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Closure Plan Outline (Cont 'd) <br /> accordance with the Defense Reutilization and Marketing <br /> Office , 4160 . 21M, as required per the Department of <br /> Defense . <br /> The tank shall be disposed of by the Contractor in a <br /> Class 1 landfill . Proof of tank disposal in a <br /> Class I landfill shall be required from the Contractor <br /> and shall be submitted to the Contracting Officer . The <br /> Contractor shall meet disposal requirements , as identified <br /> per the State of California , California Administrative <br /> Code , Title 22 , Division 4 . <br /> C . Approximate distance to off-site TSDF : <br /> Approximately 200 miles to a designated landfill. <br /> III . DECONTAMINATING THE FACILITY . <br /> — A. Area of facility with potential soil contamination (sq . yd) : <br /> 1 . List areas with potential contaminated soil : <br /> Unknown , pending tank removal and soil analysis . <br /> a . Number of soil samples , if necessary: <br /> One soil sample shall be taken from a depth of three <br /> feet directly under the tank . Sample shall be obtained <br /> immediately upon tank removal (please see Enclosure 5) . <br /> b . Criteria for determining contamination : <br /> All sampling will meet the Environmental Protection <br /> Agencies sampling methodology . Soil samples shall be <br /> tested pet the following EPA methods: 8010 - <br /> Halogenated Volatile Organics ; 8015 - Aromatic <br /> Volatile Organics; 8020 - Non Halogenated Volatile <br /> Organics; 8080 - Organochlorine Pesticides and PCBs ; <br /> 8140 - Organophosphorous Pesticides ; 8150 - Chlorinated <br /> Herbicides , P. H . , Methyl Ethyl Ketone . <br /> 2 . Estimated depth of soil requiring removal : <br /> Unknown , pending tank removal and soil analysis . <br /> 3 . Total amount of contaminated soil (cu . yd . ) : <br /> a . Amount of contaminated soil disposed on-site : <br /> None . No on-site disposal will occur . <br /> b . Amount of contaminated soil removed off-site : <br /> Unknown , pending tank removed and soil analysis . <br /> 4 <br />