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f <br /> t � w <br /> Case Closure Summary Page 2 <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 /> I <br /> Contaminant Soil (ppm) Water (ppm) Contaminant Soil (ppm) Water (ppm) <br /> Before After Before After Before After Before After <br /> TPH (Gas) 2200 1600 ND ND Xylene 1000 2.381 ND ND <br /> TPH (Diesel) N/A N/A ND ND Sthylbenzene 230 .44 ND ND <br /> Benzene 34 0.4 ND ND Oil & Grease N/A N/A ND ND <br /> Toluene 420 1.33 ND ND Heavy metals N/A N/A ND ND <br /> Other N/A .. N/A ND ND Other N/A N/A ND ND <br /> Comments (Depth of Remediation, etc.) : <br /> SOIL ONLY; TANK AREA OVEREXCAVATED AND SOIL AERATED ON SITE <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per the Regional Board <br /> Basin Plan? (Yes) No <br /> Does completed corrective action protect potential beneficial uses per the Regional Board <br /> Basin Plan? (Yes) No <br /> Does corrective action protect public health for current land use? (Yes) No <br /> Site management requirements: <br /> Should corrective action be reviewed if land use changes? (Yes) Na <br /> Monitoring wells Decommisioned: (Yes) No Number Decommisioned: 3 Number Retained: 0 <br /> List enforcement actions taken: <br /> NOTICE OF REIMBURSEMENT SENT/PLACED INTO LOP <br /> List enforcement actions rescinded: <br /> V. Local Agency Representative Data <br /> Name: DONNA FERAN Title: DIRECTOR OF ENFIRONMENTAL HEALTH <br /> Signature: y Data: S <br /> VI. RWQCB Notification <br /> Date Submitted to RB: RB Response: <br /> RWQCB Staff Name: Title: Date: <br /> VII. Additional Comments, Data, etc. <br /> SOIL ONLY <br /> This document and the related CASS CLOSURE LETTER, Shall be retained by the lead agency <br /> as part of the official site file. (08/24/93) <br /> ~'�� Exhibit N Page 2 of 2 <br />