ARCHIVED REPORTS XR0003443 - Laserfiche WebLink

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TAR1 GROUND WATER MONITORING DATA Ekon Service Station 7-3708 2705 Country Club Boulevard Stockton, California Depth to Ground Reference Ground Water Ethyl- Total TPPH as Monitoring Elevation Water Elevation Benzene Toluene benzene Xylenes gasoline MTBE Well Date (ft) {ft) (ft) (n/L) (µg/L) (n/L) 61g/L) (gg/L) (µg/L) Comments MW-6 02/11/92 -051 1356 1407 0 6 <0 5 <0 5 <0 5 516 NA No LPH or sheen 03/18/92 1149 -1200 0 6 <0 5 <0 5 <0 5 <509 NA No LPH or sheen 06/04/92 1234 -1285 <0 5 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 09/28/92 1499 -1550 <0 5 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 12/18/92 1473 -1524 <0 5 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 04/05/93 862 -9 13 <0 5 <0 5 <0 5 <0 5 900 NA No LPH or sheen 09/23/93 1183 -1234 <0 5 0 8 <0 5 15 52 NA No LPH or sheen 11/15/93 1260 -13 11 <0 5 <0 < < 5 O S 0 5 <50 NA No LPH or sheen 02/10/94 1150 -1201 0 7 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 05/31/94 1065 -1116 <0 5 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 08/30/94' 1232 -1283 <0 5 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 11122194' 13 03 -1354 <0 5 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 01/12/95' 1189 -1240 13 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 03/31/95 741 -7 92 <0 5 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 04/05/95 NM NC <0 5 <0 5 <0 5 <0 5 <50 NA NM 07/14/95 NM NC <0 5 <0 5 <0 5 <0 5 <50 NA NM 07/17/95 938 -989 NS NS NS NS NS NS No LPH or sheen 10/05/95 1145 -1196 7 7 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 11/29/95 1151 -1202 0 86 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 04/02/96 729 -7 80 <0 5 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 07/31/96 900 -951 <0 5 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 10/23/96 10 03 -1054 <0 5 <0 5 <0 5 <0 5 <50 22 No LPH or sheen 02/07/97 470 -521 <0 5 <0 5 <0 5 <0 5 <50 NA No LPH or sheen 05/30/97 742 -7 93 <0 5 <0 5 <0 5 <0 5 <50 d23 No LPH or sheen 08/20/97 933 -984 <0 5 <0 5 <0 5 <0 5 <50 No LPH or sheen I (Page 6 of 9) 93-809 XIS