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�. zxniAit N Page Z of 2.� <br /> Case Closure Summary Page 2 <br /> "` Leaking Underground Fuel Storage Tank Program <br /> III. Release and Site Characterization Information (continued) <br /> s <br /> Maximum Documented Contaminant Concentrations--Before and After Cleanup <br /> Contaminant Sail (ppm) Water (ppm) Contaminant ISoil (ppm) Water (ppm) <br /> Before After Before After Before After Before After <br /> TPH (Gas) 2,200 ND Xylene 1370 ND <br /> TPH (Diesel) Ethylbenzene 76 ND <br /> Benzene 6.5 .023 Oil & Grease <br />€ Toluene 140 .009 Heavy metals } <br /> Other Other <br /> Comments (Depth of Remediation, etc.) : <br /> Borings-30 feet Excavation-27 feet i <br /> IV. Closure <br /> Does completed corrective action protect existing benefiii cial uses per the Regional Boar <br /> Basin Plan? Yes <br /> Does completed corrective action protect potential beneficial uses per the Regional Boa d� <br /> Basin Plan? Yes <br /> Does corrective action protect public health for current{, <br /> land use? Yes I� I <br /> Site management requirements: <br /> l Should corrective action be reviewed if land use changes? No II <br /> Monitoring wells Decommisioned: No Number Decom��nisianed: Number Retained: <br /> List enforcement actions taken: '6 <br /> Site placed in LOP �} <br /> List enforcement actions rescinded: <br /> 7 <br /> V. Local Agency Representative Data <br /> Name: - Title: , <br /> 1reG-For <br /> Signature: ' l; Date: 04/07/94 <br /> VI. RWQCB Notification i} <br /> Date Submitted to RB: RB Response: <br /> RWQCB Staff Name: Title: � Date: <br /> VII. Additional Comments, Data, etc. <br /> i# <br /> y s <br /> This document and the related CASE CLOSURE LETTER, Shall'fbe retained by the lead agency <br /> as part of the official site file. (08/24/93) <br /> =I <br /> Exhibit N Page 2 of 2 !t <br />