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QVVI UT-LUIL r ,—H-9b ; 8:07AM f bI04222470- U12UM401384 2 <br /> LUMnLim" NabonallaboIntory <br /> Ms. Susan Timm <br /> California Regional Water Quality Control Board <br /> Central Valley- Region a <br /> 3443 Rauber Road, Suite A <br /> Sacramento, CA 95827,3008 <br /> Dear Ms.Timm: <br /> Subject. Beneficial Reuse Of Diesel Fuel Contaminated Soli <br /> After Bloremediation <br /> This letter provides information you requested regarding Lawrence Livermore National <br /> Laboratory's (LLNI-) proposed diesel contaminated soil bloremedlation and beneficial <br /> 111u,919 Ir011Ict, You requested this information at the conclusion Of a series of telephone <br /> calls on May 25, May 30 and June So, 1995, with Karen Folks of y staff regard! this <br /> project, The information provided Includes a description of the b rn sta rig <br /> description of the proposed Project for rouse of the bioremediated <br /> project, a <br /> and detailed diagram of the project site. We believe this project is <br /> soil, and a general <br /> a consistent with the <br /> Central Valley Regional Water Quality Control Board's beneficial use proactive water <br /> quality limits, Is similar to previously approved projects, and meets California waste <br /> minimization objectives by providing an alternate use f6r soils which nomtallY would be <br /> disposed of at a landhil. <br /> LLNI- Experimental Test Site (Slte 300) has been in the Process of upgrading and <br /> replacing underground storage tanks from various locations at Site Soo. Some of the <br /> soil OXCavated as part of this project is contaminated With diesel fuel. In an attempt to <br /> accomplish waste minimization goals, Site 300 is proposing to reduce the diesel <br /> contamination in the dirt by using bloremidatlon technology and rousing the <br /> bloremediated soil at Site 30o. <br /> Project <br /> "The Proposed bioremediation and beneficial reuse project conslM of a one time actlVIty <br /> to bloremedlate approximately Soo yards of diesel contaminated soil from tank <br /> excavations occurring at Buildings 827, 829, 834, 836, 865 and 871. The level of diesel <br /> fuel in soil ranges from 15 mg/kg to 6200 mg/kg TPH-D. No other contaminates have <br /> been identified in the soils proposed for bioremediation. Attachment I identifies: the site <br /> where the Wntaminated soil originated; the approximate,volumesof 11 generated f m <br /> each site; and the contamination levels for each of the soil plies 80 to <br /> proposed for use in this <br /> project. Though initial sample analytical data from the soil generated from the tank <br /> rernov:W at Building 836 (15 mg/kg) appears to be below the bloremediaton <br /> An VOK SOB L"nWro,CA TV&-91�JXZLLLVMR <br />