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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) (frg/L) (pg/L) W/L) WIL) (pg/L) (pgll-) (pg/L) (mg/L) Comments <br /> MW-2 9/13/1999 — 2633 561 2072 480 — 35 73 ND<5 0 ND<5 0 99,000/91,000 — <br /> 1/19/2000 — 2633 561 2072 800 — 11 ND<0 5 ND<0 5 12 84,000 — <br /> 4/12/2000 - 2633 613 2020 1,600 — 42 ND<0 5 ND<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 514 21 19 18,000 -- 109 ND<5 0 ND<5 0 ND<5 0 28,200 — <br /> 4/12/2001 -- 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 1 ND<0 5 ND<1 5 1,330 -- <br /> 7/31/2001 2633 606 1 2027 1,600 — 203 ND<5 0 ND<5 0 ND<15 1,490 -- <br /> 10/30/2001 -- 2633 612 2021 420 -- 113 575 4 62 232 363 <br /> 1/29/2002 — 2633 557 2076 610 -- 865 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 P 2633 491 2142 ND<500 -- ND<0 5 ND<0 5 ND<0 5 ND<1 0 586 - <br /> 10/31/2002 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 -- 8 8 <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 2633 603 2030 <50 -- <0 50 <0 50 <0 50 <0 50 055 <br /> 01/2612004 P 2633 5 84 2049 <50 -- <0 50 <0 50 <0 50 <0 50 91 — <br /> 04/28/2004 P 2633 584 2049 <50 - <0 50 <0 50 <0 50 <0 50 <0 50 -- Water Level data from <br /> 4/27104 <br /> 07/30/2004 P 2633 609 2024 130 — 54 <0 50 <0 50 <0 50 <0 50 -- <br /> 10/28/2004 - 2633 534 2099 — - -- — -- -- — -- Sampled Annually 3rd <br /> Quarter <br /> 01/31/2005 -- 2633 501 2132 — -- _ _ _ _ _ Sampled Annually 3rd <br /> �Quarter <br /> 04/2912005 — 26 33 5 73 <br /> 060 -- l' ft -- -- -- -- — -- Sampled Annually 3rd <br /> Quarter <br /> MW-3 9/2/1986 — - -- — 320,000 — 5,000 2,000 — 1,000 -- -- <br /> 2/9/1987 -- — -- _ _ _ _ _ <br /> 9/21/1987 <br /> 10/20/1987 <br /> 11/20/1987 -- — -- -. <br /> 3/13/1988 — 25 21 4 73 2048 <br /> Report Date June 21,2005 Page 14 of 28 <br />