[ RadSafe ] efficiency rating for HEPA filter in rad hood

[William Lipton]

The HEPA efficiency for iodine is zero.  You need an activated charcoal
filter.

Bill Lipton
It's not about dose, it's about trust.
 On Oct 20, 2011 1:15 PM, "Hofer, Curtis" <chofer at montana.edu> wrote:

>
> Hello,
>
> Does anyone the efficiency rating for a HEPA filter in a fume hood that may
> be used for radioiodinations?  I was unable to find anything in 10 CFR 20
> about fume hoods.
>
> Thanks in advance and have a great day!
>
> Curtis
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