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„de 2: Summary of Groundwater Analytical Data - Zone r. Georges Service 1680 Durham Ferry Road Tracy. California Wells Date See Notes Benzene Toluene Ethyl Total TPH MTBE DIPE ETBE TAME TBA 1,2-DCA EDB Benzene Xylenes Gasoline ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L MW-5 05/05/97 21 58 50 279 2,320 ND<5 -- 09/19/97 16 0.4 2.0 3.0 186 2.2 ND<2 ND<2 ND<2 ND<100 -- 02/24/98 14 1.0 5.0 8.0 202 2.0 05/29/98 24 0.7 22 14 281 3.0 -- 11/13/98 12 ND<0.3 12 8.5 160 ND<5 ND<5 ND<5 ND<5 ND<50 04/28/99 20 ND<0.3 23 19 400 ND<5 -- 09/01/99 ' 8.9 ND<0.3 14 12 140 8 1 12/22/99 2.8 ND<0.5 9 16 650 N/A 03/31/00 ' 84 ND<0.3 25 27 626 4.0 - 06/20/00 110 1 104 131 2,280 ND<2 -- -- 09/20/00 206 1 140 105 2,470 2.0 12/27/00 26 0.7 68 66 937 ND<2 03/06/01 42 ND<1.5 118 100 1,330 ND<5 -- 06/20/01 60 2 137 130 2,170 -- 09/07/01 13.3 ND<0.3 20.7 38.7 245 ND<2 -- -- -- 12J03/01 88.9 0.8 91.2 91.6 1,360 3.4 02/22/02 92.0 0.6 131 93.9 1,310 5.1 06/05/02 39.8 2.8 245 252 4,050 ND<2 -- 09/11/02 23.2 1.5 214 189 2,900 ND<2 -- 12/26/02 27 2.3 402 358 5,750 N/A -- 03/21/03 * 15.5 1.0 178 160 2,880 3.3 06/06/03 6.7 1.1 217 201 3,010 2.1 -- -- -- 09/05/03 33.7 1.6 277 299 4,920 NEW 01/03/04 2.5 1.1 81.2 91.3 2,040 NC/el 04/27/04 12.4 ND<1.5 298 223 4,740 ND<5 -- -- -- 07/23/04 6.3 0.5 129 121 3,300 1.1 11/03/04 2.3 1.1 96.4 84.9 2,580 ND<1 -- 01/21/05 3.5 ND<0.5 70.0 70.1 1,200 1.3 9.6 04/11/05 1.8 ND<0.5 56.0 54.8 1,200 2.7 9.4 07/20/05 0.9 ND<0.5 15.8 22.2 301 1.2 10/30/05 ND<0.5 ND<0.5 7.6 8.2 281 1.9 ND<0.5 ND<0.5 ND<0.5 ND<5 81 ND<0.5 01/22/06 ND<0.5 ND<0.5 11.7 121 190 tO ND<0.5 ND<0.5 ND<0.5 ND<5 6.4 ND<0.5 0428/06 ND<0.5 ND<0.5 9.8 6.4 147 1.3 ND<0.5 ND<0.5 ND<0.5 N0<5 sa ND<0.5 08/02/06 ND<0.5 ND<0.5 11.1 2.3 167 tO ND<0.5 ND<0.5 ND<0.5 ND<5 5.4 ND<0.5 10/15/06 1.0 ND<0.5 39.6 26.4 604 07 ND<0.5 ND<0.5 ND<0.5 ND<5 51 ND<0.5 02/07/07 ND<0.5 ND<0.5 ND<0.5 ND<1 ND<50 1.3 ND<0.5 ND<0.5 ND<0.5 N0<5 5.4 ND<0.5 04/13/07 ND<0.5 ND<0.5 ND<0.5 ND<1 ND<50 11 ND<0.5 ND<0.5 ND<0.5 ND<5 6.5 ND<0.5 07/16/07 NDe0.5 ND<0.5 ND<0.5 ND<1 ND<50 N0<0.5 ND<0.5 ND<0.5 ND<0.5 N0<5 17 ND<0.5 10/10/07 ND<0.5 ND<0.5 ND<0.5 ND<1 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 N0<5 1.4 ND<0.5 01/29/08 ND<0.5 ND<0.5 ND<0.5 ND<1 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 2.8 ND<0.5 04/21/08 ND<0.5 ND<0.5 ND<0.5 ND<1 N0<50 11 ND<0.5 ND<0.5 ND<0.5 ND<5 5.2 ND<0.5 07/09/08 ND<0.5 ND<0.5 ND<0.5 ND<1 ND<50 tO ND<0.5 ND<0.5 ND<0.5 ND<5 51 ND<0.5 1023/08 ND<0.5 ND<0.5 ND<0.5 ND<1 N0<50 OA N0<0.5 ND<0.5 N0<0.5 N0<5 10 ND<0.5 01/23M9 ND<0.5 ND<0.5 ND<0.5 ND<1 N0<50 OA NO<0.5 ND<0.5 ND<0.5 ND<5 19 ND<0.5 06/30M9 ND<0.5 Na<0.5 ND<0.5 ND<1 ND<50 0.7 ND<0.5 ND<0.5 ND<0.5 ND<5 13 ND<0.5 11/06M9 ND<0.5 ND<0.5 ND<0.5 ND<1 ND<50 0.9 ND<0.5 ND<0.5 ND<0.5 N0<5 32 ND<0.5 04/26M0 ND<0.5 ND<0.5 ND<0.5 ND<1 ND<50 0.6 ND<0.5 ND<0.5 ND<0.5 ND<5 3.1 ND<0.5 10/22/10 ND<0.5 ND<0.5 ND<0.5 ND<1 ND<50 0.8 ND<0.5 ND<0.5 ND<0.5 ND<5 2.6 ND<0.5 04/26M1 ND<0.5 ND<0.5 ND<0.5 ND<1 ND<50 0.9 ND<0.5 ND<0.5 ND<0.5 ND<5 2.9 ND<0.5 04M6M2 Not Sampled 10/18/12 Not Samped 01/22/13 Not Sampled 04/25M3 ND<0.5 1 ND<0.5 1 31 1 4.1 1 140 1 015 I 1 [ 1 I 1.7 j 08/05M3 Not Sampled 10/23M3 Not Sampled 06/30M4 ND<0.5 1 ND<0.5 I 114 I ND<1 I 29 1 0.53 1 I 1 I 1 079 I 09M0M4 Not Sampled 11/20M4 Not Sampled 01/05M5 Not Sampled 04/08M5 ND<0.5 1 ND<0.5 I ND<0.5 1 ND<1 I 62 I ND<0.5 I I I I 1 ND<0.5 I 0729M5 Not Sampled 10/05M5 Not Sampled 01/07M6 Not Sampled 04M9M6 ND<0.5 I ND<0.5 I ND<OS ND<1 I N0<50 I ND<0.5 1 - 1 1 I 1 ND<0.5 I 08/01M6 Not Sampled 11M8M6 ND<0.5 I ND<0.5 I ND<0.5 I ND<1 I ND<50 I ND<0.5 I I I I 1 ND<0.5 I Ground Zero Analysis. Inc. 5 of 9 8/16/2017