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Subject:
Re: Useful Shelf life of Media
From:
Robert Breslawski <[log in to unmask]>
Reply To:
Records Management Program <[log in to unmask]>
Date:
Fri, 11 Jun 2010 06:56:06 -0400
Content-Type:
text/plain
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text/plain (33 lines) 
The only one I can speak to authoritatively is silver and non silver 
microforms.
Silver microforms have a useful shelf life (Life Expectancy) of a minimum 
of 500 years when processed and stored properly according to ISO 18901 and 
ISO18911:2000. 


Diazo duplication films have a minimum Life Expectancy of 100 years 
according to the following:
ISO 18905:2002 
Imaging materials -- Ammonia-processed diazo photographic film -- 
Specifications for stability 

The following gives some guidelines on storage of optical media. 
ISO 18921:2008 
Imaging materials -- Compact discs (CD-ROM) -- Method for estimating the 
life expectancy based on the effects of 
temperature and relative humidity


You can find more at: http://www.iso.org/iso/iso_catalogue.htm 

Regards,
Robert Breslawski
Chair ISO TC 171 SC 2.



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