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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) (ug/L) (1ng/L) (ug1L) (pg/L) (Ng1L) (1rg1L) (nk) (mg1L) Comments <br /> AMW-4 9/17/2001 – 2536 522 2014 -- – – – – – – – <br /> 4/12/2001 – 2536 476 2060 <br /> 5/23/2001 – 2536 485 2051 ND<50 – ND<O 5 147 ND<O 5 ND<1 5 ND<O 5 – <br /> 7/31/2001 – 2536 511 2025 ND<50 – ND<O 5 ND<O 5 ND<O 5 ND<1 5 ND<O 5 -- <br /> 10/30/2001 – 2536 498 2038 ND<50 – ND<O 5 ND<O 5 ND<O 5 ND<1 5 818 -- <br /> 1/29l2002 – 2536 441 2095 ND<50 – ND<O 5 ND<O 5 ND<O 5 ND<1 0 ND<O 5 – <br /> 4/3012002 -- 2536 472 2064 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<1 0 ND<O 5 -- <br /> 7/30/2002 P 2536 502 2034 ND<50 – N13<0 5 ND<0 5 ND<O 5 ND<1 0 ND<0 5 – <br /> 10/31/2002 P 2536 495 20 41 ND<50 – ND<O 5 ND<0 5 ND<O 5 ND<O 5 ND<2 5 -- <br /> 01/30/2003 P 2536 4 72 20 64 <50 – <0 50 <0 50 <0 50 <0 50 <0 50 - <br /> 04/30/2003 P 2536 459 20 77 <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 466 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 537 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 /> 04129/2005 -- 2536 485 2051 -- -- -- -- -- -- Sampled Annually 3rd <br /> Quarter <br /> AMW-5 12/10/1991 – 2619 595 2024 N0<30 – ND<O 30 ND<O 30 ND<O 30 N0<0 30 – – <br /> 3/25/1992 – 2619 539 2080 72 – 4 8 ND<p 30 ND<O 30 ND<O 30 – – <br /> 6/25/1992 – 2619 727 1892 ND<30 – N13<0 30 ND<O 30 ND<O 30 ND<O 30 – – <br /> 12/8/1992 - 2619 578 2041 56 – ND<O 5 N0<0 5 ND<O 5 ND<O 5 – – <br /> 3/1011993 – 2619 550 2069 ND<50 – 32 06 2 51 -- -- <br /> 6/16/1993 – 2619 376 2243 ND<50 -- ND<0 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 20 64 ND<50 – ND<O 5 ND<O 5 ND<O 5 ND<O 5 45 -- <br /> 6//1994 -- 2619 601 2018 ND<50 – ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 3 7 <br /> 9/13/1994 – 2619 633 1986 ND<50 – ND<0 5 ND<0 5 ND<O 5 ND<O 5 ND<5 0 73 <br /> 1/10/1995 -- 2619 541 2078 ND<50 – 5 2 ND<O 5-1 2 -- 51 <br /> Report Date June 21,2005 Page 7 of 28 <br />