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AWWA MTC64513

AWWA MTC64513 Advanced Concepts in Direct Integrity Testing under LT2ESWTR

Conference Proceeding by American Water Works Association, 03/01/2007

Allgeier, Steven C.

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An overview of Direct Integrity Testing defines it as a physical test applied to a membraneunit in order to identify and isolate integritybreaches.The purpose of DIT is to confirm theremoval efficiency of a membrane system ata level commensurate with the log removalcredit (LRC) awarded to the process. The objectives of this slide presentation include: review the requirements for direct integritytesting under LT2ESWTR;present key concepts for direct integrity testing;describe methods for establishing resolutionand sensitivity for pressure- and marker-basedDITs; and,describe methods for converting pressure decayresults to LRVs. Includes table, figures.

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