[ RadSafe ] Dosimetry data for natural uranium
dcoleassoc at rogers.com
Mon Feb 27 14:32:22 CST 2012
I am a long time lurker, this is my first post.
I do some work with natural uranium ore: this is ore right
out of the ground such as may be found at a uranium mine.
Any time I need to do any dose estimates (either external
radiation or inhalation / ingestion) I go back to 'first
principles' and calculate the appropriate factor (e.g. dose
conversion factor or specific gamma dose constant) by
assuming the presence of U-235, U-238 and Th-232 (in some
assumed ratios) with all progeny in equilibrium.
This is a little bit labour intensive and possibly subject
Is anyone aware of documented dosimetry data for natural
uranium ore that can be referenced?
Note that this is for field work where approximations are
acceptable and the calculations are used for estimates or
screening hence tend to be conservative.
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