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. ,. ^-ase Closure Summary Page 2 <br /> Leaking. sderground Fuel Storage Tank Pram <br /> 1III. Release and Site Charact izatioa Information (continued) <br /> 71 <br /> Maximum Documented Contaminant Concentrations--Before and After Cleanup <br /> Water (ppm) Contaminant E soil (ppm) Water (ppm) <br /> Contaminant Soil (ppm) ; Before After '.Before. After <br /> Before After Before After <br /> ii 3 ND .0004 ND <br /> TPH (Gas) 23 ND ND ND xylene E <br /> TPH (Diesel) EthylbenaeneE; ND ND .00(}7 ND <br /> Benzene ND ND .0003 ND oil & Grease <br /> i1 Toluene ND ND .0008 ND Heavy metals (lead) 6.9 .260 ND <br /> Other <br /> other <br /> ' Comments (Depth of„Remediation, etc.): <br /> 11 Contaminated soil excavated to a depth of 17 feet. <br /> IV. Closure + ' <br /> M=1 <br /> ted corrective action protect existing beneficial uses per the Regional Board <br /> (Yes) €; No <br /> ted corrective action protect potential beneficial uses per the Regional Board <br /> (Yes) No <br /> ctive action protect publichealth for current land use? (Yes) No <br /> ement xequiremsnts: lvaae <br /> i <br /> should corrective :action be reviewed if land use changes? Yes (No) <br /> 1 Monitoring wells Decommisioned: Yes (No) Number Decommisicned: Number Retained: 3 <br /> List enforcement actions taken: NOR sent 11/27/91 <br /> List enforcement actions rescinded: <br /> 3 <br /> i } <br /> V. Local AgencyRepresentative Data <br /> Ej <br /> Name. D0 gEgp,N Title: DIRECTOR OF ENVIRONMENTAL HEALTH <br /> Signature: ,� � �_ Date: 0 — <br /> VI. RWQCB Notification <br /> Date submitted to RB: RB Response: <br /> RWQCB Staff Name: Title: Date: <br /> VII. Additional Comments, Data, etc. , <br /> I; <br /> 1 monitoring wells will be destroyed after concurrance or no comment 30 days from the <br /> 1 date of submission of this summary to CVRWQCB. <br /> This document and the related CASE 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 />