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I TABLE 2 ANALYTICAL RESULTS OF GROUND WATER SAMPLES - EPA 8015/8021 ' Former Curtiss Pontiac-Buick 2450 Toste Road, Tracy, California We11 ID Sample Depth I PH-g TPH-d Benzene Toluene Ethyl- Total Date to GW benzene Xylenes 02-27-98 490 4,300 1,400 200 41 2.9 560 09-28-98 706 220 <50 15 37 4.5 17 I 12-17-98 686 58 <50 4.2 3.1 20 30 03-25-99 689 71 <50 0.81 093 1.2 0.82 06-21-99 709 200 68 16 21 4.4 21 09-21-99 694 63 <50 5.7 39 <0 5 25 12-07-99 697 <50 <50 21 083 <0 5 17 03-17-00 678 <50 <50 <0 5 <0 5 <0 5 <0 5 07-17-00 702 <50 <50 1.2 <0 5 <0 5 <0 5 I MW-lA 10-17-00 665 <50 <50 3.1 43 0.88 47 23-28 01-30-01 673 <50 52 1 2 056 085 24 04-25-01 693 <50 <50 <0 5 <0 5 <0 5 <0 5 07-27-01 699 <50 <50 <0 5 <0 5 <0 5 <0 5 ' 10-24-01 704 <50 <50 <0 5 <0 5 <0 5 <0 5 01-23-02 678 <50 100 <0 5 <0 5 <0 5 <0 5 04-23-02 704 <50 <50 <0 5 <0 5 <0 5 <0 5 07-23-02 700 <50 <50 <0 5 <0 5 <0 5 <0 5 10-31-02 709 <50 <50 <0 5 <0 5 <0 5 <0 5 03-12-03 7 17 <50 <50 <0 5 <0 5 <0 5 <0 5 07-16-03 808 2,800 <50 29 30 <0 5 61 02-27-98 525 5,000 1,200 480 140 8.9 600 09-28-98 701 2,000 160 530 260 55 130 I 12-17-98 702 560 93 270 36 13 22 03-25-99 688 3,600 290 1,300 120 110 88 06-21-99 700 3,400 130 740 400 59 220 09-21-99 690 2,400 210 540 200 58 120 ' 12-07-99 705 1,300 84 390 79 31 55 03-17-00 662 190 <50 78 19 3.0 2 1 07-17-00 692 610 66 110 49 17 44 I MW-1B 10-17-00 668 120 <50 29 12 2.1 5.2 5- 15 01-30-01 702 1,800 140 710 39 48 16 04-25-01 687 1,300 84 400 27 43 22 07-27-01 691 140 <50 24 11 4.1 11 10-24-01 698 410 <50 110 26 18 37 01-23-02 670 3,400 160 920 58 83 59 04-23-02 699 1,700 100 470 85 <5 0 82 I 07-23-02 696 30,000 1,900 7,700 1,900 1,200 2,000 10-31-02 705 390 610 12 <1 <1 37 03-12-03 712 1,200 150 350 31 48 37 07-16-03 827 <50 <50 <0 5 <0 5 <0 5 <0 6 I ' IAdvanced GeoEnvironmental