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Leaking- tderground Fuel StorageTankP-; -am <br /> III. Release and Site Chara< lzation Information (continuec <br /> `Maximum Documented ContaminanNr"Concentratzons--Before and Aftel�Cleanup <br /> I <br /> ; Contaminant ( Soil (ppm) ( Water (ppm) Contaminant Soil (ppm) Water (ppm) <br /> (Before After is Before After Before After Before After <br /> �TPH (Gas) 6100 13 <.050 <.050 Xylene 1870 1.3 .001 I<.0005 <br /> TPH (Diesel) 2000 <10 - - Ethylbenzene 280 .34 <.0005 <.0005 <br /> Benzene 11.5 .21 .0037 <.0005 Oil & Grease - <br /> ,Toluene 430 2.6 .0021 <.0005 Heavy metals - - _ <br /> Other Other LEAD 83 9.3 - <br /> Comments (Depth of Remediation, etc.) : <br /> ( SOIL CONTAMINATION WAS EXCAVATED TO 39 FEET. 67 CUBIC YARD IS THE ESTIMATED RESIDUAL <br /> ISOIL CONTAMINATION AT 4.38 PPM AVERAGE TPR. <br /> I i <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per the Regional Board <br /> ( Basin Plan? (Yes) No <br /> 1 <br /> iDoes completed corrective action protect potential beneficial uses per the Regional Board <br /> ( Basin Plan? (Yes) No <br /> iDoes corrective action protect public health for current land use? (Yes) No <br /> I <br /> jSite management requirements: NONE <br /> i <br /> Should corrective action be reviewed if land use changes? Yes (NO) <br /> I <br /> Monitoring wells Decommisioned: Yes (No) (Number Decommisioned: Number Retained: 3 <br /> List enforcement actions taken: NOTICE OF REIMBURSEMENT SENT 08/15/89 <br /> i <br /> I <br /> i <br /> 'List enforcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> Name: DO RERAN jTitle: DIRECTOR OF ENVIRONMENTAL HEALTH <br /> Signature: I Date: <br /> VI. RWQCB Notification <br /> Date Submitted to RB: r 19RB Response: <br /> RWQCB Staff Name:E THAYER ITitle:ASSOC ENGINEER (Date: <br /> VII. Additional Comments, Data, etc. <br /> ' ONCE THE CVRWQCB 30 DAY COMMENT PERIOD IS OVER AND IF THE CVRWQCB DOES NOT REQUEST <br /> !ADDITIONAL TIME FOR REVIEW OR DOES NOT OBJECT, PHS/EHD WILL DIRECT THE RESPONSIBLE <br /> I <br /> PARTIES TO DESTROY THE 3 MONITORING WELLS AND SITE CERTIFICATION/CLOSURE WILL BE WIL BE � <br /> ; ISSUED. <br /> I <br /> This document and the related CASE CLOSURE LETTER, Shall be retained by the lead agency <br /> as hart of the official site file. (08/24/93) <br /> Exhibit N Page 2 of 2 <br />