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f: <br /> Case Closure Summary Pag <br /> Leaking Underground Fuel Storage Tank Program <br /> III 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 (ppm) <br /> After Before After <br /> Before After Before After Before ND <br /> TPH (Gas) 19.8 ND ND Xylene 2.88 ND ND <br /> TPH(Diesel) NA NA NA Ethylbenzene 0.25 ND NA <br /> Benzene 0.02 ND ND Oil i Grease NA NA NA <br /> Toluene 0.27 ND ND Heavy Metals ND NA ND <br /> MTBE ISA 0.08 <br /> Comments: SOIL BEFORE RESULTS FROM TANK REMOVAL SAMPLES. SOIL AFTER RESULTS FROM 03/21/00 <br /> 901L BORINGS, 20-FT SAMPLE. SOIL BORING ON 08/21/00 WAS ND FOR SOIL SAMPLES COLLECTED BELOW 20- <br /> FT BSG. WATER AFTER <br /> RESULTS FROM 08/21/00 BORING. <br /> IV. Closure <br /> Does compEEEE <br /> protect existing beneficial uses per the Regional Board Basin Plan?YES <br /> Does compprotect 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 List enforcement actions rescinded: NONE 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 /> 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 /> 3 - <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 />