Re: Radon dose conversion factor

["Frederic Dawson" <ydc90@DIAL.PIPEX.COM>]

You might find the answer to your question from the NRPB website or by

emailing them



http://www.nrpb.org/radiation_topics/radon/index.htm









Fred Dawson

3 Barnsbury Close, New Malden

Surrey. KT3 5BP

England.



44( 020)  8287 2176

44 (070)  92108737 Universal (inc FAX)



Personal webb page : http://dialspace.dial.pipex.com/town/drive/ydc90/

Work Email : fred.dawson.modsafety@gtnet.gov.uk



----- Original Message -----

From: "LAM HOI CHING" <lamhc@HKUSUA.HKU.HK>

To: <radsafe@list.vanderbilt.edu>

Sent: 09 June 2002 04:25

Subject: Radon dose conversion factor





> Dear radsafers,

>  There was a conversion factor of 1mSv/y  per 20 Bq/m3 radon concentration

> quoted from NRPB(Exposure to Radon daughters in dwellings, 1987).Are there

> any dose conversion factors calculation for radon other than this figure?

I

> am in search of the radon and radon progenies dose calculation in

different

> parts of the lung.

>   I also came to a difficulty when applying table 12- aerodynamic particle

> deposition of ICRP 66 (pg 43) that region BB of the lung has assymmetry of

> deposition parameter in [inhalation] path and [exhalation] path which

seems

> to be not reasonable for me!

>   Thank you for any help in this topic.

>

> John Lam, Hong kong

> email address : lamhc@hkusua.hku.hk

>

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