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Table 1 i Groundwater Monitoring Data and Analytical Results i Former Tosco(Unocal)Service Station#6981 4707 Pacific Avenue Stockton,California � WELL IDI DATE DTW S i GWE TPF/-G B E X MTBE IOC*Ut) {f1) (jt bgs) �i J (P b) (PbJ pb) r b) (p b) b) 5,27016 47 6 10 7 <10 0 21 71 <100/78 56 M W-2 12126-27/00 28 90 51 0-55 0 -1 b 77 86 i 3 42 8 2 59 <2 50 17 0 _ 67 1/732 6 Q3/07-08101 28 59 -16 4b 53/476 (cont) 40013 27 21 1 1 10 1 06/26-27101 2965 -17 52 -19 40 36013 25 16 <0 SD 84 I 5t/62 09112-13101 31 53 77 <2 0 <2 0 23 Ili 751946 12/12-13101 31 78 -19 65 70013 i 100/786 13 21 <2 0 17 �, 03/20-21/02 3055 -i 8 42 650 1 53 3 1 1 <0 50 36 ' --1586 j 06/06-07102" 31 02 -18 89 390 � 60 09/30/02 33 54 1,8D0 is 10,000 900 57 490 1 i -2141 2501 49 -20 92 4,100 460 <2 5 35 � 12/30-31/0219 3305 24 11 31 03/29-30/0316 31 99 -1986 960 43 087 Y 5 7, 14 410 10 <0 50 <0 50 19 3 1 ji -20 3 16 I �� j 06/25-26/033247 G j 3,400 <0 5 <0 5 0 95 52 0-55 0 -- <D 5 -" (V1 W-3 0212119D -- -- 10/18/90 DRY 11/19/90 DRY - -- -- -- -- I -- 12/27/90 DRY -- -- - 7 -- j 01/28/91 DRY 04/02/91 DRY 07/18/91 DRY -- -- -- -- 09/30/91 DRY 11/14/91 DRY _- 04/16/92 DRY 07/30/92 DRY -- "" -- -- -- -- 10121-22/92 DRY -- -- -- -- ' 01/13/93 DRY -- -- 11 51 04/26/93 5053 -3902 1,960 27 <5 0 <5 0 <5 0 -- � III 67126193 5151 -4000 1,300 78 15 <5 0 14, f -- 0/20193 5205 -4054 1,4001 44 <10 <10 <1'0 1 -- 01/17-18/94 4956 -3805 1,200 30 8 8 24 94 -- � -- � 04125-26194 4745 -3594 650 13 20 <0 5 1 7-- I I -' 07/25-26/94 INACCESSIBLE -- -- -- -- 1I 10126-27194 51 04 -3953 140 14 <0 5 <0 5 6981 x1s7#�1,138 A�1261Q13