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! 0 ! <br /> Table 1 <br /> Groundwater Elevation Analytical Data(CHEVRON) <br /> Chevron Service Station R9-4275 <br /> 29M Benjamin Holt Dnve <br /> Stockton California <br /> Well Groundwater Depth Ethyl- Xylenes <br /> well Date Elevation Elevation to Water TPHg Benzene Toluene benzene (total) MtBE <br /> ID Sampled (ft,MSL) (ft MSL) (ft TOC) NO NA NO) (u9R) (u91) (U94) <br /> MW 1 03/22/89 224 1405 1629 30 000 3 600 1 300 1 100 2 700 <br /> 06112/89 1467 1691 20 000 4 400 1 600 2 900 5 900 <br /> 09/07/89 1614 1838 20 000 4 100 480 920 1 500 <br /> 1?118189 1536 1760 17 000 4200 200 17 1200 <br /> 0320/90 1498 1722 13 000 6 400 580 2 200 1200 <br /> 07!03!90 1580 18 04 17 000 4 800 410 1 300 1200 <br /> 10/19/90 1710 19 34 16 000 4 800 290 1 700 700 <br /> 10!19190 (0) 17000 5600 270 1700 660 <br /> 01/17/91 1680 19 04 10 000 3100 38 950 170 <br /> 01/17/91 (D) 9 800 3200 39 980 170 — <br /> 03r19/91 16 000 2 900 45 960 290 <br /> 07/18/91 1696 1920 12 000 3 300 90 1 100 250 <br /> 07!18!91 (D) 12 000 3 300 90 1 100 250 <br /> 10/31/91 17 38 1962 9 800 2 600 18 720 180 <br /> 01/16/92 16 58 ie 82 12 000 3 600 54 960 370 — <br /> 03/11/92 15 38 1762 <br /> 03/17192 15 36 1760 9 800 3 600 150 700 360 <br /> 06129/92 1698 1922 7 700 3 000 33 600 230 <br /> 12!10!92 1752 1976 4 900 1 300 26 220 130 <br /> 02104/93 1042 1266 15 000 3 100 70 920 540 <br /> 05!18193 13 62 1586 8 800 1 900 120 730 840 <br /> 08!05193 1450 1674 29 000 9 400 1 800 2 900 4 900 <br /> 11/09/93 1500 1724 13 000 3 600 110 810 870 <br /> 01/18/94 1474 1698 24 000 5 600 100 1900 2 300 <br /> 0627194 1401 1625 8 400 2 300 59 520 700 <br /> 09/29/94 15 20 1744 9 600 2 100 25 530 590 <br /> 12/08/94 1478 1702 5 700 1 300 19 290 260 <br /> 039)8195 1262 1476 4 600 1 100 <25 230 280 <br /> 06101/95 1099 1323 27 000 4 100 300 1 800 4 000 <br /> 09M 1195 1293 1517 12 OQO 2 400 140 790 1,900 <br /> 12/05/95 1346 1570 880,0 2 500 32 450 710 <br /> 03116/96 921 11 45 5 000 670 30 180 490 <br /> 06118/96 936 1160 30 000 2 300 260 2200 7 000 84 <br /> 09/24/96 1121 1345 30 000 2000 46 1 800 3 700 67 <br /> 12104196 1076 13 00 7 700 SOO 11 510 570 67 <br /> 02/25/97 650 874 27 000 1 600 520 1 800 6 300 52 <br /> OW06/97 8 01 10 25 500 39 24 26 140 9 0 <br /> 09/29/97 1018 1242 1200 4 0 13 13 24 430 <br /> 11125/97 1021 12 45_- 1100 65 <50 33 18 67 <br /> 03/26/98 387 611 380 1 1 <0 5 61 39 91 <br /> 06124/98 573 797 2 900 <5 0 <5 0 51 200 26 <br /> 09/10/98 759 983 950 4 8 11 23 42 320 <br /> 11 <br /> I SChevrok942754Penodtc Mon1toanglQMR194275-NF As 1 of 13 <br />