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i • i <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> Former SP Retail Site No 11194 <br /> 2375 Tracy Blvd, Tracy, CA <br /> TOC Depth to Water Level Ethyl- Total <br /> Well Date P! Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msi) (feet bgs) (feet msl) (pg/L) (pg1L) (pg/L) (pglL) (pglL) (pg/L) WWI-) (mg/L) Comments � <br /> MW-3 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 /> 2l1511990 - 2521 435 21 07 - _ - - -- -- -- - 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 />' <br /> 8/27/1990 - 2521 515 2006 -_ _ _ _ _ _ - present,[a] <br /> 11/211990 - 2521 520 2001 <br /> 11/5/1990 - 2521 520 2001 35,000 - 850 560 1,900 5,600 - - <br /> 2/25/1991 - 2521 4 39 2082 9,800 -- 110 47 300 590 -- <br /> 6/27/1991 -- 2521 541 1986 36,000 - 210 71 690 2,200 - - 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 2102 -- -- - - - - -- - 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 - 25 21 489 2032 - - -- - _ _ - _ ITrace <br /> 1/24/1994 - 2521 1270 1251 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 157 -- <br /> 6/7/1994 - 2521 1320 1201 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- - <br /> 9/13/1994 - 2521 1160 1361 ND<50 - 33 ND<0 5 1113<0 5 1 9 ND<5 0 -- <br /> 1/1011995 -- 2521 552 1969 240 - 9 4 12 38 - -- <br /> 3l2311995 - 2521 412 21 09 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 - 76 <br /> 10/4/1995 -- - -- - ND<50 - ND<0 50 ND<0 50 077 ND<1 0 ND<5 0 -- QC-1 <br /> 1014!1995 - -25-21 L533 1988 ND<50 j 054 ND<0 50 121 1 1 ND<5 0 4 8 <br /> Report Date June 29, 2005 Page 15 of 28 <br />