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TABLE 2 ' ANALYTICAL DATA GROUNDWATER Port of Stockton Former UST Site No 3,San Joaquin County ' Results orted to Parts per billion= b Well Date TPH-g Benzene Toluene Ethylbenzene Xylenes MtBE Number Sampled EPA 8015-m EPA 8260 EPA 8260 EPA 8260 EPA 8260 EPA 8260 MW3-1 07/09/99 610 18 302 236 791 N D 10/22/99 2,750 270 120 49 390 N D 02/08/00 1,800 12 85 30 180 N A ' 05/17/00 180 120 82 38 428 NA 09/14/00 400 11 11 60 44 N A 02/14/01 420 30 29 83 24 N D 5/17/01 1,288 187 55 40 162 N A ' 08/22/01 3,500 300 160 110 430 N A 11/19/01 10,070 380 119 156 664 N A 2/19/02 1,490 164 103 70 305 N A ' 5/16/02 710 97 50 366 151 N A 8/20/02 600 186 83 49 208 N A MW3-2 07/09/99 640 119 296 219 666 N D 10/22/99 4,100 49 270 50 320 N D 02/08/00 3,200 153 380 122 200 N A 05/17/00 790 64 174 19 181 N A 09/14/00 6,600 150 660 370 530 N A 02/14/01 7,000 215 I,115 315 870 N D 5/17/00 4,170 132 626 120 796 N A 08/22/01 5,290 44 490 170 600 N A 11/19/01 39,700 359 2,080 596 2,864 N A 2119/02 3,610 14 255 105 453 N A ' 5/16/02 5,170 112 407 180 644 NA 8/20/02 6,925 162 480 210 800 N A MW3-3 07/09/99 8,420 113 2,506 886 1,772 N D ' 10/22/99 7,220 207 680 221 1,360 N D 02/08/00 4,500 150 460 180 880 N A 05/17/00 1,600 93 560 180 737 N A ' 09/14/00 6,800 37 190 79 330 N A 02/14/01 8,800 12 500 195 840 N D 5/17/01 3,010 22 420 159 650 N A ' 08/22/01 6,570 108 770 210 850 N A 11/19/01 4,600 74 950 560 640 N A 2/19/02 4,850 174 450 114 570 N A ' 5/16/02 4,930 12 256 130 481 N A 8/20/02 3,500 140 350 80 328 NA Reporting Lnmts 50 Uo 0 5 0 5 UZI ' N D Analyte not detected at reporting lints listed in laboratory report N A Not Analyzed ' ust 5110 qv 12 dac 8 1