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<br /> TABLE 3
<br /> HISTORICAL ANALYTICAL RESULTS OF GROUND WATER SAMPLES
<br />' EPA METHODS 8015M, 8020, 8021B
<br /> Former Chase Chevrolet (Van Buren) Facility
<br /> 424 North Van Buren Street, Stockton, California
<br /> (lig/1)
<br />' Sample Sample Depth to TPH as Ethyl xylene
<br /> Date Water Gasoline, Benzene Toluene benzeneXylene
<br /> {Screen)
<br />' MW-7 01-10-91 2681 3,000 NA 280 270 50 470
<br /> (209-45) 02-27-92 2808 21,000 NA 730 450 360 880
<br /> 05-28-92 2778 53,000 NA 2,000 860 1,200 2,400
<br />' 09-16-92 2823 11,000 NA 560 650 230 960
<br /> 11-05-92 2854 8,400 NA 580 580 240 840
<br /> 02-11-93 2822 19,000 NA 850 600 400 970
<br />' 02-08-94 2741 11,000 NA 1,700 640 890 11800
<br /> 05-04-94 2741 13,000 NA 1,300 1,100 670 2,500
<br /> 08-05-94 2709 2,700 NA 330 190 170 530
<br /> 12-20-94 2766 13,000 NA 1,200 900 600 2,400
<br />' 05-11-95 2436 23,000 NA 1,000 1,200 960 4,400
<br /> 10-05-95 2329 20,000 NA 370 370 790 3,200
<br /> 02-09-96 2295 27,000 NA 910 800 1,100 5,400
<br /> 05-08-96 2101 15,000 20 250 97 660 2,700
<br /> 08-08-96 2084 24,000 <40 640 140 1,000 3,800
<br /> 11-06-96 2131 14,000 <10 290 87 510 1,900
<br /> 02-05-97 1625 6,700 <13 85 11 230 540
<br /> 05-07-97 1842 4,500 <5 0 130 25 190 450
<br />' 08-06-97 18 61 1,800 63 95 90 140 140
<br /> 11-05-97 1936 2,300 <5 84 88 140 240
<br /> 02-05-98 1636 5,100 <12 56 38 230 170
<br />' 05-08-98 1408 1,500 <5 0 59 10 92 190
<br /> 08-13-98 1468 2,400 <10 70 16 110 290
<br /> 11-04-98 1644 4,000 <10 160 56 270 650
<br /> 02-04-99 15 83 1,400 <5 0 42 29 110 130
<br />' 05-05-99 1499 1,900 <10 40 70 98 180
<br /> 08-10-99 1554 2,500 <10 83 63 160 33
<br /> 11-10-99 1648 1,100 <5 0 75 14 76 100
<br /> 02-09-00 1612 120 <5 0 10 12 55 68
<br />' 05-11-00 --- 250 <10 <0 5 061 12 33
<br /> 08-22-00 1526 1,700 <30 27 190 14 240
<br /> 11-28-00 1634 780 <5 0 45 062 44 54
<br /> 02-28-01 15 93 280 <5 0 <0 5 063 21 52
<br /> t 05-21-01 1592 1,300 <5 0 43 42 51 17
<br /> 08-16-01 1664 510 <50 63 40 38 065
<br /> 11-14-01 1757 180 <5 0 55 18 22 16
<br />' 02-13-02 1648 160 <5 0 39 22 12 is
<br /> 05-16-02 1670 160 <5 0 <0 5 <0 5 34 26
<br /> 09-30-02 1781 NS NS NS NS NS NS
<br /> 12-02-02 18 23 NS NS NS NS NS NS
<br /> 1 Advanced GeoEnvlronmental,Inc
<br /> 1
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