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Case Closure Summary PaG <br /> Leaking Underground Fuel Storage Tank gram <br /> Ili Release and Site Characterization Information (continued) <br /> Maximum Documented Contaminant Concentrations -- Before and After Cleanup <br /> Contaminant Soil (ppm) Water (ppm) Contaminant Soil (ppm) Water hfte <br /> m) <br /> Before After Before After Before After Before r <br /> TPH(Gas) 19.8 NO ND Xylene 2.88 NO NO <br /> TPH (Diesel) NA NA NA Ethylbenzene 0.25 ND ND <br /> Benzene 0.02 NO ND Oil &Grease NA NA NA <br /> Toluene 0.27 ND ND Heavy Metals NO NA NA <br /> MTBE NA 0.08 NO <br /> Comments: SOIL BEFORE RESULTS FROM TANK REMOVAL SAMPLES. SOIL AFTER RESULTS FROM 03/21/00 <br /> SOIL BORINGS, 20-FT SAMPLE, SOIL BORING ON 08/21/00 WAS ND FOR SOIL SAMPLES COLLECTED BELOW 20- <br /> FT BSG. WATER AFTER RESULTS FROM 08/21/00 BORING. <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: 0 Number retained: 0 <br /> LUstforcement actions taken: NOR <br /> forcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> Name: DONNA HERAN, REHS Title: DIRECTOR OF ENVIRONMENTAL HEALTH <br /> Signature: Date: <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: 1119101 Response Date: 2123101 <br /> RB Staff: MARTY HARTZELL Response: CONCURRENCE <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 />