ARCHIVED REPORTS_XR0008097 CASE 1

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Table 1 Page 6 of 11 Groundwater Monitoring and Analytical Data BP Oil#11194 2375 Tracy Blvd,Tracy,Cahfoma y Wel! Date Well Depth to Product Groundwater TPHg B T E X MtBE DO Number Sampled Elevation Water Thickness Elevation (ug+l-) (P91L) (toL) (pgli.) (ug!!_) (llg+L) (ppm) (Feet) (Feet) (Feet) (Feet) W7 2/2511991 2650 630 2020 NL)<5U ND<O < < < (Confd) 6/27/1991 2650 714 --- 1936 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 9/2511991 2650 850 1800 ND<30 ND<O 30 ND<O 30 ND<O 30 ND<O 30 - 12/10/1991 26 50 698 1952 ND<30 ND<O 30 ND<O 30 ND<O 30 ND<0 30 3/2511992 26 50 6 53 --- 1997 ND<30 ND<0 30 ND<O 30 ND<O 30 ND<O 30 6125/1992 2650 813 --- 18 37 ND<30 ND<O 30 ND<O 30 ND<O 30 ND<O 30 12/8/1992 2650 689 1961 ND<50 ND<0 5 ND<O 5 ND<O 5 ND<O 5 3110/1993 2650 654 --- 1996 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 6/16/1993 2650 643 --- 2007 -' 10/22/1993 2650 697 --- 1953 — --- --- 1/24/1994 2650 683 --- 1967 — " --- 617/1994 2650 729 --- 1921 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<0 5 ND<5 0 3 4 9/13/1994 2650 753 --- 1897 -- - --- 1/10/1995 2650 6 22 --- 2028 --- - —' --- 3/23/1995 2$50 616 --- 2034 ND<50 ND<0 50 ND<0 50 ND<O 50 ND<l 0 89 10/411995 2650 731 --- 1919 — --- 1/411996 2650 685 1965 - --- 3/29/1996 2650 649 - 2001 ND<50 ND<O 5 ND<1 ND 7/1/1996 26 50 704 1946 - — 10/15/1996 26 50 727 1923 - - 4/16/1997 2650 585 2065 --- --- --- 10/15/1997 2650 727 1923 --- --- --- 3/17/1998 26 50 659 - 1991 1/6/1999 2650 6 98 1952 --- --- --- 1/19/2000 2650 680 1970 4/12/2000 2650 693 1957 - 7/22/2000 2650 699 1951 10/26/2000 2650 694 1956 1,300 ND<O 5 ND<O 5 ND<O 5 ND<O 5 B600 --- 1/17/2001 2650 -- --- -- 4/12/2001 2650 695 1955 - - -- 5/2312001 2650 694 --- 1956 320 ND<O 5 ND<O 5 ND<O 5 ND<l S 426 — 7/31/2001 26 50 723 1927 680 ND<O 5 ND<O 5 ND<O 5 ND<1 5 959 10/30/2001 2650 716 1934 200 ND<O 5 ND<O 5 ND<0 5 ND<1 5 227 1/29/2002 2650 663 --- 1987 140 ND<O 5 ND<O 5 ND<O 5 ND<l 0 171 4/30/2002 2650 687 --- 1963 ND<50 ND<O 5 ND<0 5 ND<O 5 ND<1 0 ND<O 5 7/30/2002 P 2650 713 --- 1937 59 ND<O 5 ND<O 5 ND<O 5 ND<l 0 754 - 10/31/2002 P 2650 700 --- 1950 86 ND<O 5 ND<O 5 ND<O 5 ND<O 5 210 1/30/2003 P 2650 706 -- 1944 <500 ND<5 0 ND<5 0 ND<5 0 ND<5 0 310 — 4/30/2003 P 265 673 --- 19 77 <50 <O 5 <0 5 <0 5 <06 53 --- 10/20/1987 --- - 3,800 20 5 --- 210 11/20/1987 -- 140 ND<O 5 ND<O 5 --- 16 3/13/1988 2566 608 19S8 -- --- -- 3l2311988 2566 600 --- 1966 150,000 280 210 --- 3000 U711988 2566 620 1946 -- --- --- --- 10/18/1988 2566 653 --- 1913 3,400 28 ND<O 5 ND<O 5 630 2/15/1990 2566 655 1911 ND<50 ND<O 3 ND<O 3 ND<O 3 ND<O 3 — 4/26/1990 2566 593 — 1973 -- --- --- --- - 7/12/1990 2566 5 98 1968 1,100 27 13 360 1000 — 8/27/1990 2566 627 - 1939 -- -- --- -- -- 11/2/1990 2566 635 1931 - --- -- 11150990 2566 6 38 1928 2,200 23 7 130 340 --- 2/25/1991 2566 553 2013 8 100 20 21 150 240 --- 6/27/1991 2566 638 1928 3,100 73 ND<O 5 140 330 --- - 9/25/1991 2566 681 1885 6 300 13 41 190 250 - 12/10/1991 2566 625 --- 1941 3 600 75 2 4 90 120 3r25/1992 2566 576 --- 1990 1,400 19 6 6 140 230 6/25/1992 2566 706 --- 1860 120 ND<O 3 0 51 ND<O 3 0 50 --- --- 12/8/1992 2566 614 --- 1952 75 ND<O 5 ND<O 5 is 52 QC-1 12/8/1992 -- --- --- -- 51 ND<O 5 ND<O 5 09 34 - 3/10/1993 25 66 567 --- 1999 ND<50 14 ND<O 5 0 7 22 QC-1 3/10/1993 -- -- - ND<50 16 ND<O 5 ND<O 5 is 6/16/1993 2566 Sol 1975 --- 10/22/1993 25 65 629 --- 1937 --- --- 1/24/1994 2566 594 --- 1972 --- --- - -- 6/7/1994 2566 639 --- 1927 ND<50 ND<O 5 ND<0 5 ND<0 5 ND<0 5 91 3 4 QC-1 6/7/1994 -- -- -- ND<50 ND<O 5 ND<O 5 ND<0 5 ND<0 5 955 - 9/13/1994 2566 6 78 1888 1/10/1995 2566 - - "' -- 3/23/1995 2566 -- K 1WprocesslJS BP ARC01111941Quarterlyl2 QTR 03/11194 G W MR 2QO3