6.4.2 Surveillance Parameters
The following parameters shall be included in non-destructive package surveys:
1. For oxide bearing material, indication of internal pressure build-up in the inner
2. The weight of each Package in the surveillance sample.
3. Indications of leakage and/or degradation.
6.4.3 Evaluation of Surveillance Data
1. Surveillance data from an inspection shall be compared against the baseline
measurements to identify any changes.
2. If at any time an unexpected change in a Package is noted, an evaluation shall be
performed and corrective action taken as appropriate. This evaluation shall include,
as appropriate, 1) options for opening the Package, 2) consideration for inspecting
other similar Packages, based on factors such as contents, origin, and date of
closure, and 3) assessment of potential consequences.
6.5.1 Data Base
An electronic data base shall be maintained as a source of relevant information about
stored materials and packages. This data base may consist of several files (which, in
themselves, may be data bases), some of which may be classified. For completeness,
the data base should be coordinated and generally compatible with the MC&A data
6.5.2 Data base content elements
1. The data base shall include, as a minimum, available information on the following
1) Chemical and physical form;
2) Best available isotopic distribution including all actinides, and the effective
date(s) of analysis;
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