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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 ms I) (pg/L) (Fg ) (pg/L) (pg/L) (pg/L) (pg/L) (jug/L) (mglL) Comments <br /> MW 4 4/16/1997 2590 533 2057 5,000 173 ND<5 0 775 767 131 37 <br /> 10/15/1997 2590 571 2019 510 29 ND<1 0 91 636 25 73 <br /> 3/17/1998 2590 487 21 03 890 36 ND<1 0 51 88 620 63 <br /> 1/6/1999 2590 542 2048 4,900 11 19 180 110 84 - <br /> 9/13/1999 2590 5 62 2028 2 400 42 65 89 21 330 <br /> 1/19/2000 2590 515 2075 5,200 72 ND<0 5 93 37 29 <br /> 4/12/2000 2590 5 80 2010 8,300 71 65 200 61 55 <br /> 7/22/2000 1110 167 2023 2,900 81 211 63 19 46 <br /> 10/26/2000 2590 520 2070 2,000 - 16 ND<0 5 27 24 23 <br /> 1/17/2001 25 90 5 35 2055 820 949 1 35 587 135 401 <br /> 4/12/2001 2590 535 2055 1,600 14 556 786 11 3 656 <br /> 5/23/2001 2590 551 2039 2,700 135 539 775 281 471 <br /> 7/31/2001 2590 585 2005 1,400 83 108 228 11 105 <br /> 10/30/2001 2590 605 1985 390 406 1 93 0 526 N0<1 5 25 3 <br /> 1/29/2002 2590 498 2092 720 454 292 396 ND<1 0 39 <br /> 4/30/2002 2590 522 2068 2,100 411 374 329 ND<5 0 105 <br /> 7/30/2002 P 25 90 559 2031 1,100 - 108 119 335 621 395 <br /> 10/31/2002 P 2590 5 50 2040 1,900 42 36 7 6 10 10 <br /> 01/30/2003 P 2590 531 2059 600 1 4 <0 50 27 0 86 32 <br /> 04/30/2003 P 2590 515 2075 1,200 084 J <0 50 93 36 41 <br /> 07/30/2003 P 2590 580 2010 260 <12 <1 2 <1 2 1 1 2 49 <br /> 10/29/2003 P 2590 563 2027 1,300 34 J <1 0 55 1 <1 0 79J <br /> 01/26/2004 P 2590 530 2060 770 <50 <50 <5 0 <5 0 16 <br /> 04/28/2004 P 2590 547 2043 130 <0 50 <0 50 <0 50 <0 50 84 - Water Level data from <br /> 4/27/04 <br /> 07/30/2004 P 2590 597 1993 270 053 <0 50 069 <0 50 31 <br /> 10/28/2004 P 2590 554 2036 2,000 <50 <5 0 10 <5 0 120 <br /> 01/31/2005 P 2590 502 2088 900 075 <0 50 29 0 58 35 <br /> 04/29/2005 P 2590 5 34 2056 390 080 <0 50 092 <0 50 25 <br /> 07/29/2005 P 2590 584 2006 220 072 <0 50 <0 50 <0 50 15 <br /> 10/28/2005 P 2590 563 2027 910 - 30 <0 50 1 22 0 86 38 <br /> MW-5 2/9/1987 - - -- 41,000 2,300 2,500 6,220 <br /> 9/21/1987 18,000 790 14 2,200 <br /> Report Date December 1,2005 Page 19 of 29 <br />