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TABLE 2 r ANALYTICAL RESULTS OF GROUND WATER SAMPLES - EPA METHOD 8015/8021 Farmer Curtiss Pontiac-Buick .2450 Toste Road, Tracy, California (ug/4 We11ID Sample Depth TPH-g TPH-d Benzene Toluene. Ethyl- Total Date to GW benzene . Xylenes 0227-98 4.90 4,300 1,406 200 41 2.9 560 09-28-98 7.06 220 <50 '15 3.7 4.5. - 1.7 12-17-98 6.86 58 <50 4.2 3.1 2.0 3.0 03-25-99 6.89 71. <50 0.81 0,93 . 1.2 0.82 06-21-99 7.09 -200 68 16 21 4.4 21 r . .09-21-99 6.94 63 <50 , 5.7- 3.9 <0.5 2.5 12-07-99 6.97' <50 <50 2.1 0.83 <0.5 1.7 03-17=00 6.78 <50 <50 ' <0.5 <0.5 <0.5 <0.5 MW-1A 07-17-00 7.02 <50 '<50. 1.2 <0.5 <0.5 <0.5 23'-2$10-17-00 6.65 <50 X50. 3.1 4.3 0.88 4.7 01-30=01 .6.73 <5052 1.2 0.56 0.85 2.4 04-25-01 6.93 <50 <5G. <0.5 <0.5 <0.5 <0.5, 07-27-01 6.99. <50 <50 <0.5 50.5 :: <45 <0.5 . 10-2401 7.04 <50' <50 <0.5 <0.5 <0.5 <0.5 01-23-02 6.78 <50 -100 <0.5 X0:5 <0.5 <0.5 04-23-02 7.04 <50 <50 X0.5 <0.5 <0.5 <0.5 . t" 07-23-02 7.00 = <50 <50 ,0.5 <0.5 <0.5 <0..5• 10-31-02. _ 7.09 <50 <50 <0.5 <0.5 <0.5 <0.5 ; 03-12-03 7.17 <50- <50 <0.5 50.5 . <0.5 <0.5 02-27-98 5.25 5,000 1,200 : 480 .140 8.9 600 09-28-98 7.01 2,000 160 530 -260 55 130 12-17-98 7.02 560 93 270 36 .13 22 03-25-99- 6.88 3,600 290- 1,300 120110 88 06-:21-:99 7.00 3,400. 130 740 400 59 220 09-21-99 6.90 2,400 210 540 200 58 120 12-07-99 7.05 1,300. 84 390 . 79 31. 55 03-17-00 6.62 190 <50 _ 78. 1.9- 3.0 2.1 . MW-1B 07-17-00 6.92 _ 610 66 110 '49 . 17 44 S-15 10-17-00 .6.68- : ' 120 <50 29 12 2.1 5.2 ' 01-30-01 A,800 .140- 710 39- 48 16 04-25-01 . 6.87 1,300 "84 400 27 43 22 07-27-01 6.91 140 <50. 24. 11 4.1 11 10-24-01 6.98 410 <50 110 -26 ' 18 37 01-23.02 6.70 3,400 160 920 58 83 59 04-23-02 6.99 2,700 100 470 85 <5.0 82 07-2302 6.96' 30,000 1,900 7,700 1,900 1,200 2,000 . 10-31-02 7.05 390 610 1.2 <1. <1 37 03-12-03 7.12 1,200 150. 350 31 48 37 Advanced Geognvironmentai.