ARCHIVED REPORTS XR0009958 - Laserfiche WebLink

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0 *e 1 0 Groundwater Monitoring Data ARCO Service Station No 2130 7906 North EI Dorado Street, Stockton, California Page 4 of 6 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-5 08/28/92 --- 5800 --- --- 380 61 18 2 7 48 NA No FP,No S MW-5 09/15/92 15 10 5800 6495 -5003 NA NA NA NA NA NA No FP, No S MW-5 10/06/92 15 10 5800 65 10 -50 19 460 59 34 2 1 45 NA No FP,No S MW-5 11/11/92 15 10 5800 6440 -4950 NA NA NA NA NA NA No FP,No S MW-5 12/04/92 15 10 5800 6367 -4877 NA NA NA NA NA NA No FP,No S MW-5 01/20/93 Is 10 5800 6239 -4750 79 92 1 3 <0 5 4 2 NA No FP, No S MW-5 03/22/93 15 10 5800 6051 -4560 NA NA NA NA NA NA No FP,No S MW-5 04/06/93 15 10 5800 6001 -4508 1,600 260 150 12 230 NA No FP, No S MW-5 07/30/93 15 10 5800 6075 -4579 790 160 88 19 71 NA No FP,No S MW-5 11/29/93 15 10 5800 5977 -4486 9,600 1900 870 140 1300 NA No FP, No S MW-5 03/23/94 WELL INACCESSIBLE No FP,No S MW-5 06122194 WELL INACCESSIBLE No FP,No S MW-5 09/28/94 WELL INACCESSIBLE No FP, No S MW-5 10/11/94 15 10 58 00 5877 -4367 89 21 22 1 8 5 1 NA No FP,No S MW-5 12/01/94 15 10 5800 5770 -4260 870 280 23 41 87 NA No FP,No S MW-5 02/28/95 15 10 5800 54 78 -3968 310 70 1 4 5 9 5 0 NA No FP,No S MW-5 05/19/95 15 10 5800 5285 -3775 66 84 <0 5 05 <0 5 NA No FP,No S MW-5 08/28/95 15 10 5800 5461 -3951 130 27 <0 5 4 5 0 6 NA No FP,No S MW-5 12/07/95 15 10 5800 5320 -38 10 <200** 2 1 <0 5 0 7 <0 5 NA No FP,No S MW-5 02/05/96 15 10 58 00 5067 -3557 <200** 3 0 <0 5 0 9 <0 5 NA No FP, No S MW-5 05/30/96 15 10 5800 4770 -3260 140*** 15 <0 5 5 2 <0 5 <4** No FP,No S MW-5 09/18/96 I5 10 5800 51 56 -3646 <300*** 33 <0 5 9 0 <0 5 <3 No FP,No S MW-5 11/26/96 15 10 5800 4934 -3424 <200*** 19 <0 5 0 5 <0 5 <4** No FP,No S MW-5 03/24/97 15 10 5800 4424 -29 14 <200*** 3 2 <0 5 16 3 0 <8** No FP, No S MW-6 12/04/92 1455 5900 6340 NA 330 <0 5 <0 5 <0 5 <0 5 NA No FP, No S MW-6 01/20/93 1455 5900 61 87 -4732 NA NA NA NA NA NA No FP,No S MW-6 01/29/93 --- 5900 --- --- 120 <0 5 <0 5 <0 5 <0 5 NA No FP,No S MW-6 03/22/93 1455 5900 6028 -45 73 NA NA NA NA NA NA No FP,No S MW-6 04/06/93 1455 5900 5974 -45 19 160 0 6 <0 5 <0 5 <0 5 NA No FP,No S MW-6 07/30/93 1455 5900 6040 -4585 170 <0 5 <0 5 <0 5 <0 5 NA No FP, No S MW-6 11/29/93 1455 5900 5961 -4506 150 <0 5 <0 5 <0 5 <0 5 NA No FP,No S MW-6 03/23/94 1455 5900 5460 -4005 270 69 69 6 29 NA No FP,No S MW-6 06/22/94 1455 5900 5466 4011 <10 0 3 <0 3 <0 3 <0 5 NA No FP,No S MW-6 09/28/94 1455 5900 5850 -4395 <50 12 1 0 <0 5 <0 5 NA No FP,No S MW-6 12/01/94 1455 5900 5746 -42 91 <50 0 8 <0 5 <0 5 <0 5 NA No FP,No S MW-6 02/28/95 1455 5900 5454 -3999 55 <0 5 <0 5 <0 5 <0 5 NA No FP,No S MW-6 05/19/95 1455 5900 5259 -3804 96*** <0 5 <0 5 <0 5 <0 5 NA No FP,No S MW-6 08/28/95 1455 5900 5425 -39 70 120 <0 5 <0 5 <0 5 <0 5 NA No FP,No S MW-6 12/07/95 1455 5900 5291 -3836 <200** <0 5 <0 5 <0 5 <0 5 NA No FP,No S N Ws108051114081041597MI xis Rev 1 611/97