ARCHIVED REPORTS XR0009961 - Laserfiche WebLink

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e1 Groundwater onitoring Data ARCO Service Station No. 2130 w 7906 North El Dorado Street, Stockton, California Pa e6of6 [well Elevation Static Water Groundwater Tom Number Date Top of Casmg Top of Screen Level Elevation TPHG Benzene Toluene Eth lbenzene Xylene MTBE Observattons MW-10 06/22/94 1438 5435 -3997 1,600 50 15 3 3 55 No FP,No S MW-10 09/28/94 1438 58 11 -43 67 NA NA NA NA NA No FP,No S MW-10 09/29/94 --- --- --- 1,100 <0 5 <0 5 3 6 4 0 No FP,No S MW-10 12/01/94 1438 57 15 4277 800 <0 5 2 3 08 13 No FP,No S MW-10 02/28/95 1438 5424 -3986 300 0 9 <0 5 <0 5 <0 5 No FP,No S MW-10 05/19/95 1438 5232 -37 94 370 0 9 <0 5 <0 5 <0 5 No FP,No S MW-10 08/28/95 1438 5370 -3932 420 12 <0 5 <0 5 <0 5 No FP,No S MW-10 12/07/95 1438 5261 -38 23 490 0 7 <0 5 <0 5 <0 5 No FP,No S MW-10 02/05/96 1438 5013 -35 75 350 0 7 <0 5 <0 5 <0 5 No FP,No S MW-10 05/30/96 14 38 53 00 47 09 -3271 350*** <6** <0 5 <0 5 <0 5 <6** No FP,No S TBLB 03/23/94 --- --- --- <10 <0 3 <0 3 <0 3 <0 5 NA TBLB 06/22/94 --- --- --- <10 <0 3 <0 3 <0 3 <0 5 NA TBLB 09/29/94 --- --- --- <50 <0 5 <0 5 <0 5 <0 5 NA TBLB 12/01/94 --- --- --- <50 <0 5 <0 5 <0 5 <0 5 NA TBLB 02/28/95 --- --- --- <50 <0 5 <0 5 <0 5 <0 5 NA Measurements in feet Datum in mean sea level Static water level measured in feet below top of casing --=Well not surveyed <=Below detection lunn for the analytic methods used. *=Raised method reporting Itmtt(MRI.)due to high analyte ooncenttation requiring sample dilution **=Raised MRL due to matrix interference ***=The sample contains discrete non-fuel components eluting to the gasoline range,quantified as gasoline The chromatogram does not match the typical gasoline fingerprint. ti=Not sampled as well is scheduled to be abandoned TB=Tnp Blank NE=Not evaluated FP=Free Product NA=Not Analyzed S =Sheen Rev 2 9/9N6 N\xIM805V 1406\062896M1 xis