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a <br /> Case Closure Summary Page 2 <br /> Leaking Underground Fuel Storage Tank 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) 1,500 ND NA ND Xylene 240 ND NA ND <br /> TPH(Diesel) ND ND NA ND Ethylbenzene 44 ND NA ND <br /> Benzene 25 ND NA ND Oil&Grease ND ND NA ND <br /> Toluene 110 ND NA ND Heavy Metals NA NA NA ND <br /> MTBE NA ND NA ND <br /> Comments: 'BEFORE' QUANTITIES FROM THE TANK PULL ANALYTICAL, 05102190: `AFTER' QUANTITIES FROM <br /> THE CPT INVESTIGATION, 02/15102. <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 /> List enforcement actions taken: NOR <br /> List enforcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> Name: DONNA HERAN Title: DIRECTOR OF ENVIRONMENTAL HEALTH <br /> Signature: Date: 6_2-4,-a 7-- <br /> Vi. <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: 5122102 Response Date: 6112102 <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 />