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• s � <br /> TABLE 1 -SUMMARY OF RESULTS OF GROUNDWATER SAMPLING <br /> BP OIL COMPANY SERVICE STATION NO 11194 _ <br /> 2375 TRACY BOULEVARD,TRACY,CALIFORNIA <br /> ALISTO PROJECT NO 10-085 <br /> WELL DATE OF CASING DEPTH TO PRODUCT GROUNDWATER TPH-G B T E X MTBE DO LAB <br /> ID SAMPLING/ ELEVATION (a) WATER THICKNESS ELEVATION (b) (ug/A) (ugA) (ugA) (ugA) (ugA) (ugA) (ppm) <br /> MONITORING (Feet) (Feet) (Feet) (Feet) <br /> MW-4 09/02/86 — --- — -- 48000 3000 3200 — 4700 — --- SUP <br /> MW-4 02/09/87 — - — -- 14000 230 160 — 880 -- --- SUP <br /> MW-4 09/21/87 — — -- -- 14000 620 83 — 1600 -- — SUP <br /> MW-4 10/20/87 — — - — 4900 50 ND<O 5 — ND<O 5 -- SUP <br /> MW-4 11/20187 — — - — 2500 240 7300 — 260 -- -- SUP <br /> MW-4 03113/88 2590 504 — 2086 --- --- -- <br /> MWA 03/23/88 2590 508 2082 76 10 16 --- 13 — --- SUP <br /> MWA 06/07/88 2590 525 — 2065 --- — _— --- _ <br /> MWA 10/18/88 2590 555 - 2035 1100 75 28 13 35 -- - SUP <br /> MWA 02/15190 2590 490 — 2100 1800 370 43 130 98 -- — SUP <br /> MW4 04/26/90 2590 505 — 20 B5 -- -- -_ -- <br /> MW-4 07/12/90 2590 516 — 2074 3100 510 41 220 320 -- — SUP <br /> MW-4 08/27/90 2590 546 — 2044 --- -- -- — — — — -_ <br /> MW-4 11/02/90 2590 551 — 2039 -- -- _— _-_ <br /> MWS 11/05/90 2590 553 — 2037 950 330 18 52 29 — — SUP <br /> MW-4 02/25/91 2590 473 — 21 17 370 120 33 22 13 — SUP <br /> MWA 06/27/91 2590 564 --- 2026 1500 130 ND<O 5 21 18 — --- CHR <br /> MW-4 09/25/91 2590 660 1930 810 70 49 12 110 — --- SEQ <br /> MWA 12/10/91 2590 543 — 2047 1300 100 14 62 110 -- -- SEQ <br /> MW-0 03/25/92 2590 489 -- 2101 1400 500 40 210 320 --- — SEQ <br /> MW-0 06/25/92 2590 711 040 1909 -- — _— <br /> MW-4 12/08192 2590 539 SHEEN 2051 <br /> MW-4 03/10/93 2590 495 SHEEN 2095 — <br /> MW-4 06/16/93 2590 547 SHEEN 2043 — <br /> MW-4 10/22/93 2590 550 SHEEN 2040 --- — _— __ _— <br /> MW-4 01/24/94 2590 554 -- 2036 6900 88 16 130 340 -- — PACE <br /> MW4 06/07/94 2590 598 — 1992 23000 210 30 720 1200 — 32 PACE <br /> MWA 09/13194 2590 642 — 1948 9000 20 15 240 550 --- 70 PACE <br /> OC-1 (d) 09/13/94 --- --- --- --- 5600 21 13 220 500 --- PACE <br /> MWA 091i 3/94 2590 483 --- 2107 5100 86 1 280 510 -- 62 All <br /> OCA (d) 01/10/95 -- --- -- --- 2300 74 1 220 380 -- -- ATI <br /> MW4 03/23195 2590 472 009 2125 -- --- --- __ <br /> MW-4 10/04/95 2590 594 014 2007 --- -- -- -- -- —_ -- — <br /> MW-4 01/04/96 2590 512 -- 2078 1700 27 25 36 58 25 08 <br /> MW-4 03/29/96 2590 497 — 2093 1300 76 ND<1 36 32 ND<10 24 SPL <br /> MW-4 07/01/96 2590 557 — 2033 11000 160 49 590 836 ND<100 40 SPL <br /> MW-4 10/15/96 2590 5 77 -- 2013 2100 39 ND<10 160 190 ND<100 47 SPL <br /> QC-1 (d) 10/15/96 — -- -- 1100 22 ND<5 0 75 85 ND<50 47 SPL <br /> MWA 04/16/97 2590 533 — 2057 5000 173 ND<5 0 775 767 131 37 SPL <br /> MWA 10/15/97 2590 571 — 2019 510 29 ND<10 91 636 25 73 SPL <br /> MWA 03117/98 2590 487 --- 2103 890 36 ND<10 51 88 620 63 SPL <br /> 17-Apr-98 Page 4 <br />