Re: radon and smoking

["Field, R. William" <bill-field@UIOWA.EDU>]

At 11:53 AM 2/14/2002 -0500, BERNARD L COHEN 

wrote:


> --The thing being left out of your
>
> consideration is the unattached
>
> fraction. Unattached radon progeny have a much better chance of
>
> stickung
>
> in the bronchial region, and this fraction is greatly reduced by
>
> cigarette
>
> smoke. 



As in my reply to John,


That is what I meant by reducing the

effective dose.  "There are really at least two factors at

work.  You have the aerosol generation from the smoke which keeps

the progeny in the air longer, but on the other hand the progeny now

becomes

attached

to larger particles which reduces the effective dose.  In this case

in a round about way, smoke filled air just as a dusty houses reduces the

effective dose from radon from ground sources.  Of course you still

have the polonium-210 from the tobacco."


Bill Field





************************************************************************

You are currently subscribed to the Radsafe mailing list. To unsubscribe,

send an e-mail to Majordomo@list.vanderbilt.edu  Put the text "unsubscribe

radsafe" (no quote marks) in the body of the e-mail, with no subject line. You can view the Radsafe archives at http://www.vanderbilt.edu/radsafe/