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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 PI Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (pg/L) (pg/L) (pg1L) (pg/L) (pgIL) (pg/L) (pg/L) (mg/L) Comments <br /> AMW-5 1/24/1994 2619 555 2064 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 45 — <br /> 6/7/1994 -- 2619 601 2018 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 37 <br /> 9/13/1994 — 2619 633 1986 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 73 <br /> 1/1011995 -- 2619 541 2078 ND<50 - 5 2 N0<0 5 2 -- 51 <br /> 3/2311995 2619 542 2077 ND<50 -- 15 ND<0 50 079 1 6 9 3 <br /> 10/4/1995 - 2619 630 1989 210 ND<l 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 N0<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 26 19 605 2014 170 -- ND<0 5 ND<1 ND<l ND<1 220 5 2 <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 484 2135 — — - - ~ ~ -- <br /> 10/15/1997 -- 2619 604 2015 -- -- -- — -- <br /> 3/17/1998 -- 2619 560 2059 -- — - — ~ <br /> 1/6/1999 -- 2619 579 2040 - <br /> 9/13/1999 -- 2619 557 2062 - — — -- - -- -- <br /> 1/19/2000 -- 2619 569 2050 — — -- - - -- -- -- <br /> 4/12/2000 -- 2619 534 2085 <br /> 7/22/2000 -- 2619 597 2022 -- -- — -- ~ <br /> 10/26/2000 2619 490 2129 -- - -- -- — — ~ <br /> 1/17/2001 -- 2619 610 2009 - - - -- - -- -- -- <br /> 4/12/2001 2619 586 2033 — — - -- - <br /> 5/23/2001 — 2619 593 2026 580 -- 178 439 323 165 612 — <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 1--2070 290 -- 368 185 1 126 601 109 -- <br /> 4/30/2002 -- 2619 566 2053 1,900 -- 201 ND<0 5 407 ND<1 0 1,640 -- <br /> 7/30/2002 P 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 /> 01130/2003 P 2619 577 2042 52 — <050 <0 50 <0 50 092 24 — <br /> 04/30/2003 P 2619 553 206 <50 <0 50 <050 <0 50 <0 50 76 — <br /> 07/30/2003 P 2619 611 2008 300 R - 94 <2 5 <2 5 <2 5 44 — <br /> Report Date October 13,2005 Page 8 of 28 <br />