<0 5 ND<1 0 105 <br /> 4/30/2002 2566 613 1953 ND<250 ND<2 5 ND<2 5 ND<2 5 ND<5 0 135 <br /> 7/30/2002 2566 -- -- -- Area Under Construction- <br /> Not Sampled <br /> 10/31/2002 P 25 66 623 1943 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<2 5 <br /> 01/30/2003 P 2566 652 1914 <50 UJ <0 50 UJ <0 50 UJ <0 50 UJ <0 50 UJ 7 9 J <br /> 04/30/2003 P 2566 579 1987 <50 <0 50 <0 50 <0 50 <0 50 5 8 <br /> 07/30/2003 P 2566 633 1933 <50 <0 50 <0 50 <0 50 <0 50 3 7 <br /> 10/29/2003 P 2566 638 1928 <50 <0 50 <0 50 <0 50 <0 50 1 7 <br /> 01/26/20 04 P 2566 604 1962 <50 <0 50 <0 50 <0 50 <0 50 1 8 <br /> 04/27/2004 P 2566 655 1911 63 <0 50 <0 50 <0 50 <0 50 24 <br /> 07/30/2004 P 2566 672 1894 <50 <0 50 <050 <0 50 <0 50 47 <br /> 10/28/2004 -- 2566 589 1977 -- - -- - - Sampled Annually 3rd <br /> Quarter <br /> 01/31/2005 2566 527 2039 - Sampled Annually 3rd <br /> Quarter <br /> 04/29/2005 - 2566 613 1953 -- - - - -- - Sampled Annually 3rd <br /> Quarter <br /> 07/29/2005 P 2566 6 55 1911 <50 <050 <050 <0 50 <050 1 12 <br /> Report Date December 1,2005 Page 27 of 29 <br />