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TABLE 1 <br /> • SUMMARY OF GROUNDWATER MONITORING AND ANALYTICAL RESULTS <br /> Gardner Property,Thornton,CA <br /> Page 4 of 7 <br /> • measured in feet MSL (Reported in u 11 <br /> Well ID I Date Wellhead Depth to G W Benzene Toluene Ethyl Xylenes TPHg MTBE Fuel Dissoved <br /> Elev Water Elev I Benzene EPA 8020 Oxygenates Ox en <br /> MW4 10129/91 895 1130 -235 110 79 640 1,700 19 000 -- <br /> 03/04/92 903 934 -031 1 2 32 91 38 3 700 <br /> 03/13/92 903 900 003 — — -- -- -- <br /> 09101192 903 1216 313 38 80 1 100 590 40 000 <br /> 12/03/92 903 11 10 -207 26 110 490 1 100 15 000 <br /> 03/24/93 903 573 330 72 19 56 190 7 100 - <br /> 07/23/93 903 754 149 <0 50 <0 50 540 140 3 100 - <br /> 12/27/93 903 836 067 <0 50 76 700 840 15 000 <br /> 03/30/94 9 03 738 1 65 -- -- -- -- -- <br /> 06124194 903 859 044 <0 50 <0 50 780 1 200 16 000 - <br /> 09/16/94 903 1092 1 89 <0 50 <0 50 240 200 2 800 <br /> 12/21/94 903 975 -072 <0 50 13 330 270 7 000 <br /> 03/30/95 903 436 467 47 23 80 13 2 100 <br /> 06/30/95 903 553 350 38 47 270 300 12 000 — - <br /> 09/29/95 903 875 028 10 15 240 280 8 800 - <br /> 12/29/95 903 803 1 00 66 30 380 420 11 000 <br /> 03/29/96 903 377 526 18 16 220 110 8 600 <br /> 06/28/96 903 630 273 34 42 140 100 8200 <br /> 09/30/96 9 03 944 -041 24 28 470 540 10 000 -- <br /> 12/17/96 903 844 059 21 28 390 520 9 600 - <br /> 03l25197 903 337 566 34 24 180 210 9200 <br /> 06/25/97 903 710 1 93 12 23 230 240 7 600 <br /> 09/18/97 903 1030 -1 27 36 32 10 550 9 900 <MDLs <br /> 12/16/97 903 934 031 28 10 420 510 6200 -- <br /> 03/20/98 903 283 620 26 23 170 110 4 400 30 <br /> 06/30/98 903 481 422 13 <10 230 150 4 600 -- <MDLs -- <br /> 09l29198 903 992 -089 59 <5 0 42 41 1 600 -- <1 000 <br /> 12/23/98 903 883 020 12 48 78 23 3 000 <10 -- <br /> 04/05/99 903 711 192 613 <5 0 508 175 2 650 <50 0 <br /> 07/09/99 903 864 039 <10 <10 <10 37 2 500 <50 0 <br /> 10/07/99 903 1046 -143 11 1 11 3 575 646 2 700 — - <br /> 12/28/99 903 960 -057 <10 0 <100 847 102 4 920 -- <br /> 03121/00 903 703 200 <0 500 257 202 943 2200 <2 So <br /> 07/13/00 903 862 041 <0 500 0 661 192 393 704 -- -- — <br /> 09/27/00 903 1001 -098 <1 0 74 84 51 6 000 -- <MDLs <br /> 12/20/00 903 983 080 94 82 77 41 7 600 <5 0 - — <br /> 03/29/01 903 885 018 10 84 65 23 3 400 12 0- <br /> 061118101 903 1002 099 12 94 170 52 7 500 34 - — <br /> 09/24/01 903 11 14 211 69 14 140 140 5 400 <10 — <br /> 01/15/02 903 978 -075 18 15 71 1 180 1 5 600 1 <2 0" <MDLs <br /> s <br /> w 1625az1Tg111BIIa1,1.,[3/241021 <br />