Group 10 - Cross-Category Items

A. Collectively Significant Related Occurrences

Unusual Occurrence

A series of related occurrences which individually do not warrant reporting under preceding criteria but which collectively are considered significant enough to warrant reporting as determined by the Facility Manager.

Off-Normal

A series of related occurrences which individually do not warrant reporting under preceding criteria but which collectively are considered significant enough to warrant reporting as determined by the Facility Manager.

B. Near Miss Occurrences

Unusual Occurrence

A near miss to one of the reporting classifications under preceding categories where the conditions necessary to cause an Unusual Occurrence existed (i.e., all barriers to event initiation were compromised).

Off-Normal

  1. A near miss to one of the reporting classifications under preceding categories where the conditions necessary to cause an Off-Normal Occurrence existed (i.e., all barriers to event initiation were compromised).
  2. A near miss to one of the reporting classifications under preceding categories where the conditions necessary to cause a reportable occurrence were prevented from existing by one remaining barrier after other barriers had been compromised (i.e., one additional independent failure/degradation was necessary for event initiation to be possible).

C. Potential Concerns/Issues

Unusual Occurrence

  1. An occurrence that may result in a significant concern, by the press or general population, particularly in the offsite transportation and radiological areas, or could damage the credibility of the Department.
  2. Identification of potential concerns or issues that are deemed to be worthy of reporting by the Facility Manager.

Off-Normal

  1. Any event resulting in the initiation of a Type A or B investigation as categorized by DOE O 225.1, ACCIDENT INVESTIGATIONS.
  2. Identification of potential concerns or issues, that are deemed to be worthy of reporting by the Facility Manager

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