ARCHIVED REPORTS XR0009957 - Laserfiche WebLink

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AD 1 I ' Groundwater Monitoring Data ARCO Service Station No. 2130 Page 2 of 8 7906 North EI Dorado Street, Stockton, California Well Elevation Static Water Groundwater Ethyl- Total Number Date Top of Casing Top of Screen Level Elevation TPHG Benzene Toluene benzene Xylene MTBE Observations MW-2 01/07/92 15 19 6000 47 11 -3192 8,000 82 <60 48 170 NA No FP, No S MW-2 02/24/92 15 19 6000 6159 -4640 NA NA NA NA NA NA No FP,No S MW-2 03/31/92 15 19 6000 6137 -4618 NA NA NA NA NA NA No FP,No S MW-2 04/21/92 15 19 6000 6170 -4651 1,500 16 <0 5 22 53 NA No FP, No S MW-2 05/11/92 15 19 6000 6236 4717 NA NA NA NA NA NA No FP, No S MW-2 06/23/92 15 19 6000 6244 -4725 NA NA NA NA NA NA No FP,No S MW-2 07/08/92 15 19 6000 6366 -4847 2,100 140 3 6 27 45 NA No FP,No S MW-2 08/10/92 15 19 6000 6458 -4939 NA NA NA NA NA NA No FP,No S MW-2 09/15/92 1519 6000 65 22 -5003 NA NA NA NA NA NA No FP,No S MW-2 10/06/92 15 19 6000 6538 -50 19 950 90 5 4 12 7 9 NA No FP,No S MW-2 11/11/92 15 19 6000 64 69 4950 NA NA NA NA NA NA No FP,No S MW-2 12/04/92 15 19 6000 6396 -4877 NA NA NA NA NA NA No FP, No S MW-2 01/20/93 15 19 6000 6269 -4750 1,400 41 <2 5 24 6 4 NA No FP,No S MW-2 03/22/93 15 19 6000 6079 -4560 NA NA NA NA NA NA No FP, No S MW-2 04/06/93 15 19 6000 6027 -4508 1,000 71 <2 5 31 88 NA No FP,No S MW-2 07/30/93 1519 6000 6098 -4579 1,200 35 2 6 30 15 NA No FP,No S MW-2 11/29/93 1519 6000 6005 -4486 1,100 28 3 3 18 45 NA No FP,No S MW-2 03/23/94 15 19 6000 55 14 -39 95 1,200 14 7 7 6 9 5 2 NA No FP,No S MW-2 06/22/94 15 19 6000 5522 -4003 1,200 54 15 13 58 NA No FP, No S MW-2 09/28/94 15 19 6000 5906 -43 87 1,600 370 2 9 47 13 NA No FP,No S MW-2 12/01/94 1519 6000 5800 -4281 220 21 <0 5 2 6 <0 5 NA No FP,No S MW-2 02/28/95 15 19 6000 5508 -39 89 110 <0 5 <0 5 <0 5 <0 5 NA No FP,No S MW-2 05/19/95 15 19 6000 53 15 -3796 400 23 <0 5 21 <0 5 NA No FP, No S MW-2 08/28/95 15 19 6000 54 83 -39 64 650 84 <1* 9 3 1 1 NA No FP,No S MW-2 12/07/95 15 19 6000 5347 -3828 540 18 <1* 3 <1* NA No FP,No S MW-2 02/05/96 15 19 6000 5193 -3674 310 28 06 13 08 NA No FP,No S MW-2 05/30/96 15 19 6000 4791 -3272 510 31 10 59 13 <7** No FP,No S MW-2 09/18/96 15 19 6000 5180 -3661 920 150 <2 5* 22 3 5 <15* No FP, No S MW-2 11/26/96 15 19 6000 4960 -3441 520 21 <0 5 2 7 0 6 7 No FP,No S MW-2 03/24/97 15 19 6000 4450 -2931 <500*** <3** <3** <3** <3** <20** No FP,No S MW-2 05/20/97 1519 6000 4509 -2990 720 71 <1* 13 1 1 <6* No FP,No S N\xls\0805\11408\062697M1 XLS Sheal Emcon 4 818/97