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Case Closure Summary Page 2 Program <br /> Leaking Underground Fuel Storage g <br /> III. Release and Site Characterization Information (continued) <br /> Maximum Documented Contaminant Concentrations -- Before and After Cleanup <br /> m Water (ppm) Contaminant Soil Before (ppm) Water (ppm) <br /> Contaminant Soil Before (pp ) After Before After <br /> After Before After <br /> TPH(Gas) � 580 ND 0.19 ND Xylene.. 0.49 ND 0:58 ND . <br /> NA .1 NA Ethylbenzene 0.56 ND ND ND <br /> TPH(Diesel) NA NA <br /> Benzene 0.52 ND 0.19 ND Oil&Grease NA NA NA NA <br /> Ben <br /> Toluene 0.52 ND 0.22 ND Hea*Metals NA NA NA ND <br /> MTBE` NA ND NA <br /> Comments: BEFORE RESULTS FROM TANK PULL;AFTER RESULTS FROM 01/04/02 GEOPROBE INVESTIGATION. <br /> IV. Closure <br /> Does completed corrective action protectpxisting beneficial useper the Regional Board Basin Plan?YES <br /> Does completed corrective action protect,potential beneficial uses per the Regional Board Basin Plan? YES <br /> Does corrective action protect public health for current land,use? YES <br /> Site management requirements: NONE <br /> Should corrective action be reviewed if land use changes?YES <br />. MonitoringNapor wells decommissioned 0 Number Decommissioned: 0 Number retained: 0 <br /> List enforcement actions taken: NOR <br /> List enforcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> 4 Name: MARGARET LAGORIO, REHS Title: SUPERVISOR, SITE MITIGATION UNIT <br /> Signature: Date: `� �✓ <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: Response Date: <br /> RB Staff: MARTY HARTZELL Response: <br />} Title: ASSOCIATE ENGINEERING GEOLOGIST <br /> VII. Additional Comments, Data, etc. <br /> This document and the related CASE CLOSURE LETTER, Shall be retained by the lead agency as part of the official <br /> site file. <br />