Improving Operations and Long-Term Safety of the Waste Isolation Pilot Plant Final Report (2001) / Chapter Skim
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1. Introduction
1. Introduction
Pages 7-19
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Transuranic waste contains alpha-emitting radionuclides that have atomic numbers greater than 92, the atomic number of uranium, the heaviest natural element. The WIPP Land Withdrawal Act (LWA)
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INTRODUCTION .. , ~ Figure 1.1 Location of the WIPP site.
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10 lo lo lo Cal A o C)
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.. 200 —400 2000 2500 3000 35004000 _ 4500— - 600 - 800 - 1 000 - 1200 - 1400 Figure 1.3 WIPP stratigraphy and depths of four key formations (Castile Formation, Salado Formation, Rustler Formation, and Dewey Lake Red Beds)
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in May 1998, and received its first transuranic waste shipment from the Los Alamos National Laboratory in March 1999. The first out-of-state shipment was received in June 1999 from the Rocky Flats Environmental Technology Site, and in September 2000, the first mixed-waste shipment was received from the Idaho National Engineering and Environmental Laboratory (INEEL)
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According to the National TRU Waste Management Plan, the disposal of RH waste will not begin before early 2002 (DOE, 2000a)
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... ,.T, T:Figure 1.4 Radiography of a transuranic waste drum.
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This technique is called "performance assessment." Performance assessment (PA) is a multidisciplinary, iterative, analytical process that begins by using available information that characterizes the waste and the disposal system (the design of the repository, the repository seals, and the natural barriers provided by the host rock and the surrounding formations)
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The issues and their uncertainties are discussed in Chapter 2 as site performance and site characterization issues. THE NATIONAL TRANSURANIC PROGRAM The National Transuranic Waste Management Plan, also known as the National TRU Program, is a plan that organizes the activities concerning storage, characterization, packaging, handling, transporta4 Active institutional controls imply restrictions on land access or use.
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~and B~(right) Complementary cumulative distribution functions resulting from the performance assessment.
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The goals of the National TRU Program are the following: · achieving regulatory compliance among all the sites, · reducing risk while maximizing rate of TRU waste disposal, · reducing mortgage costs by closing the generators' sites as soon as possible, and · using the WIPP effectively by coordinating the shipments with the repository's waste-handling and disposal capabilities. The issues considered in this report relate primarily to waste characterization and packaging and waste transportation.
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