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work plan for soil remediation, sampling and analysis plan, site ...

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OHM6.4 DISPOSALRemediationServices Corp. WORK PLANAnalytical data obtained during previous investigations at Site 35 indicated the presence ofpetroleum hydrocarbon contaminated <strong>soil</strong> around the <strong>for</strong>mer fuel farm ASTs <strong>and</strong> <strong>for</strong>mer USTsadjacent to Building G&O. Based on the limits of excavation identified on Drawings C-l, C-2, <strong>and</strong> C-3 of the drawings including in NAVFAC Specification No. 05-94-4833, <strong>and</strong> “TheFinal Basis of Design,” it has been estimated that 3,600 cubic yards of contaminated <strong>soil</strong> <strong>and</strong>5,500 cubic yards of uncontaminated <strong>soil</strong> will be excavated <strong>for</strong> a total of 9,100 cubic yards of<strong>soil</strong> removed from the excavations.6.4.1 Characterization of WastestreamsBased on the in<strong>for</strong>mation provided to OHM in the Basis of Design prepared by BakerEnvironmental, No. 6 fuel oil, unleaded gasoline, diesel fuel, <strong>and</strong> kerosene are thecontaminants of concern. All excavated <strong>soil</strong> will be characterized by TPH (5030/8015) <strong>and</strong>TPH (3550/8015) to determine if <strong>soil</strong>s will be used as backfill or routed to an off-<strong>site</strong> thermaltreatment facility.The NTR will have the ultimate approval to route the <strong>soil</strong> based on the remedial goals <strong>and</strong>recommendations from OHM.Each 200-yard stockpile will be analyzed. If analytical results show TPH (5030/8015) greaterthan 40 mg/kg <strong>and</strong> TPH (3550/8015) greater than 160 rngflrg <strong>and</strong> TCLP regulatory limits arenot exceeded, material will be disposed off-<strong>site</strong> at an appropriate thermal treatment/recyclingfacility. If the TCLP limits are exceeded, the material will have to be h<strong>and</strong>led by a permittedhazardous waste facility. Soils that are confirmed to have less than 40 mg/kg TPH(5030/8015) <strong>and</strong> less than 160 mg/kg TPH (3550/8015) <strong>and</strong> all TCLP data is below regulatorylimits, may be used as backfill with NTR approval.6.4.2 Waste Disposal ApprovalOHM will assign a Transportation <strong>and</strong> Disposal (T&D) Coordinator to this project acting as asingle point-of-contact <strong>for</strong> all waste management activities. The individual assigned to thisproject will be familiar with all the applicable portions of RCRA, CERCLA, <strong>and</strong> SARAregulations--especially 40 CFR 261 (Identification <strong>and</strong> Listing of Hazardous Wastes). Inaddition this individual will be familiar with the North Carolina regulations relating tohazardous <strong>and</strong> solid waste h<strong>and</strong>ling, treatment, storage, disposal, <strong>and</strong> transportation. Thisindividual will review the analytical data reported by Baker Environmental <strong>and</strong> by OHM <strong>and</strong>obtain pre-approval from the appropriate disposal facilities to allow direct load out of excavated<strong>soil</strong>s. The T&D Coordinator will also be responsible <strong>for</strong> preparing waste profiles to theselected disposal facilities <strong>and</strong> coordinating disposal approvals.OHM Project 16487WP <strong>work</strong> Plan May 1995In<strong>for</strong>mation herein is pmprietary <strong>and</strong> confidential <strong>and</strong> to be used of released to others only with explicit wtittm permission of OHM Remediation ServicesCorp.6-4

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