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SENT BY:LLNL ; 9-29-95 ; 8:07AM ; 51042224704 812084640138;# 3 <br /> f&Susan Timm <br /> California Regional Water Quality Control r3oard <br /> CQntral Valley-Region 5 <br /> Striiect: UrNfIcIal Meuse sof Diesel Fuel Contaminated Soil After Sioreomediutlon <br /> I <br /> goal (25 mg/L), this project is Included in the 500 cubic yards of soil because we have <br /> reason to believe that this soil pita was poorly characterized and contains actual <br /> contamination above 15 mrd. <br /> The bioremediation will be performed in the large flat <br /> graded area south of Building 865. <br /> Soil, bacteria, and nutrient components will be mixed using s mechanical mixer and <br /> discharged into piles where the bacteria will consume the diesel fuel. Treatment will be <br /> complete when the final concentration of diesel fuel is less than 25 mg/kg TRH-D. The <br /> expected time to completion is less than thirty days. <br /> �13�.�.seus�Proje+c <br /> After the completion of the soil bioremediation, the 500 cubic yards of sail will be used to <br /> extend the Corporation Yard across from Building 801. The proposed site is spawn in <br /> Attachment 2. Attachment 3 is a detailed drawing of the project site. The soil will be <br /> moved to the Building 801 Corporation Yard where It will be compacted and graded <br /> consistent with the contours of the existing 30 foot slope. The slope will be stabilized to <br /> minimize any runoff from the project site. The current Corporation Yard consists of <br /> packed and graded soil. No gravel or asphalt surface has been applied. The <br /> Corporation Yard is only used for long term storage of equipment such as steel and <br /> concrete blacks and short term storage of some mobile equipment. No liquids or wastes <br /> are stored at this siva. <br /> This project has been 4Diane Hinson of Ban uln County Public Health <br /> Services, who oversees tank removal projects at Site 300IThe project starts upon your <br /> approval. Please let us know if we may proceed with the proposed project. If you have <br /> any questions regarding the project, please call Karen Folks at (5t 0) 42.2-2367. <br /> Sincerely, <br /> i <br /> C. Susi Jackson, Leader <br /> Qpemtlons and Regulatory Affairs Division <br /> Attachments <br /> I <br /> cc: Edward Ballard, DOEIt_S+D, L-574 <br /> Mike grown, DOE/LSO, L--574 <br /> Steve Black, DOE/OAK <br /> Pamela Barksdale, CVRWQCB <br /> L► <br /> WGMG95A37-C8J;KF.gefn <br />