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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) (uglL) (jrglt-) (pglL) (pg/L) (lig/L) (NgIL} (Frg/L) (mg/L) Comments <br /> AMW-1 10/26/2000 — 2653 5 80 2073 -- -- — -" - <br /> 1/17/2001 -- 2653 588 2065 - <br /> 4l1212001 =- 26 53 536r21 175/23/2001 — 2653 56588 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<1 5 ND<O 57131/2001 — 2653 605 48 69 -- ND<0 5 ND<O 5 ND<O 5 ND<i5 ND<0 5 — <br /> 10/30/2001 -- 2653 6 1142 ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<1 5 ND<O 5 -- <br /> 1/29/2002 — 2fi53 486 67 ND<50 -- ND<O 5 ND<0 5 ND<O 5 ND<1 0 ND<O 5 -- <br /> 4/30/2002 -- 26 53 491 21 62 ND<50 - N0<0 5 ND<0 5 ND<O 5 ND<1 0 ND<O 5 <br /> 7/3012002 P 2653 591 2062 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<1 0 ND<O 5 -- <br /> 10/31/2002 P 26 53 551 2102 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<2 5 - <br /> 01/30/2003 P 2653 539 2114 <50 - <0 50 <050 <0 50 <0 50 <0 50 — <br /> 04/30/2003 P 2653 521 2132 <50 -- <0 50 <0 50 <0 50 <0 50 <25 — <br /> 07/30/2003 P 2653 600 2053 <50 -- <0 50 <0 50 <0 50 <0 50 <0 50 - <br /> 10/29/2003 P 2653 581 2072 <50 — <0 50 <0 50 <0 50 <0 50 <0 50 — <br /> 01/26/2004 P 2653 520 2133 <50 — <0 50 <0 50 <0 50 <0 50 <050 — <br /> 04/27/2004 P 2653 572 2081 <50 — <0 50 <0 50 <0 50 <0 50 <0 50 — <br /> 07/30/2004 P 2653 620 2033 <50 — <0 50 <0 50 <0 50 <0 50 <0 50 — <br /> 10/28/2004 — 2653 598 2055 -- -- — — — — -- -- Sampled Annually 3rd <br /> Quarter <br /> 01/31/2005 26 53 581 2072 -- — -- -- — - — — Sampled Annually 3rd <br /> Quarter <br /> 04/29/2005 -- 2653 552 2101 — — -- - - - — — Sampled Annually 3rd <br /> Quarter <br /> 07129/2005 P 2653 595 20 58 <50 1 -- <0 50 1 <0 50 <0 50 <0 50 <0 50 — <br /> AMW-2 4/26/1990 — 2645 494 21 51 ND<50 -- ND<O 3 ND<O 3 ND<O 3 ND<O 3 — -- <br /> 7/12/1990 -- 2645 521 21 24 ND<50 -- ND<O 3 ND<O 3 N0<0 3 ND<0 3 — -- <br /> 6/27/1990 - 2645 546 2099 — -- — -- <br /> 11/2/1990 - 2645 5 47 2098 <br /> 11/5/1990 26 45 549 2096 ND<50 -- ND<O 3 ND<O 3 ND<O 3 ND<O 3 — -- <br /> 2/25/1991 -- 2645 4 56 2189 ND<50 -- ND<O 3 ND<O 3 ND<O 3 ND<O 3 — <br /> 3/25/1991 2645 470 2175 ND<30 -- ND<0 30 ND<0 30 ND<0 30 ND<0 30 -- - <br /> 6/27/1991 -- 2645 5 60 2085 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<0 5 — — <br /> 9/25/1991 -- <br /> 26545 6 07 2O 38 ND<30 -- ND<O 30 ND<O 30 ND<O 30 ND<O 30 -- <br /> Page 2 of 28 <br /> Report Date October 13,2005 <br />