A very large file indeed. I wonder why hydrogen peroxide was not considered, which some have used, apparently successfully, although its rate of evaporation will of course be very similar to water. See bottom of: http://www.airmedia.org/PageInfo.php?PageID=197 Marcos Cybulski, Walter (NIH/NLM) [E] wrote: > The following [long - 63 p.] paper may be of interest: > > "Research on Methods to Remove Mold from Cellulose Acetate Audiotape" > by Jim Thurn (Kilgarlin Center, U. Texas Austin) > > http://www.ischool.utexas.edu/~anagpic/2006pdf/2006ANAGPIC_Thurn.pdf > > - Walter Cybulski > Preservation & Collection Mgmt. > National Library of Medicine > > Note: The paper is posted on the Association of North American Graduate > Programs in the Conservation of Cultural Property (ANAGPIC) website: > http://www.ischool.utexas.edu/~anagpic/index.htm >