Browns Ferry reviews the Histogram for each unexpected dose rate alarm. In addition the worker is locked out of the RCA until the investigation is complete.
I would estimate it at occasional. From: [email protected] [mailto:[email protected]] On Behalf Of Whitener, Christopher A Sent: Saturday, September 11, 2010 10:20 AM To: [email protected] Subject: Powernet: Dropped EDs causing Dose Rate Alarms Please categorize the volume of dose rate alarms attributed to "dropped" EDs: (1) Infrequent (< 20%) (2) Occasional (>20% and <40%) (3) Frequent (>40%) Also, do you review each histogram for unexpected dose rate alarms? Thanks for your response.
