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[filmscanners] Re: What can you advise?

As both you and Henning suggested, based upon review of my files, my
suggestion of mold growth at over 30% humidity was too conservative.

After doing a scan of my physical paper files, I found my memory had
failed me, as a reference by Kodak regarding preventing fungal growth on
films indicated humidity levels should be kept under 50%, not 30%, as I
had indicated. (Kodak Pamphlet AE-22) Prevention and Removal of Fungus
on Prints and Films

I then did a Google search, and several sources suggested anything under
60% was probably safe.

So, it would appear your 45% humidity level is safe under most

Kodak and other sources did suggest fungicidal agents can be used during
the processing to further lessen risks.


Austin Franklin wrote:

>>>I'm curious if you have any references on that.  I've not had any mold
>>>growth, and it seems quite comfortable...and as I said, no
>>camera, equipment
>>>etc. problems at all.  It's been a most palatable environment.  The
>>>dehumidifier is off during winter, probably from October to April.
>>Not off hand.  It probably depends upon temperature and general mold
>>conditions.  We live in a very mold prone environment here.  I think
>>Kodak had some studies which I read many years ago about suggested
>>storage for film and they made some mention about optimum humidity
>>levels.  I might have it here somewhere...
> Hi Arthur,
> I would greatly appreciate the link or reference.
> Regards,
> Austin
> P.S. Would you please be so kind as to pass the crumpets? ;-)

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