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NT <br /> 1111 � gTES IIII University of californi, <br /> OAKLAND OPERATIONS OFFICE - 7 �' Lawrence Livennore <br /> `` National Laboratory <br /> November 7,2000 <br /> DISTRIBUTION: <br /> SUBJECT: Notice of Completion for Class 1 Modifications to Hazardous Waste Mana ement <br /> Interim Status Units at 514,the Area 612 permitted facility, g <br /> Part A for the Lawrence Livermore National Laboratory, Livermore,Cali orniatus <br /> (Reference EPA ID. No. CA 2890012584) <br /> Pursuant to Title 22 of the California Code of Regulation(22CCR),Section 66270.42 (a) (1) B <br /> interested parties are hereby notified that Lawrence Livermore National Laboratory(LLNL) and the <br /> ( )� <br /> Department of Energy(DOE)have completed Class 1 Modifications to Hazardous Waste <br /> Management Interim Status Units at 514,the Area 612 permitted facility,and <br /> the InStatus (ISD) <br /> Part A for the Livermore Main Site. Brief descriptions of the modifications and as otciat d completion <br /> dates are as follows: <br /> p o <br /> • upgrade of level sensors with functionally equivalent components in the Area 514 <br /> Tank Unit,completed Friday,.August 18,2000, P Quadruple <br /> • upgrade of fan controls on the Area 514-1 Evaporation Unit by enclosing the external <br /> condensers with insulated metal housing,completed Wednesday,September 20,2000, <br /> • informational change consisting of corrections to the secondary containment calculations for <br /> the Building 612 Size Reduction Unit(SRU) and Container Storage Unit(CSU),completed <br /> Tuesday,September 26,2000, <br /> • administrative correction to remove the carbon adsorption unit listed for acid gas treatment <br /> from the EPA Part A Form in the approved ISD Part A,completed Tuesday,September 26, <br /> 2000,and, <br /> • correction of a typographical error in the ISD Part A which consists of adding Form Codes 506 <br /> and 507 in Table E of the ISD Part A for consistency with Tables 1 and 3 of the approved <br /> Waste Analysis Plan (WAP),as well as Table D of the ISD Part A,completed Tuesday, <br /> September 26,2000. <br /> The initial notice of proposed modifications to Hazardous Waste Management Interim Status Units at <br /> 514,the Area 612 permitted facility,and the ISD Part A for the Livermore Main Site,was submitted in <br /> writing.to the Department of Toxic Substances Control (DTSC) on November 22, 1999,and was <br /> received by the DTSC on November 24, 1999. All proposed page replacements applicable to the Class 1 <br /> modification requests mentioned above,were submitted to the DTSC as part of the initial November <br /> 22, 1999 notice. LLNL's records and public binders were updated on September 26,2000 to reflect the <br /> modifications. <br /> Questions regarding the subject modifications may be referred to Bert Heffner, LLNL Manager, <br /> Environmental Community Relations at(925)424-4026 or via the Internet at hefftierl@llnl.gov. <br /> Harry L. Oalles, Department Head <br /> Department Daniel N.Nakahara, Director <br /> Environmental Protection De <br /> P Livermore Environmental Programs Division <br /> Lawrence Livermore National Laboratory Oakland Operations Office <br /> U.S. Department of Energy <br /> HLG:TTK:VJS/obk <br />