We've come across a collection of 16mm microfilm reels dated from 1947 to
1962, that are in a bad state of decay - an extreme case of vinegar
syndrome. Because of the age (some prior to the 1952 discontinuance of
Nitrate film stock), there is concern that some may be nitrite cellulose
based and hence much more hazardous. Any of you folks with a broader
background in micrographics have an easy way to determine if any of the
film stock is nitrate - or even if Nitrate film was ever made for
micrographic purposes? - to me everything is consistent with acetate film,
but I've never dealt with Nitrate film so that may be ignorance on my part.

Thanks,

Christian

                           Christian Meinke, CRM
                        Southern California Edison
                          Information Governance
                          (626) 302-7133/PAX 27133
                           Mobile (818) 414-9515
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