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Case Closure Summary Page 2 - <br /> Leaking Underground Fuel Storage T Program <br /> Ill. Release and Site Characterization Information (continued) <br /> Maximum Documented Contaminant Concentrations--Before and After Cleanup <br /> Contaminant Soil Before (ppm) Water (ppm) Contaminant Soil Before (ppm) Water (ppm) <br /> After Before After After Before After <br /> TPH (Gas) 560 ND 0.19 ND Xylene. 0.49 ND 0.58 ND <br /> TPH (Diesel) NA NA NA NA Ethylbenzene 0.66 ND ND ND <br /> Benzene 0.52 ND 0.19 ND Oil&Grease NA NA NA NA <br /> Toluene 0.88 ND 0.22 ND Heavy Metals . -NA NA NA NA <br /> MTBE NA ND NA ND <br /> Comments: BEFORE RESULTS FROM TANK PULL;AFTER RESULTS FROM 01/04/02 GEOPROBE INVESTIGATION. <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per 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 /> Monitoring/Vapor wells decommissioned: '0 Number Decommissioned: 4 Number retained: 0 <br /> List enforcement actions taken: ,NOR <br /> List enforcement actions rescinded: NONEI <br /> V. Local Agency Representative Data <br /> Name: DONNA HERRN, RENS Title: DIRECTOR, ENVIRONMENTAL HEALTH'. <br /> DEPARTMENT <br /> Signature: Date:: -� -0 <br /> Vl. Central Valley Regional Water Quatity Control Board (RB) Notification <br /> Date Submitted to RB: 02120/02 Response Date: 03/11/02 <br /> RB Staff: MARTY HARTZELL Response: CONCURRANCE <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 />