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M a g n etic ta p e is ju s t a d is a s te r f o r a n a r c h iv a l s to r a g e m e d iu m .-"Intodie Future"1 D o you know what the average shelf life of standard VHS videotape is?Ten to fifteen years.For CDs, the shelf life is yet unknown the best estimates don't go beyond 100 years.A book printed on acid-free paper will last 500 years or more, but for audiovisual media, the picture is truly sobering.The preservation o f film, CDs, and tapes is a problem almost all libraries have.Everyone wants to ensure the preservation of these recordingsthe question is how.Well, every library that owns film and tapes can do something.Armed with suf ficient information, librarians and their staff can at least improve the state of their nonprint collec tions, even if they cannot rescue them from their inevitable obsolescence.To this end, I offer here an overview of Web resources. N ote:The topic of ongoing digitization to pre serve materials is outside the scope of this list of resources, but because it is related, I give a few references on this topic at the end of the article, including one that considers the validity of digiti zation as a preservation method. General resources• A m erican Li bra ry A ssociation: Preservati P o lic y .The ALA policy is essentially based on its goal of ensuring that "every person has access to information at the time needed and in a usable format."This policy statement (revised in 2001) , bu on covers the preservation of digital infoimation.A ccess:
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