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TABLE 1-SUMMARY OF RESULTS OF GROUNDWATER SAMPLING <br /> BP OIL COMPANY SERVICE STATION NO 11194 <br /> 2375 TRACY BOULEVARD,TRACY,CALIFORNIA <br /> AUSTO 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) (ug/1) (UgA) (UgA) (ugA) (UgA) (ppm) <br /> MONITORING (Feet) (Feet) (Feet) (Feet) <br /> I <br /> MW-5 02/09/87 -- - - _- 41000 2300 2500 - 6220 - SUP <br /> MW-5 09/21/87 — — -_ __ 18000 790 14 - 2200 -- — SUP <br /> MW-5 10/20/87 — - -- -- 34000 50 ND<0 5 — 1200 — — SUP <br /> MW-5 1120/87 -- — - -- 8700 210 6600 — 230 — — SUP <br /> MW-5 03/13/88 2545 473 - 2072 -- -- __- <br /> MW-5 03/23/88 2545 479 — 2066 6200 420 5 - 600 -- — SUP <br /> MW-5 06/07/88 2545 485 - 2060 -- — _- — <br /> MW-5 10/18/88 2545 545 - 2000 1300 34 09 1 170 — SUP <br /> MW-5 02/15% 2545 445 2100 1900 220 21 330 250 — — SUP <br /> MW-5 04/26/90 2545 465 – 2080 --- -- _– __ <br /> MW-5 07/12/90 2545 472 – 2073 4400 140 94 130 300 --- SUP <br /> MW 5 06/27/90 2545 515 -- 2030 __ _ <br /> --- <br /> MW-5 11/02/90 2545 520 — 2025 --- __ <br /> MW 5 11/05190 2545 521 - 2024 7500 430 55 760 1600 -- - SUP <br /> MW 5 02/25/91 2545 429 - 2116 2400 160 59 120 96 -- — SUP <br /> MW 5 06/27/91 2545 534 -- 2011 ND<50 67 ND<0 5 ND<0 5 ND<0 5 - - CHR <br /> MW-5 09/25/91 2545 574 — 1971 1800 120 39 79 94 -- -- SEQ <br /> MW-5 12/10/91 2545 510 — 2035 720 46 34 38 58 --- -- SEQ <br /> MW 5 03/25192 2545 432 - 2113 550 75 033 40 32 --- <br /> MW 5 06125/92 2545 --- _ __ -- --- - <br /> MW-5 (e) 12/08/92 2545 1162 — 1383 <br /> MW-5 03/10/93 2545 1211 1334 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 --- — PACE <br /> MW-5 06/16/93 2545 1013 - 1532 73 22 21 39 57 --- PACE <br /> MW-5 10/22/93 2545 499 – 2046 ND<50 ND<0 5 ND<0 5 N0<05 ND<0 5 --- PACE <br /> MW-5 0124194 2545 891 -- 1654 120 11 06 26 26 — PACE <br /> MW 5 06/07/94 2545 638 - 1907 ND<50 ND<O 5 ND<0 5 ND<0 5 ND<0 5 -- -- PACE <br /> MW 5 09/13/34 2545 599 1946 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- PACE <br /> MW-5 01/10/95 2545 435 - 2110 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<1 -- --- An <br /> MW-5 0323195 2545 419 — 2126 910 23 30 68 65 --- 79 ATI <br /> QC" (d) 03/23/95 — 620 (Q 20 25 55 53 -- — ATI <br /> MW-5 10/04/95 2545 541 - 2004 ND<50 22 ND<0 50 069 ND<i 0 78 69 ATI <br /> MW-5 01/04/96 2545 462 --- 2083 130 46 11 45 37 87 26 An <br /> MW-5 03129/96 2545 445 -- 2100 490 27 ND<i 20 12 13 27 SPL <br /> MW 5 07/01/96 2545 501 - 2044 580 35 5 30 13 11 37 SPL <br /> MW-5 10/15/96 2545 523 — 2022 380 39 12 86 124 34 55 SPL <br /> MW-5 04/16/97 2545 390 - 2155 --- -- -- -_ — <br /> MW-5 10/15/97 2545 508 --- 2037 — <br /> MW-5 03/17/98 2545 470 -- 2075 --- --- <br /> 17-Apr-98 <br /> - - Page 5 <br />