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• i i <br /> Table "I <br /> Groundwater Elevation and Analytical Data <br /> Former BP Retail Site No 11194 <br /> 2375 Tracy Blvd, Tracy, CA <br /> TOG Depth to Water Level Ethyl- Total <br /> Well Date TNP (feet <br /> evation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled msl) (feet bgs) (feet msl) WglL) (ErgIL) (pglL) (pglL) (pg1L) (pg/L) (pg/L) (mg/L) Comments <br /> MW-1 1115!1990 -- 2688 653 2035 ND<50 — ND<0 3 ND<0 3 ND<0 3 ND<0 3 -- — <br /> 2/25/1991 — 2688 575 2113 ND<50 — ND<0 3 ND<0 3 N0<0 3 ND<0 3 — — <br /> 6/27/1991 — 2688 666 2022 ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 — <br /> 9125/1991 — 2688 704 1984 ND<30 -- N0<0 30 ND<0 30 ND<0 30 ND<0 30 — -- <br /> 12/10/1991 -- 2688 646 2042 1 ND<30 — ND<0 30 ND<0 30 ND<0 30 ND<0 30 — — <br /> 3/25/1992 -- 2688 595 2093 ND<30 — ND<0 30 ND<0 30 ND<0 30 ND<0 30 — — <br /> 6/25/1992 — 2688 802 1886 ND<30 -- ND<0 30 ND<0 30 ND<0 30 ND<0 30 — _ <br /> 12/8/1992 — 2688 644 2044 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- — <br /> 3/10/1993 -- 2688 601 2087 ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- — <br /> 6/16/1993 -- 2688 567 2121 <br /> 10/22/1993 -- 2688 649 2039 <br /> 1/24/1994 -- 2688 6 38 2050 <br /> 6/7/1994 2688 684 2004 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 34 <br /> 9/13/1994 -- 2688 713 1975E 1/10/1995 — 26 88 5 93 20953/23/1995 — 2688 5 68 21 20 ND<50 — ND<0 50 Np<0 5050 ND<1 0 — 97 <br /> 10/4/1995 -- 2688 696 1992 <br /> 1/4/1996 -- 2688 624 2064 <br /> 3/29/1996 -- 2688 605 2083 ND<50 - Np<0 5 ND<1 ND<1 ND<1 ND<10 38 <br /> 7/1/1996 — 2688 661 2027 <br /> 10/15/1996 — 2688 680 2008 <br /> 4/16/1997 -- 2688 540 2148 <br /> 10/15/1997 -- 2688 675 2013 <br /> 3/17/1998 -- 2688 634 2054 <br /> 1/6/1999 -- 2688 652 2036 <br /> 9/13/1999 -- 2688 587 2101 <br /> 1/19/2000 — 2688 622 2066 <br /> 4/12/2000 - 2688 629 2059 <br /> 7/22/2000 2688 660 2028 <br /> 10/26/2000 -- 2688 625 2063 <br /> 1/17/2001 2688 692 1996 1 <br /> 4/12/2001 -- 2688 641 2047 <br /> 5/23/2001 - 26 88 6 61 20 27 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<1 5 193 — <br /> Report Date ApnI8,2005 Page 11 of 27 <br />