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TA91 • <br /> Groundwater Monitoring Data and Analytical Results <br /> Chevron Service Station#19-4275 <br /> 2905 West Benjamin Halt Drive <br /> Vertical Measurements are in feet. Stockton,California Analytical results are in parts per billion(ppb) <br /> 'Well Ground d t <br /> 1p►AITR N004 Iftor TO NOW '1`PH. Benzene Toluene 900- xylem Mug <br /> toy. lam. water Gasoline Benzene <br /> MW-5(Cont) <br /> 01/17/91 379 -1619 1998 4,900 26 51 140 830 -- <br /> 03/19/91 379 -» -- -- 6,800 18 24 21 790 -- <br /> 07/18/91 379 -1593 1972 -- 7,600 60 65 190 800 -- <br /> 10/31191 379 -1641 2020 -- 2,600 44 24 64 310 - <br /> 01/16/92 379 -1581 1960 5,400 120 72 250 1,000 -- <br /> 01/16/92 379 -- -- Duplicate 4,700 110 63 230 960 -- <br /> 03/11/92 379 -1485 1864 -- -- -- -- -- <br /> 03/17/92 379 .1474 1853 -- 1,100 37 13 52 170 -- <br /> 06/29/92 379 -1639 2018 -- 850 18 90 25 200 -- <br /> 12/10/92 379 -1699 2078 -- 1,200 49 16 64 200 -- <br /> 02/04/93 379 -1523 1902 -- 1,200 31 12 58 250 -- <br /> 05/18/93 379 -1295 1674 -- 2,000 58 10 170 190 -- <br /> 08/05/93 379 -1376 1755 -- 750 32 46 50 100 -- <br /> 11/09/93 379 -1449 1828 -- 1,400 29 38 46 190 -- <br /> 01/18/94 379 -1398 1777 -- 1,200 31 48 75 180 -- <br /> 06/27/94 379 -1340 1719 -- 150 62 ND 06 19 -- <br /> Oi/18194 379 -1468 1847 -- 1,400 29 30 40 160 -- <br /> 01/18/94 379 .1437 1816 -- 1,000 19 37 28 130 -- <br /> 03/08/95 379 -1233 1612 -- 750 22 07 30 60 -- <br /> 06/01/95 379 -1068 1447 -- 3,600 110 13 240 390 <br /> 09111/95 379 .1240 1619 -- 890 40 38 76 140 -- <br /> 12/05/95 379 -1301 1680 -- 410 67 <0 5 11 43 -- <br /> 03/18/96 379 -951 1330 740 t0 <0 5 38 66 -- <br /> 06118196 379 -917 1296 -- 7,200 86 67 770 540 15 <br /> 09/24/96 379 -1100 1479 -- 12,000 74 50 760 1,100 59 <br /> 12/04196 379 -1083 1462 -- 1,100 83 10 93 63 <5 0 <br /> 02/25/97 379 -663 1042 -- 24,000 570 1,400 1,500 5,300 <50 <br /> 05/06/97 379 -746 1125 -- 38,000 580 790 3,000 12,000 <120 <br /> 9.4275 xls/#386845 9 Ac of 1')11dlfNl <br />