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tie 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 /> FlIumber Sampled NP (feet msl) (feet bgs) (feet msl) (pg/L) (Erg/L) 4,g/L) (pg/L) (pg/L) (pg/L) (pg/L) (mg/L) Comments <br /> MW-8 11/20/1987 -- -- - 140 NNO 5 ND<O 5 16 <br /> 3/13/1988 2566 608 1968 -- - -- <br /> 3/23/1988 2566 600 1966 150,000 280 210 3 000 <br /> 6/7/1988 2566 620 1946 - - - <br /> 10/18/1988 2566 653 1913 3,400 28 ND<0 5 ND<0 5 630 - <br /> 2/15/1990 2566 6 55 1911 ND<50 ND<O 3 NNO 3 ND<O 3 ND<0 3 <br /> 4/26/1990 2566 5 93 1973 - - <br /> 7/12/1990 2566 598 1968 1,100 27 13 360 1 000 <br /> 8/27/1990 2566 627 1939 -- - -- - <br /> 11/2/1990 2566 635 1931 -- -- -- <br /> 11/5/1990 - 2566 638 1928 2,200 23 7 130 340 <br /> 2/25/1991 2566 553 2013 8,100 - 20 21 150 240 <br /> 6/27/1991 2566 638 1928 3,100 73 ND<O 5 140 330 <br /> 9/25/1991 2566 681 1885 6,300 13 41 190 250 <br /> 12/f 0/1991 2566 625 1941 3,600 75 24 90 120 <br /> 3/25/1992 - 2566 576 1990 1,400 19 66 140 230 <br /> 6/25/1992 2566 706 1860 120 1\10<0 3 051 NNO 3 0 5 <br /> 12/8/1992 - - -- 51 -- ND<O 5 ND<O 5 09 34 QC 1 <br /> 12/8/1992 2566 614 1952 75 ND<0 5 ND<O 5 1 5 52 <br /> 3/10/1993 -- -- ND<50 16 NNO 5 ND<O 5 1 5 QC-1 <br /> 3/10/1993 2566 5 67 1999 ND<50 14 ND<0 5 0 7 22 <br /> 6/16/1993 2566 5 91 1975 -- <br /> 10/22/1993 2566 629 1937 <br /> 1/24/1994 2566 594 1972 - - <br /> 6,7/1994 - -- - -- ND<50 NNO 5 NNO 5 NNO 5 ND<0 5 955 -- QC 1 <br /> 6!711994 2566 639 1927 ND<50 NNO 5 ND<O 5 ND<O 5 ND<0 5 91 34 <br /> 9/13/1994 2566 678 1888 - -- <br /> 1/10/1995 2566 - -- <br /> 3/23/1995 - 2566 <br /> 1/4/1996 2566 - -- - - -- <br /> 3/29/1996 2566 573 1993 550 24 ND<1 59 ND<1 13 34 <br /> 7/1/1996 -- 2566 629 1937 - - - -- <br /> 10/15/1996 2566 650 1916 -- -- <br /> Report Date December 1,2005 � �� Page 26 o129 <br />