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i i • - <br /> TABLE 1 -SUMMARY OF RESULTS OF GROUNDWATER MONITORING <br /> WELL DATE OF CASING DEPTH TO PRODUCT GROUNDWATER TPN-G S T E X MTBE DO LAB <br /> 1D SAMPLING/ ELEVATION (a) WATER THICKNESS ELEVATION (b) (uglll) (ugll) (ug/1) (ug/1) (ug") (ug/1) (ppm) <br /> MONITORING (Feet) (Feet) (Feet) (Feet) <br /> MW-7 02109/87 --- -- -- --- 6300 420 92 - 1200 --- --- SUP <br /> MW-7 09/21/87 --- -- --- --- ND<50 ND<0 5 ND<0 5 - ND<0 5 --- -- SUP <br /> MW-7 10120/8765 ND<0 5 ND<0 5 ^= 007 SUP <br /> — <br /> MW-7 11/20/87 _ — ND<50 ND<0 5 ND<0 5 ND<O 5 --- - SUP <br /> MW-7 03/13/88 2650 675 -- 1975 --- --- - --- ___ _-- --- <br /> MW-7 03/23188 2650 696 --- 1954 57 59 ND<0 5 — 1 -- -- SUP <br /> MW-7 06/07/88 2650 675 --- 1975 --- -- — -- ___ <br /> MW-7 10/18188 2650 7 10 --- 1940 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- - SUP <br /> MW-7 02/15/90 2650 580 2070 3400 94 73 70 170 -- --- SUP <br /> MW-7 04/26/90 2650 663 — 1987 -- --- --- --- --- <br /> MW-7 07/12/90 2650 666 --- 1984 ND<50 ND<0 3 ND<0 3 ND<0 3 ND<0 3 --- SUP <br /> MW-7 08/27/90 2650 686 --- 1964 -- -- --- -- __ _ <br /> MW-7 11/02/90 2650 703 --- 1947 — --- --- --- — -- -__ --- <br /> MW-7 11/05/90 2650 704 -- 1946 ND<50 ND<0 3 ND<0 3 ND<0 3 ND<0 3 -- --- SUP <br /> MW-7 02/25/91 2650 630 — 2020 ND<50 ND<0 3 ND<0 3 ND<0 3 ND<0 3 -- --- SUP <br /> MW-7 06/27/91 2650 7 14 -- 1936 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- --- CHR <br /> MW-7 09125/91 2650 850 -- 1800 ND<30 ND<0 30 ND<0 30 ND<0 30 ND<0 30 -- --- SEQ <br /> MW-7 12110/91 2650 698 --- 1952 ND<30 ND<0 30 ND<0 30 ND<0 30 ND<0 30 --- -- SEQ <br /> MW-7 03/25/92 2650 653 --- 1997 ND<30 ND<0 30 ND<0 30 ND<0 30 ND<0 30 --- SEQ <br /> MW-7 06/25/92 2650 813 — 1837 ND<30 ND<0 30 ND<0 30 ND<0 30 ND<0 30 --- -- SEQ <br /> MW-7 12/08192 2650 689 --- 1961 ND<50 ND<O 5 ND<0 5 ND<O 5 ND<0 5 --- -- ANA <br /> MW-7 03/10/93 2650 654 --- 1996 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 --- PACE <br /> MW-7 06/16/93 2650 643 --- 2007 -- -- -- — __ --- <br /> MW-7 10/22193 2650 697 --- 1953 --- --- --- <br /> MW-7 01/24/94 2650 683 --- 1967 -- --- -- __- —_ __ —_ <br /> MW-7 06/07/94 2650 729 --- 1921 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 --- 34 PACE <br /> MW-7 09/13/94 2650 753 --- 1897 - --- --- - --- --_ ___ --- <br /> MW-7 01110/95 2650 622 -- 2028 - - -- — - --- _-_ --- <br /> MW-7 03/23/95 2650 616 --- 2034 ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 89 ATI <br /> MW-7 10/04/95 2650 731 1919 - -- --- -- -- --- --- <br /> MW-7 01/04/96 2650 685 1965 --- -- --- --- -- -- --- <br /> MW-7 03/29/96 2650 649 --- 2001 ND<50 ND<0 5 ND<1 ND<1 ND<1 ND<10 39 SPL <br /> MW-7 07101/96 2650 704 --- 1946 -- --- --- -- -_ --- --- <br /> MW-7 10115/96 2650 727 1923 -- --- -- - -- -- --- <br /> MW-7 04/16/97 2650 585 --- 2065 -- --- --- --- - — <br /> MW-7 10/15/97 2650 727 -- 1923 - --- --- --- --- <br /> MW-7 03/17/98 2650 659 --- 1991 <br /> MW-7 01/06/99 2650 698 --- 1952 --- - -- -- _ <br /> MW-7 01/19/00 2650 680 --- 1970 --- - --- --- — -- --- --- <br /> Blaine Tech Services Inc Report 010117-X-2 BP Oil 11194 at 2375 Tracy Blvd,Tracy,California Page 13 <br />