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RE: Personal contamination goals



Well said, Rodney!

Paul B. Pollan, RRPT
Farley Nuclear Plant
Southern Nuclear Operating Co.
pbpollan@southernco.com

> -----Original Message-----
> From:	Rodney Bauman [SMTP:RBauman@wssrap.com]
> Sent:	Thursday, December 07, 2000 10:22 AM
> To:	Multiple recipients of list
> Subject:	RE: Personal contamination goals
> 
> 
> No, there are NOT significant radiation exposure issues involved.  Even
> for
> hot particles, the affected (i.e., irradiated) area is so small that
> biological significance is rarely a concern.  As a result, the
> requirements
> for recording and reporting of hot particle events have been accordingly
> relaxed.
> 
> Tracking of personnel contamination events is mostly a housekeeping
> indication and, if done properly, can provide indication of a breakdown in
> certain radiological controls.
> 
> Based on what Glen and Bill stated earlier, it seems that the power
> industry
> is using some common sense when dealing with personal external
> contamination
> events; i.e., acknowledging that some events are assumed risk and do not
> necessarily indicate a breakdown in rad controls.
> 
> Based on my experiences, a significant savings in TEDE can be realized
> through careful planning and control of protective clothing, even if
> personal contamination events may result.  Because, in a true TEDE-ALARA
> world, personal external contamination cannot compete with the dose rates
> within the channel-head of a steam generator, for example.
> 
> Rodney Bauman, CHP, RRPT
> rbauman@wssrap.com
> 
> -----Original Message-----
> From: Lester Slaback [mailto:Lester.Slaback@NIST.GOV]
> Sent: Thursday, December 07, 2000 8:46 AM
> To: Multiple recipients of list
> Subject: re: Personal contamination goals
> 
> Why are such criteria separate and distinct from total exposure?
> Are there separate microrem whole body exposure goals and separate
> millirem extremity goals, shallow dose goals, etc?.
> Are skin exposures from contamination the dominant mode of radiation
> exposure at power plants?
> Or is this just a residue of pre-1994 regulations where internal exposure
> and contamination were excessively controlled regardless of external
> exposure?
> Seriously, are there significant radiation exposure issues involved (not
> counting hot particles) or is this simply an ALARA/cleanliness
> issue?
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