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RHH -Reply
The 1992 HP&RHH version lists the 5.75 yr half-life for Ra-228. Don't
throw out your black book yet!
Michael
TRAB
mford@pantex.com
Amarillo, TX
>>> Lester Slaback wrote on Tue 14 Sep 99 12:24 >>>
The note below emphasizes the need for current references.
The 3rd Ed of RHH shows 5.75y on pgs 8-21, 8-36, 8-48.
Amazingly the 1970 version is still being published, and is available.
The RHH thru the second ed was basically the 1970 data, with other
additions.....
>>>>>>>>>>>>>>>>>>>
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