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� i • <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> Former BP Service Station No 11194 <br /> 2375 Tracy Blvd, Tracy, CA <br /> TOC Depth to Water Level Ethyl- Total <br /> Well Date P! Elevation Water Elevation TPH9 TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (yg1L) (jvg1L) MfL) WL) "/L) (ug1L) Wg/L) (mg1L) Comments <br /> AMW-5 12/8/1992 -- 2619 578 2041 56 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 — -- <br /> 3/10/1993 - 2619 556 2069 ND<50 32 06 2 51 — - <br /> 6/16/1993 -- 2619 376 2243 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- <br /> 10/22/1993 2619 593 2026 300 — ND<O 5 ND<0 5 ND<0 5 ND<0 5 840 _ <br /> 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 /> 1/10/1995 -- 2619 541 2078 ND<50 - 5 2 ND<0 5 2 - 51 <br /> 3/23/1995 2619 542 2077 ND<50 1 5 ND<0 50 079 16 — 93 <br /> 10/4/1995 - 26 19 630 19 89 210 -- 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 - 26 19 571 2048 360 — ND<2 5 ND<2 5 ND<2 5 ND<5 0 1,300 19 <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 -- 2619 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 484 2135 <br /> 10115/1997 - 26 19 604 2015 <br /> 3/17/1998 - 2619 560 2059 <br /> 1/6/1999 - 26 19 5 79 <br /> 9/13/1999 -- 2619 557 2062 <br /> 1/19/2000 2619 569 2050 <br /> 4/1212000 2619 534 2085 - <br /> 7/22/2000 2619 597 2022 <br /> 10/26/2000 — 2619 490 21 29 <br /> 1/17/2001 2619 610 2009 <br /> 4/12/2001 2619 586 2033 — — _- <br /> 5/23/2001 2619 593 2026 580 -- 1 78 4.39 1 323 165 612 <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 /> 1/2912002 2619 549 2070 290 368 1 85 1 26 601 109 <br /> 4130/2002 - 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 /> Report Date July 13,2004 �� Page 7 of 25 <br />