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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 TPH9 TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (pg/L) (pglL) (pg/L) (pg/L) (pg/L) (pg/L) 419/L) (mglL) Comments <br /> MW 7 2/9/1987 6,300 420 92 1,200 <br /> 9/21/1987 N0<50 ND<O 5 I ND<O 5 ND<O 5 <br /> 10/20/1987 65 - ND<0 5 ND<O 5 007 <br /> 11/20/1987 ND<50 ND<0 5 ND<O 5 ND<O 5 <br /> 3/13/1988 26 50 675 1975 -- -- <br /> 3/23/1988 2650 696 1954 57 59 N0<0 5 1 <br /> I <br /> 6/7/1988 2650 675 1975 -- -- - <br /> 10/18/1988 2650 710 1940 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 <br /> 2/15/1990 2650 580 2070 3,400 94 73 70 170 <br /> 4/26/1990 26 50 663 1987 -- - - -- - <br /> 7/12/1990 26 50 666 1 1984 ND<50 N0<0 3 ND<0 3 N0<0 3 ND<O 3 <br /> 8/27/1990 2650 686 1964 <br /> 11/2/1990 26 50 703 1947 <br /> 11/5/1990 2650 704 1946 ND<50 ND<O 3 ND<O 3 ND<0 3 ND<O 3 <br /> 2/25/1991 2650 630 2020 ND<50 ND<0 3 ND<O 3 ND<0 3 ND<0 3 <br /> 6/27/1991 26 50 714 1936 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 <br /> 9/25/1991 2650 850 1800 ND<30 ND<O 30 ND<0 30 NM 30 ND<O 30 <br /> 12/10/1991 2650 698 1952 ND<30 ND<0 30 ND<O 30 ND<0 30 ND<0 30 - <br /> 3/25/1992 2650 653 1997 ND<30 ND<O 30 ND<O 30 ND<0 30 ND<O 30 <br /> 6/25/1992 2650 813 1837 ND<30 ND<0 30 ND<O 30 ND<0 30 ND<O 30 <br /> j 12/8/1992 26-50 689 1961 ND<50 ND<0 5 ND<O 5 ND<O 5 ND<O 5 <br /> 3/10/1993 2650 654 1996 ND<50 ND<0 5 ND<O 5 ND<0 5 ND<0 5 <br /> 6/16/1993 2650 643 2007 <br /> 10/22/1993 2650 697 1953 <br /> 1/24/1994 2650 683 1967 <br /> ` 6/7/1994 2650 729 1921 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 34 <br /> 9/13/1994 2650 753 1897 -- <br /> 1/10/1995 2650 622 2028 - <br /> 3/23/1995 2650 616 2034 ND<50 ND<O 50 ND<0 50 ND<O 50 ND<1 0 89 <br /> 10/4/1995 2650 731 1919 -- <br /> 1/4/1996 2650 685 1965 - <br /> 3/29/1996 26 50 649 2001 ND<50 ND<0 5 ND<1 ND<1 ND<1 ND<10 3 9 <br /> 7/1/1996 2650 704 1946 - <br /> Report Date December!,2005 Page 24 of 29 <br />