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Workshop Overview
Pages 4-5

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From page 4...
... Although there have been instances of failures of surface barriers, there are locations where barriers have been effective generally in their application to a range of waste site remediation conditions. Some of the failures are associated with applying a technology to a site where the design parameters are inconsistent with site conditions, others may be the result of a lack of well-defined performance standards having good quality assurance and quality control metrics, or of poor construction practices.
From page 5...
... techniques for monitoring migration of contaminants contained by barriers and for detecting defects in barriers. Participants discussed the challenge of pursuing innovative containment technology within the DOE waste complex, addressing both regulator and stakeholder skepticism associated with unproved approaches, plus the need for selecting experienced contractors within the DOE procurement system.


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