Environmental Management Technology-Development Program at the Department of Energy 1995 Review (1996) / Chapter Skim
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SUBCOMMITTEE ON LANDFILLS
SUBCOMMITTEE ON LANDFILLS
Pages 33-48
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From page 33... ...
2. Greater effort in long-term performance testing and monitoring of engineered continent techniques and systems, including covers, caps, barrier walls, and floors, is encouraged.
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From page 34... ...
Preliminary Findings, Observations, and Recommendations Scope of DOE Landfills Focus Area The Lantlfill.c Foals Area has defined its scope as that of technology development appropriate for DOE lanclfill needs. Improvements in technical methods
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From page 35... ...
Examples of information gathering activities include the International Containment Technology Workshop (Au~ 29-31, 1995, in Baltimore, Md.) , the 12 U transuranic9, TRU Mixed, arid Mixed Low-Level Waste Treatment Technologies Technical Peer Review meeting (November 13-15, 1995, in Dallas, Tend, and the Nor - Desbuctrve Assay and No~Destn~ctive Evaluation (NDA/NDEj workshop (January 2~26, 1996, in Pittsburgh, Pay.
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From page 36... ...
Interaction with technology developers and a site selection process are involved The SubGo~r~ttee on Landfills endorses the new approach to DOE technology development begun in 1994 wad formahon of the focus area structure, and the work of the ~ andfills Focus Area in their efforts to implement this new approach Strategic Planning, Programmatic Goals, and Performance Measures A problem~olving orientation for technology development is advocated The development, demonstration, and implementation of environmental repudiation technologies should be focused on the problems of the DOE sites. Implementing a problem-onented technology~evelopment plan encompasses the following: · problem identification and pnoritization; .
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From page 37... ...
Regulatory Aspects Impacting the Landfills Focus Area One way to view landfill-remediation needs is to understand the regulatory requirements for legal closure at a landfill site. Any existing or potential releases of hazardous chemicals andJor radioactive waste to the environment makes a site eligible for consideration in the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)
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From page 38... ...
Regulators have been described as reluctant to participate In technology development, or to endorse a technical method, prior to its Dill development, and such caution is understandable. Technology developers can be Grated not knowing whether technical progress will translate into the regulatory acceptance required for deponent Technology seminars with state and local regulators would help expand their knowledge of the applicability of new and existing remedial technologies.
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From page 39... ...
The question is raised whether present technical methods can supply this information adequately, without costly drilling and sampling. An example of a significant omission with present techniques is an underground storage tank at Fernald that was not discovered dunug site charactenzation; its later discovery required adjustments to the remediation strategy.
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From page 40... ...
Field e~enence, modeling, and testing of vadose zone transport have established a suitable technical basis for design and implementation 7. Thermal Enhanced Soil Vapor Extraction.
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From page 41... ...
These include the uansuranic (1RU9, TRU Mixed, and Mixed Lo~Level Waste Treatment Technology Technical Peer Review meeting (November 13-15, 1995, in Dallas, Tend, the Nondestructive Assay and NonDestructive Evaluation workshop ~DA/NDEj (~Ianu~y 25-26, 1996, in Pittsburgh, Pa.) , and the Very Early Time Electromagnetic (VETEM)
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From page 42... ...
However, little is known at present about long-term performance of presently engineered bamer walls and caps. Arguably, the most long-term data on present cap design are on vegetated caps, installed in the mid-1980's (Schulz et al., 1995~; He DOE Hanford Site Permanent Isolation Surface Banner work (Cadwell et al., 19931; and the DOE Uranium ~11 Tailings Remedial Amon Program HAPS work (Zellmer, 1981; Swoons and Gee, 1981; Gee et al., 1984; Mayer et al., 1981a; Cline et al., 1982; Voorhees et al., 1983; Beedlow, 1984; and Mayer et al., 1981b)
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From page 43... ...
Work Hat tracks He progress of technical work in this area can be used as a reference to establish DOE criteria for selecting both He material and the method of application. The results of these two studies should establish knowledgeable Climates on the relevant time scale and degree of containment achieved by containment and stabilization methods.
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From page 44... ...
1993. Hanford Site Permanent Isolation Surface Barner Development Program: Fiscal Year 1992 and 1993 Highlights, prepared by Pacific Northwest Laboratory Operated for Me U.S.
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From page 45... ...
1981a Moisture Content Analysis of Covered Uranium Mill Tailings, prepared by Pacific Northwest Laboratory Operated for the U.S. Department of Energy by Battelle Memorial Institute under Contract DE-AC06 76RL0 1830, UMT~207, PAL - 132, UC-70.
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From page 46... ...
1981. Simulation of Water Flow and Retention in Earthen Cover Materials Overlying Uranium Mill Tailings, prepared by Pacific Northwest Laboratory Operated for the U
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From page 47... ...
1981. Stability of Muldlayer Earthen garners Used to Isolate Mill Tailings: Geologic and Geoterhnological Considerations, prepared by Pacific Northwest Laboratory Operated for Me U
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