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Groundwater Monitoring Data
<br /> ARCO Service Station No 2130
<br /> 7906 North El Dorado Street, Stockton, California
<br /> Page 1 of 6
<br /> Well Elevation Static Water Groundwater Ethyl- Tota
<br /> Number Date Top of Casing Top of Screen Level Elevation TP14G Benzene Toluene benzene Xylene MTBE Observations
<br /> MW-1 01/07/92 1458 6000 61 48 -4690 18,000 1,600 610 140 850 NA No FP,No S
<br /> MW-I 02/24/92 1458 6000 6076 -46 18 NA NA NA NA NA NA No FP, No S
<br /> MW-1 03/31/92 14 58 6000 6056 4533 NA NA NA NA NA NA No FP,No S
<br /> MW-I 04/21/92 1458 6000 6091 -4633 5,200 1,400 360 53 260 NA No FP,No S
<br /> MW-I 05/11/92 1458 6000 61 57 -4699 NA NA NA NA NA NA No FP,No S
<br /> MWA 06/23/92 1458 6000 61 68 -47 10 NA NA NA NA NA NA No FP,No S
<br /> MW-1 07/08/92 1458 6000 62 84 -4826 6,500 1,900 320 89 - 230 NA No FP,No S
<br /> MW-1 08/10/92 1458 6000 6374 -49 16 NA NA NA NA NA NA No FP,No S
<br /> MW-1 09/15/92 1458 6000 6437 -4979 NA NA NA NA NA NA No FP,No S
<br /> MW-1 10/06/92 1458 6000 64 52 -4994 11,000 2,500 600 210 470 NA No FP,No S
<br /> MW-1 11/11/92 1458 6000 63 83 -4925 NA NA NA NA NA NA No FP,No S
<br /> MW-I 12/04/92 1458 6000 63 10 -4852 NA NA NA NA NA NA No FP,No S
<br /> MW-I 01/20/93 1458 6000 61 83 -4725 1,800 260 100 10 34 NA No FP,No S
<br /> MW-1 03/22/93 1458 6000 5995 -4537 NA NA NA NA NA NA No FP,No S
<br /> MW-I 04/06/93 1458 6000 5947 -4489 1,500 250 64 30 76 NA No FP,No S
<br /> MW-I 07/30/93 1458 6000 60 19 -4561 2,100 390 130 38 79 NA No FP,No S
<br /> MW-1 11/29/93 1458 6000 5929 -4471 1,200 230 12 11 16 NA No FP, No S
<br /> MW-1 03/23/94 1458 6000 54 33 -3975 1,900 120 8 2 25 7 5 NA No FP,No S
<br /> MW-1 06/22/94 1458 6000 54 11 -3988 910 13 4 0 4 1 1 9 NA No FP,No S
<br /> MW-1 09/28/94 1458 6000 58 17 -4359 420 6 8 14 2 9 <0 5 NA No FP,No S
<br /> MW-1 12/01/94 1458 6000 57 11 -4253 220 2 4 <0 5 <0 5 <0 5 NA No FP,No S
<br /> MW-I 02/28/95 1458 6000 5421 -3963 340 2 1 <0 5 0 6 <0 5 NA No FP,No S
<br /> MW-1 05/19/95 1458 6000 5241 -3783 210 2 9 <0 5 0 7 <0 5 NA No FP,No S
<br /> MW-1 08/28/95 1458 6000 5404 -3946 240 3 2 <0 5 10 <0 5 NA No FP,No S
<br /> MW-1 12/07/95 1458 6000 52 67 -3809 190 1 7 <0 5 <0 5 <0 5 NA No FP,No S
<br /> MWA 02/05/96 1458 6000 50 11 -3553 230 2 5 <0 5 05 <0 5 NA No FP,No S
<br /> MW-1 05/30/96 1458 6000 47 17 -3259 180*** 12 <0 5 <0 5 <0 5 <4** No FP,No S
<br /> MW-1 09/18/96 1458 60 00 5096 -3638 200 16 <0 5 <0 5 <0 5 <5** No FP,No S
<br /> MW-I 11/26/96 1458 6000 4880 -3422 220 1 5 <0 5 <0 5 <0 5 5 No FP,No S
<br /> MW-1 03/24/97 1458 6000 43 73 -29 15 <50 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S
<br /> MW-2 01/07/92 15 19 6000 4711 -3192 8,000 82 <60 48 170 NA No FP,No S
<br /> MW-2 02/24/92 15 19 6000 61 59 -4640 NA NA NA NA NA NA No FP,No S
<br /> MW-2 03/31/92 15 19 6000 6137 -46 18 NA NA NA NA NA NA No FP,No S
<br /> MW-2 04/21/92 15 19 6000 61 70 -4651 1,500 16 <0 5 22 53 NA No FP,No S
<br /> MW-2 05/11/92 15 19 6000 6236 -47 17 NA NA NA NA NA NA No FP,No S
<br /> MW-2 06/23/92 15 19 6000 6244 -4725 NA NA NA NA NA NA No FP,No S
<br /> MW-2 07/08192 15 19 6000 6366 -4847 2,100 140 3 6 27 45 NA No FP,No S
<br /> MW-2 08/10/92 15 19 6000 6458 -4939 NA NA NA NA NA NA No FP,No S
<br /> MW-2 09/15/92 15 19 6000 6522 -5003 NA NA NA NA NA NA No FP,No S
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