Re: radon and smoking

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

Dr. Abu-Jarad,



I have seen similar findings elsewhere including a study by Ray Johnson 

many years ago.  Do you also believe you would have other factors working 

that affect the biological impact of the radon progeny?  In your opinion, 

would you expect less plate out on walls with progeny attached to smoke and 

less inhalation of progeny secondary to attachment of progeny to the larger 

sized particles generated by the cigarette smoke?



Regards, Bill Field





At 10:24 AM 02/13/2002 +0300, you wrote:





>Regarding this issue we performed an experiment with LBL-Radon group in one

>room. The experiment done with radon source injected into the room (with and

>without cigarette smoking) in the same conditions: The results were

>published in:

>1- Radiation Protection Dosimetry: Vol 24, PP 507-511, 1988

>2- Radiation Measurements, Vo. 28, pp 579-584

>

>It showed the no. of aerosol particles(a.p.)=~100 a.p./cc (when the room was

>clean) and increased to ~100,000 a.p/cc after lighting 5 cigarette in the

>same room with the same experimental condition.

>

>As a results, the radon concentration increased tremendously. For that

>Please see the figures in those papers. If you are interested, and you don't

>have an access to these journals, send me your address and I will send you a

>copy of the papers.

>

>Best regards

>

>Dr. F. Abu-Jarad

>

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