Re: Pressure buildup in radium sources-Correction

[RADPROJECT@aol.com]

In a message dated 98-07-08 12:27:04 EDT, S. Farber  wrote:

<< Calcuations documented in this paper note a negligible pressure due to
radon
 buildup, about one atmosphere of pressure per year per milligram of radium;
 and very much more than that from the potential decomposition of water into
 hydrogen and oxygen if the radium contains water of hydration or is not
 otherwise dry.   >>

The second  phrase ["about one atmosphere of pressure per year per milligram
of radium"] above should be clarified to read that about one atmosphere of
pressure buildup occurs per year per milligram of radium due to Helium gas
buildup from alpha decay.



Stewart Farber, MS Public Health
Consulting Scientist
Public Health Sciences
19 Stuart St.
Pawtucket, RI 02860

Phone: (401) 727-4947   Fax: (401) 727-2032   E-mail: radproject@usa.net