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I <br /> Table 1 <br /> Groundwater Monitoring Data <br /> ARCO Service Station 0760,225 South Cherokee lane,Lodi,California <br /> Well Elevation Static Elevation <br /> Sample of Top Water of Total <br /> Number Date of Casing Level Groundwater TPHG TPHD Benzene Toluene Ethylbenzene Xylenes TOG Observations <br /> MW-1 <br /> 03/21/94 6291 5990 -699 60 <10 <0 3 05 04 07 *<1000 No FP,No S,No S . <br /> 06/24/94 5291 6172 -881 38 <10 03 04 03 17 <1000 No FP,No S,No S <br /> 09/27/94 5291 6454 -1163 380 140 34 14 <0 5 <0 5 <5000 No FP,No S,No S <br /> MW-2 <br /> 03/21/94 5327 6026 -699 93 <10 <03 09 06 13 *'<5000 No FP,No S,No S <br /> 06/24/94 .5327 6240 -913 31 <10 <0 3 <0 3 <0 3 <0 5 <1000 No FP,No S,No S <br /> 09/27/94 5327 6488 -1161 130 <50 <0 5 <0 5 <0 5 <05 <5000 No FP,No S,No S <br /> MW-3 <br /> 03/21/94 5438 6126 -688 130 <10 04 07 05 1 1 **<5000 No FP,No S,No S <br /> 06/24/94 5438 6339 -901 58 <10 <0 3 03 <0 3 <0 5 <1000 No FP,No S,No S <br /> 09/27/94 5438 6583 -1145 290 <50 45 51 <0 5 07 <5000 No FP,No S,No S <br /> TBLB <br /> 03/21/94 NNE NM NM <10 NA <0 3 <03 <0 3 <0 5 NA NA <br /> 06/24/94 NM NM NM <10 NA <03 <03 <0 3 <0 3 NA NA <br /> 09/27/94 NM NM NM <50 NA <0 5 <05 <0 5 <0 5 NA NA <br /> • <br /> Analytical rsults in parts per billion Measurements in feet <br /> Elevation datum is mean sea level <br /> TPHG-Total petroleum hydrocarbons as gasoline TPHD-Total petroleum hydrocarbons as diesel <br /> TOG-Total oil and grease <br /> FP-Free product NA-Not analyzed NM-Not measured TBl8-trip blank <br /> *-EPA Method 413 2(Infrared Spectrometry) **-EPA Method 4131 (Gravimeinc Analysis) <br /> -The sample contains a lower boding point hydrocarbon mixture quantified as gasoline,the chromatogram does not match the typical gasoline <br /> <-Below detection limit for analytical methods used <br /> A01305\1 4201\1 10794BI As <br /> t <br /> t <br />