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' Table 8 A Summary of Groundwater Analytical Data(Shallow Wells) ' George's Service 1600 Durham Ferry Road Tracy,California ' Project No 425 2 Wells Date Benzene Toluene Ethyl Total TPH MTBE 1,2- Benzene Xylenes Gasoline Dichloroethane ' u L ugIL u L ugIL U91 u L u MW-1 05/04/95 45 40 80 60 470 NA - ' 09/13/96 24 10 60 10 186 7* 01/17/97 17 10 40 40 176 9* 05/05/97 47 20 20 13 331 1315 8* - 09/19/97 12 06 20 60 75 28 - ' 02/24/98 24 10 30 13 181 1 40 - 05/29/98 so ND<3 20 20 ND<50 ND<2 11/13/98 18 08 26 86 97 ND<5 - ' 04/28/99 11 06 30 78 94 ND<5 09/01/99 7 ND<0 3 07 54 ND<50 ND<5 12/22/99 100 43 32 87 820 NIA - 03/31/00 174 10 9 47 667 7* - ' 06/20/00 170 2 17 128 1,300 2* 09/20/00 169 2 8 66 871 ND<2 12/27/00 182 2 30 93 960 ND<2 03/06/01 136 ND<O 3 28 78 710 ND<2 - 06/20/01 162 2 23 111 1,080 NIA 09/07/01 175 09 159 794 928 26* - 12/03/01 170 12 189 793 942 4 6* - ' 02/22/02 268 35 119 358 2,680 3 7* 06/05/02 846 04 409 136 779 25 09/11/02 635 08 138 1 140 1,220 ND<2 - ' 12/26/02 101 09 354 112 925 N/A - 03/21/03 647 09 479 123 981 ND<1 06/06/03 799 06 252 674 672 1 3* - 09/05/03 238 is 911 171 1,450 33 - ' 01/03/04 1 1 ND<O 3 84 172 205 ND<1 04/27/04 34 ND<O 3 65 123 199 ND<1 07!23/04 482 05 181 554 569 ND<1 - ' 11/03/04 847 10 457 887 928 1 1 - 01/21/05 3000 ND<5 2100 4000 2,300 ND<5 0 ND<5 0 04/11/05 40 ND<a 5 17 34 ND<50 08 06 ' MW-2 05/04/95 40 57 11 55 530 NA - 09/13/96 FP FP FP FP FP FP 01/17/97 FP FP FP FP FP FP - ' 05/05/97 287 548 178 798 6,810 ND<5 09/19/97 743 1,380 455 1 2,800 18,600 ND<20 02/24/98 384 FP 507 FP 112 FP 574 FP 4100 FP ND<2 05/29/98 2,800 5,220 2,200 14,600 334,000 <200 - ' 11/13/98 450 730 360 2,000 6,400 ND<5 - ' G��g �reclrnfcsliu Table 8 A Page t of 6