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Table 1 ' <br /> Groundwater Elevation and Analytical Data <br /> Former BP Retail Slte 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 MtSE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet ms]) (pgll.) (pg/L) (pglL) (pgll-) (pg/L) (pglL) (pg1L) (mg/L) Comments <br /> MW-2 07/2912005 P 2633 603 2030 <50 .- <0 50 <0 50 <0 50 <0 50 <0 50 <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 — 2521 4 73 2048 <br /> 3/23/1988 -- 2521 479 2042 <br /> 6/7/1988 -- 2521 490 2031 <br /> 10/8/1988 -- 2521 545 1976 300 000 7 000 9 700 20,000 4 000 -- — <br /> 2/15/1990 -- 2521 435 2107 -- — -- — — -- -- 0 27 ft free product <br /> present,[a] <br /> 4/26/1990 -- 2521 473 2052 - -- -- -- — — 0 05 ft free product <br /> present,[a] <br /> 7/12/1990 -- 2521 458 2064 — -- - — -- — -- -- 0 01 ft free product <br /> present,[a] <br /> 8/27/1990 -- 2521 515 2006 <br /> 11/2/1990 -- 2521 520 2001 — — _ — _ <br /> 11/5/1990 -- 2521 520 2001 35,000 - 850 560 1,900 5,600 — -- <br /> 2/25/1991 -- 2521 439 2082 9,800 -- 110 47 300 590 —6127M991 -- 2521 541 1986 36 000 -- 210 71 690 2200 -- — 0 08 ft free product <br /> present,[a] <br /> 9/25/1991 2521 615 1938 -- — - -- -- -- -- — 0 42 ft free product <br /> present,[a] <br /> 12/10/1991 2521 526 1997 — -- — -- -- -- — -- 0 03 ft free product <br /> present,[a} <br /> 3/25/1992 -- 2521 420 21 02 - — - — -- — — — 0 01 ft free product <br /> present,[a] <br /> 6/25/1992 2521 652 1915 - -- — — - - — — 0 60 ft free product <br /> present, [a] <br /> 12/8/1992 2521 503 2041 - -- — -- — -- — -- 0 30 ft free product <br /> present,[a] <br /> 3/10/1993 -- 2521 429 2092 -- -- — — -- — -- — Sheen <br /> 6/16/1993 2521 4 84 2037 — -- _ ._ _ _ — Sheen <br /> 10/22/1993 -- 2521 489 2032 — — -- — -- — -- — Trace <br /> Report Date October 13, 2005 Page 15 of 28 <br />