A question for those of you that have implemented NISP RP-4, Posting and 
Labeling. Given the guidance in section 3.2 - keeping within the NISP, how 
would you post a contaminated area that is greater than 10,000 dpm/100 cm2 and 
contained within a contaminated area that is less than 10,000 dpm/100cm2? For 
example: On the refueling deck during an outage you have a bullpen set up to 
receive material coming out of the cavity with contamination levels around 50K 
dpm/100cm2. The Containment building is posted as a Contaminated Area.  Would 
you double post CA/RPBRFE, just RPBRFE or something else? Thank you for your 
time.


[cid:image001.png@01D3CC07.B5BCE810]




Greg Ferrigno
HP General Supervisor, Technical
STP Nuclear Operating Company
12090 Farm Road 521
Matagorda County
Wadsworth, TX 77483
361.972.4620 office -- 951.816.9563 cell
[STP2]


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