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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 PI Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (ug1L) (pg1L) (pg/L) WglL) (Afg/L) (lrg1L) {1rgIL) (mglL) Comments <br /> MW-1 1/6/1999 -- 26 88 652 2036 <br /> 9/13/1999 2688 587 21 01 <br /> 1/19/2000 -- 2688 622 2066 - <br /> 4l1212000 - 2688 629 2059 <br /> 7/22/2000 2688 660 2028 <br /> 10/26/2000 -- 2688 625 2063 <br /> 1/17/2001 — 2688 692 1996 <br /> 4/12/2001 -- 2688 641 2047 <br /> 5/23/2001 — 2688 661 2027 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<1 5 193 -- <br /> 7/31/2001 — 2688 668 2020 N0<50 -- ND<0 5 ND<0 5 ND<0 5 ND<1 5 273 -- <br /> 10/30/2001 2688 658 2030 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<l 5 0 536 -- <br /> 1/29/2002 — 2688 606 2082 ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<l 0 ND<0 5 — <br /> 4/30/2002 - 2688 626 2062 ND<50 — ND<0 5 ND<0 5 N0<0 5 ND<1 0 ND<0 5 — <br /> 7/30/2002 P 2688 551 2137 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<1 0 ND<0 5 — <br /> 10/31/2002 P 2688 630 2058 ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 N0<2 5 <br /> 01/30/2003 P 2688 640 2048 <50 — <0 50 <0 50 <0 50 054 <0 50 -- <br /> 04/30/2003 P 2688 614 2074 <50 <0 50 <0 50 <0 50 <0 50 <25 — <br /> 07/30/2003 P 2688 686 2002 <50 — <050 <0 50 <0 50 <0 50 <0 50 — <br /> 10/29/2003 P 2688 669 2019 <50 - <0 50 <0 50 <0 50 <0 50 <0 50 -- <br /> 01/26/2004 P 26 88 638 2050 <50 — <0 50 <0 50 <0 50 <0 50 <0 50 <br /> 04/27/2004 P 1 2688 1 658 2030 <50 •• <0 50 <050 <0 50 <050 <0 50 -- <br /> MW-2 11/20/1987 — -- -- — ND<50 — ND<0 5 ND<0 5 -- ND<0 5 — -- <br /> 3/13/1988 2633 567 2066 <br /> 3/23/1988 — 2633 563 2070 ND<50 — ND<0 5 ND<0 5 ND<0 5 -- — <br /> 6/7/1988 2633 570 2063 <br /> 10/18/1988 2633 570 2063 N0<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- <br /> 2/15/1990 2633 535 2098 50 — 43 0 8 0 7 1 6 - -- <br /> 4/26/1990 2633 550 20 83 -- - -- — .. <br /> 7/12/1990 2633 548 2085 80 - 04 1 3 0 5 15 - — <br /> 8/27/1990 2633 580 2053 -- -- — -- -- <br /> 11/211990 <br /> _11/211990 -- 2633 585 2048 <br /> 11/511990 2633 587 2046 ND<50 -- ND<0 3 ND<0 3 ND<0 3 ND<0 3 -- — <br /> 2/25/1991 2633 534 20 99 ND<50 — ND<0 3 ND<0 3 ND<0 3 1 ND<0 3 -- <br /> Report Date July 13, 2004 Page I I of 25 <br />