[ RadSafe ] Radon pCi/l to mRem/hr

John R Johnson idias at interchange.ubc.ca
Fri Apr 6 10:10:16 CDT 2007


I prefer to use conversion factor from good references rather than calculate 
it myself. The ones I normally use are in Table 5 of ICRP Pub. 65, 
"Protection Against Radon-222 at Home and at Work". The "rounded" values 
given are 200 Bq/m^3 =3 mSv/y and 600 Bq/m^3 =10 mSv/y.

Of course, you will still have to convert from picocuries to Bq and from 
millirem to Sv.

John R Johnson, PhD
Vancouver, B. C.
(604) 222-9840
idias at interchange.ubc.ca

----- Original Message ----- 
From: <cobdw at tds.net>
To: <radsafe at radlab.nl>
Sent: Friday, April 06, 2007 4:07 AM
Subject: [ RadSafe ] Radon pCi/l to mRem/hr

> Need a little help.
> I recently tested my home for radon gas using a commercially available 
> passive alpha-track detector. Results were reported in picocuries per 
> liter. I would like to convert this to millirem per year. Can some one 
> point me in the right direction to find the formula for this?
> Thanks
> Doug
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