All,
 
Does anyone know where I can find some data on the rates at which UV
filters over fluorescent lights decay?  Some independent testing (not
done by the manufacturer) would be best.  We are creating some new
exhibits and there is discussion of using fluorescent lighting with UV
filters.  I am looking for some testing data on decay rates so we can
compare costs of installing different lights versus the cost of the
filter replacement and the staff time to do those.
 
I have several good sites for information about the effects of UV and
light on objects, but was unable to find out how long filters and film
will last before needing replacing in a natural history exhibit setting.
 
Thank you.
 
Elizabeth Moore
 
 

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