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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) Wg/L) (pg1L) MIL) (pg1L) (pg/L) (Erg/L) (pg/L) (mg/L) Comments <br /> AMW-4 1/29/2002 - 2536 441 2095 ND<50 - ND<O 5 ND<O 5 ND<O 5 ND<1 0 ND<O 5 - <br /> 4/30/2002 -- 2536 472 2064 ND<50 - ND<0 5 ND<0 5 ND<O 5 ND<l 0 N0<0 5 -- <br /> 7/30/2002 P 2536 502 2034 ND<50 - ND<O 5 ND<O 5 ND<O 5 ND<1 0 ND<0 5 -- <br /> 10/31/2002 P 2536 495 2041 ND<50 - ND<O 5 ND<O 5 ND<0 5 ND<O 5 ND<2 5 - <br /> 01/30/2003 P 2536 472 2064 <50 - <0 50 <0 50 <0 50 <050 <0 50 - <br /> 04/30/2003 P 2536 459 2077 <50 - <0 50 <0 50 <0 50 <0 50 <2 5 -- <br /> 07/30/2003 P 2536 518 2018 <50 - <0 50 <0 50 <0 50 <0 50 <0 50 <br /> 10/29/2003 P 2536 502 2034 <50 -- <0 50 <0 50 <0 50 <0 50 <0 50 - <br /> 01/26/2004 P 2536 4 66 2070 <50 - <0 50 <0 50 <0 50 <0 50 <0 50 -- <br /> 04/27/2004 P 2536 502 2034 <50 -- <0 50 <0 50 <0 50 <0 50 <0 50 - <br /> 07/30/2004 P 2536 5V 1999 <50 - <0 50 <0 50 <0 50 <0 50 <0 50 -- <br /> 10/28/2004 - 2536 448 2088 -- - -- - -- - - - Sampled Annually 3rd <br /> Quarter <br /> 01/31/2005 -- 2536 438 2098 - - -- - - - - Sampled Annually 3rd <br /> Quarter <br /> AMW-5 12/10/1991 -- 2619 595 2024 ND<30 - ND<O 30 ND<O 30 ND<0 30 ND<O 30 - -- <br /> 3/25/1992 - 26 19 539 2080 72 - 48 ND<O 30 ND<O 30 ND<O 30 -- <br /> 6/25/1992 -- 26 19 727 1892 ND<30 - ND<O 30 ND<0 30 ND<O 30 ND<O 30 - -- <br /> 12/8/1992 2619 578 2041 56 - ND<0 5 ND<O 5 ND<O 5 ND<0 5 - - <br /> 3/10/1993 - 2619 550 2069 ND<50 - 32 06 2 51 - - <br /> 6/16/1993 - 2619 376 2243 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 - - <br /> 10/22/1993 -- 2619 593 2026 300 - ND<O 5 ND<O 5 ND<O 5 ND<O 5 840 - <br /> 1/24/1994 2619 555 2064 ND<50 - ND<O 5 ND<O 5 ND<O 5 ND<O 5 45 - <br /> 6/7/1994 -- 2619 601 2018 ND<50 - ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 37 <br /> 9/13/1994 - 26 19 633 1986 ND<50 -- ND<O 5 ND<O 5 ND<0 5 ND<O 5 ND<5 0 73 <br /> 1/10/1995 - 2619 541 2078 ND<50 - 5 2 ND<O 5 2 51 <br /> 3/23/1995 - 2619 542 2077 ND<50 - 1 5 ND<O 50 079 16 - 9 3 <br /> 10/4/1995 -- 2619 630 1989 210 - ND<1 0 ND<1 0 ND<1 0 ND<2 0 840 64 <br /> 1/4/1996 - - - -- 370 -- ND<2 5 ND<2 5 ND<2 5 ND<5 0 1,300 - QC-1 <br /> 1/4/1996 - 2619 571 2048 360 -- ND<2 5 ND<2 5 ND<2 5 ND<5 0 1,300 1 9 <br /> 3/29/1996 - 2619 550 2069 9,400 - 25 6 14 4 12 000 3 <br /> 7/1/1996 -- - -- -- 170 - ND<O 5 N0<1 ND<1 ND<1 230 - QC-1 <br /> 7/1/1996 -- 2619 605 2014 170 -- ND<O 5 ND<1 ND<1 ND<1 220 52 <br /> Report Date April 8, 2005 Page 7 of 27 <br />