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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) (/rg/L) UM/L) (Erg/L) 019/L) (pg/L) (p41-) (Erg/L) (mg/L) Comments <br /> MW-2 9/13/1994 2633 636 1997 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 81 <br /> 1/10/1995 2633 554 2079 100 6 2 ND<0 5 12 5 2 <br /> 3/23/1995 2633 563 2070 ND<50 053 ND<0 50 051 19 89 <br /> 10/4/1995 2633 637 1996 210 ND<1 0 ND<1 0 ND<1 0 ND<2 0 840 71 <br /> 1/4/1996 - 2633 590 2043 3,900 ND<25 ND<25 ND<25 ND<50 12,000 3 <br /> 3/29/1996 -- - - 11,000 37 9 4 5 13,000 QC 1 <br /> 3/29/1996 2633 659 1974 9,200 34 9 3 4 12,000 3 6 <br /> 7/1/1996 2633 716 1917 5,200 58 33 ND<1 ND<l 10,000 31 <br /> 10/15/1996 - 2633 734 1899 ND<250 ND<2 5 ND<5 0 ND<5 0 ND<5 0 14,000 4 <br /> 4/16/1997 2633 598 2035 180 ND<0 5 ND<1 0 ND<1 0 ND<1 0 57 42 <br /> 10/15/1997 - -- -- ND<50 N0<0 5 ND<l 0 ND<1 0 ND<1 0 120 -- QC-1 <br /> 10/15/1997 26 33 608 2025 ND<50 ND<0 5 1\10<1 0 ND<1 0 ND<1 0 120 5 4 <br /> 3/17/1998 2633 557 2076 170 ND<0 5 ND<1 0 ND<1 0 ND<1 0 180 61 <br /> 1/611999 2633 - - -- - - - - <br /> 9/13/1999 2633 561 2072 480 35 73 ND<5 0 ND<5 0 99,000191,000 - <br /> 1/19/2000 2633 561 2072 800 11 ND<0 5 ND<0 5 1 2 84,000 <br /> 4/12/2000 2633 613 2020 1,600 42 ND<0 5 N0<0 5 ND<0 5 11,000 - <br /> 7/22/2000 2633 598 2035 3,800 63 086 063 72 90,000 <br /> 10/26/2000 2633 501 21 32 1,100 09 ND<0 5 ND<0 5 0 69 3 400 <br /> 1/17/2001 2633 1 514 2119 18,000 109 ND<5 0 ND<5 0 ND<5 0 28,200 <br /> 4112!2001 2633 581 2052 700 ND<0 5 ND<0 5 ND<0 5 ND<1 5 946 <br /> 5/23/2001 2633 581 2052 1,100 0 594 ND<0 5 ND<0 5 ND<1 5 1,330 <br /> 7/31/2001 2633 606 2027 1,600 203 ND<5 0 ND<5 0 ND<15 1,490 <br /> 10/30/2001 2633 612 2021 420 113 575 462 232 363 <br /> 1/29/2002 2633 557 2076 610 866 ND<0 5 ND<0 5 ND<1 0 780 - <br /> 4/30/2002 2633 568 2065 2,600 394 ND<0 5 506 811 2,140 <br /> 7/30/2002 i P 2633 491 21 42 ND<500 ND<0 5 ND<0 5 ND<0 5 ND<l 0 586 <br /> 10/31120021 P 2633 576 2057 ND<50 27 1 3 ND<0 5 ND<0 5 13 <br /> 01/30/2003 P 2633 576 2057 150 096 <0 50 <0 50 <0 50 79 <br /> 04/30/2003 P 2633 562 2071 67 -- 88 <0 50 <0 50 <0 50 290 <br /> 07/30/2003 P 2633 564 2069 480 62 13 27 15 65 <br /> 10/29/2003 P 26 33 603 2030 <50 <0 50 <0 50 <050 <0 50 055 <br /> 01/26/2004 P 2633 584 2049 <50 <0 50 <0 50 <0 50 1 <0 50 91 <br /> Report Date December t,2005 Page 14 of 29 1 <br />