[ RadSafe ] radilogical postings

Redmond, Randy (RXQ) redmondrr at y12.doe.gov
Fri Dec 1 09:01:43 CST 2006


10CFR835 (DOE) contains definitions for Contamination and High
Contamination Areas.  In the DOE world there isn't a
recognized/regulatory hierarchy.  We developed our own based on what we
(radiological control) considered the most significant hazard (and
hazard recognition by our personnel) and our operations.

Randy Redmond
BWXT Y-12 Radiological Engineering 

-----Original Message-----
From: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl] On
Behalf Of Doug Coble
Sent: Friday, December 01, 2006 8:31 AM
To: mailman at radlab.nl; radsafe at radlab.nl
Subject: [ RadSafe ] radilogical postings

> To all,
> I am currently revising and updating my companies procedures to meet 
> the requirements set forth in 10 CFR 20. The current procedure that I 
> am working on is for Posting and Labeling of radioactive materials and

> areas based on conditions.  In my past experience, I recall that there

> was a hierarchy for posting areas with multiple hazards.  I would like

> to put this in the procedure. My question is; is there a credible 
> reference available that delineates the hierarchy for posting?  
> Example: An area or room is an airborne radioactivity area, a high 
> radiation area, and a high contamination area.  Which hazard should be

> listed on the posting first, second, and third?
> Additionally, are there any non DOE regulations, technical positions, 
> or other references that define a contamination area, or high 
> contamination area?  Under 10 CFR 20, these particular postings do not

> appear to be recognized or required.
> Thanks in advance,
> D. Coble

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