ARCHIVED REPORTS_XR0008671 CASE 1

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0 0 • TABLE 1 -SUMMARY OF RESULTS OF GROUNDWATER MONITORING WELL DATE OF CASING DEPTH TO PRODUCT GROUNDWATER TPH-G B T E X MTBE DO LAB ID SAMPLING/ ELEVATION (a) WATER THICKNESS ELEVATION (b) (ug1A) (ugA) (ugA) (ugA) (ugA) (ugA) (ppm) MONITORING (Feet) (Feet) (Feet) (Feet) MW-1 02/09/87 --- --- ND<50 ND<05 ND<O5 -- ND<O5 --- --- SUP MW-1 09/21/87 - --- --- ND<50 ND<05 ND<O 5 --- ND<O 5 --- --- SUP MW-1 10/20/87 --- --- --- ND<50 ND<05 ND<O 5 -- ND<O 5 --- --- SUP MW-1 11/20/87 --- --- --- ND<50 ND<05 ND<O5 --- ND<05 --- --- SUP MW-1 03/13/88 2688 588 - 21 DO --- --- --- --- --- --- MW-1 03/23/88 2688 588 -- 2100 ND<50 ND<0 5 NM 5 --- ND<O 5 --- --- SUP MW-1 06/07/88 2688 595 --- 2093 --- --- --- --- ___ _ MW-1 10/18/88 2688 625 --- 2063 ND<50 ND<O 5 ND<O 5 ND<0 5 ND<O 5 -- SUP MW-1 02/15/90 2688 595 2093 ND<50 ND<03 ND<03 ND<O3 ND<O3 --- - SUP MWA 04/26/90 2688 608 --- 2080 --- --- --- --- --- --- mW-1 -MW-1 07/12/90 2688 611 --- 20 77 ND<50 ND<O 3 ND<O 3 ND<0 3 ND<O 3 --- SUP MW-1 08/27/90 26 BB 545 --- 2143 --- --- MW-1 11/02/90 2688 651 --- 2037 --- --- --_ ___ __ ___ ___ MW-1 11/05/90 2688 653 --- 2035 ND<50 ND<0 3 ND<O 3 ND<0 3 ND<O 3 --- SUP MW-1 02/25/91 2688 575 --- 2113 ND<50 ND<0 3 ND<O 3 ND<0 3 ND<O 3 - SUP MW-1 06/27/91 2688 666 -- 2D 22 ND<50 N0<05 ND<O 5 ND<O 5 ND<O 5 --- --- CHR MW-1 09/25/91 2688 704 --- 1984 N040 ND<O 30 ND<O 30 ND<O 30 ND<O 30 - SEQ MW-1 12/10191 2688 646 --- 2042 ND40 ND<0 30 ND<O 30 ND<0 30 ND<0 30 - -- SEQ MW-1 03/25/92 2688 595 --- 2093 ND40 ND<O 30 ND<O 30 ND<O 30 ND<0 30 - -- SEQ MW-1 06/25/92 2688 802 --- 1886 ND<30 ND<O 30 ND<O 30 NM 30 ND<O 30 --- -- SEQ MW-1 12/08/92 2688 644 --- 20 44 ND<50 ND<05 ND<O 5 ND<O 5 ND<0 5 - --- ANA MW-1 03/10/93 2688 601 --- 2087 ND<50 ND<05 ND<O5 ND<05 ND<O5 - --- PACE MW-1 06/16/93 2688 567 --- 2121 - --- --- -- ___ ___ MW-1 10/22/93 2688 649 --- 20 39 --- --- --- --- -_ MW-1 01/24/94 2688 638 --- 2D 50 --- --- ___ ___ ___ ___ MW-1 06/07/94 2688 684 --- 2004 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<0 5 34 PACE MW-1 09/13/94 2688 713 - 1975 --- --- --- ___ --_ ___ _ MW-1 01/10/95 2688 593 2095 --- --- --- --- --- --- --- MW-1 03/23/95 2688 568 - 2120 ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 --- 97 ATI MW-1 10/04/95 2688 696 - 1992 --- --- --- -- --- --- --- mw-1 01/04/96 2688 624 - 2064 --- - --- --- --- --- MW-1 03/29/96 2688 605 --- 2083 ND<50 ND<O 5 ND<1 ND<1 ND<1 ND<10 38 SPL MW-1 07/01/96 2688 661 --- 2027 --- -- --- --- - --- --- -. MW-1 10/15/96 2688 680 --- 2008 --- MW-1 04/16/97 2688 540 -- 2148 --- _ _ — ___ --- - MW-1 10/15/97 2688 675 --- 2013 --- --- MW-1 03/17/98 2688 634 --- 2054 --- --- --- --- --- --- --- MW-1 01/06/99 2688 652 --- 2036 MW-1 09/13/99 2688 587 --- 2101 - --- --- M Blaine Tech Services,Inc,Report,990913-F-1,BP Oil 11194 at 2375 Tracy Blvd,Tracy,California Page 1