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� • i <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> Former BP Retail Site No 11194 <br /> 2375 Tracy Blvd, Tracy, CA <br /> TO Depth to Water Level Ethyl- Total <br /> Well Date P/ Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xyfenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet ms[) (pg1L) (pg/L) Uig/L) (pg/L) (pg/L) (pg/L) (pg/L) (mg/L) Comments <br /> AMW-5 3/23/1995 — 26 19 542 2077 ND<50 -- 1 5 ND<0 50 079 16 — 93 <br /> 10/4/1995 -- 2619 630 1989 210 — ND<1 0 ND<l 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 /> 1/411996 - 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<0 5 ND<1 ND<1 ND<1 230 -- QC-1 <br /> 7/1/1996 -- 2616-- 605 2014 170 — ND<0 5 ND<1 ND<1 ND<1 220 52 <br /> 10/15/1996 -- 2619 627 1992 ND<250 — 10 ND<5 0 ND<5 0 ND<5 0 27,000 64 <br /> 4/16/1997 — 2619 4 64 F21 35 - <br /> 10/15/1997 -- 2619 604 2015 <br /> 3/17/1998 — 2619 560 2059 <br /> 1/611999 — 2619 579 2040 <br /> 9/13/1999 -- 2619 557 2062 <br /> 1/19/2000 2619 569 2050 <br /> 4112!2000 — 2619 534 2085 <br /> 7/22/2000 — 2619 597 2022 - <br /> 10/26/2000 - 2619 4 90 2129 <br /> 1!1712001 -- 2619 610 2009 - <br /> 4/12/2001 - 2619 586 2033 <br /> 5/23/2001 2619 593 2026 580 — 178 4 39 323 165 612 - <br /> 7/31/2001 — 2619 607 2012 2,100 -- 153 ND<2 5 ND<2 5 ND<7 5 2,470 — <br /> 10/30/2001 - 2619 596 2023 1,900 ND<5 0 ND<5 0 ND<5 0 ND<15 2 180 <br /> 1/29/2002 2619 549 2070 290 — 368 1 85 126 601 109 — <br /> 4/30/2002 — 2619 566 2053 1,900 — 201 ND<0 5 407 ND<1 0 1 640 -- <br /> 7/30/2002 P 1 2619 691 1928 ND<500 - ND<5 ND<5 ND<5 ND<10 781 — <br /> 10/31/2002 P 2619 588 2031 50 - 066 ND<0 5 ND<0 5 ND<0 5 19 -- <br /> 01/30/2003 P 2619 577 2042 52 — <0 50 <0 50 <0 50 092 24 <br /> 04/30/2003 P 2619 553 2066 <50 -- <0 50 <0 50 <0 50 <0 50 76 - <br /> 07/30/2003 P 2619 611 2008 300 R -- 94 <2 5 <2 5 <2 5 44 <br /> 10/29/2003 P 2619 605 2014 <50 -- <0 50 <0 50 <0 50 <0 50 47 -- <br /> 01/2612004 P 2619 574 2045 <50 — <0 50 <0 50 <0 50 <0 50 58 -- <br /> 04/27/2004 P 2619 595 2024 <50 -- <0 50 <0 50 <0 50 <0 50 1 1 — <br /> 07/30/2004 P 2619 628 1991 92 - 29 <0 50 <0 50 <0 50 1 7 — <br /> Report Date June 21,2005 Page 8 of 28 <br />