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TABLE 1 -SUMMARY OF RESULTS OF GROUNDWATER MONITORING <br /> WELL DATE OF CASING DEPTH TO PRODUCT GROUNDWATER TPH-G B T E X MTBE ❑O LAB <br /> ID SAMPLING/ ELEVATION (a) WATER THICKNESS ELEVATION (b) (ug/11) (ug/1) (ug11) (ug/1) (ug/1) (U911) (ppm) <br /> MONITORING (Feet) (Feet) (Feet) (Feet) <br /> i <br /> MW-7 02/09/87 -- -- --- — 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 10/20/87 — -- --- — 65 ND<0 5 N❑<0 5 — 007 — — SUP <br /> MW-7 11t20187 — --- -- — ND<50 ND<0 5 ND<0 5 — ND<0 5 — — SUP <br /> MW-7 03/13/88 2650 675 — 1975 — --- — — -- — --- _-- <br /> MW-7 03/23/88 2650 696 — 1954 57 59 N0<0 5 — 1 — — SUP <br /> MW-7 06/07/88 2650 675 -- 1975 — — — -- — -- — — <br /> MW-7 10/18/88 2650 710 — 1940 ND<50 ND<0 5 ND-<0 5 ND<0 5 ND-<0 5 -- — SUP <br /> MW-7 02115/90 2650 580 — 2070 3400 94 73 70 170 — — SUP <br /> MW-7 04126/90 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 11105/90 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 714 -- 1936 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 — — CHR <br /> MW-7 09/25/99 2650 850 — 1800 ND<30 ND<0 30 ND<0 30 ND<0 30 N❑<0 30 --- --- SEQ <br /> MW-7 12/10/91 2650 698 --- 1952 ND<30 ND<0 30 ND<0 30 ND<0 30 ND<0 30 — -- SEQ <br /> MW-7 03125/92 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 12/08/92 2650 689 --- 1961 ND<50 ND<0 5 ND<0 5 ND<0 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 /> MVV-7 10122/93 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 01/10/95 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 03/29196 2650 649 — 2001 ND<50 ND<0 5 ND<1 ND<1 ND<1 ND<10 39 SPL <br /> MW-7 07/01/96 2650 704 — 1946 — --- — — — — — — <br /> MW-7 10/15196 2650 727 --- 1923 — -- — -- --- — — — <br /> MW-7 04/16/97 2650 585 — 2065 — — --- - — — — — <br /> MW-7 10/15197 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,001026-5-2 BP Oil 11194 at 2375 Tracy Blvd,Tracy,California Page 13 <br />