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Moving Image Review  Preserving and Making Accessible Northern New England’s Moving Image Heritage
             WINTER 2010  
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Cold Storage
By Gemma Perretta

As the collections grow at Northeast Historic Film, our cold storage continues to provide the climate necessary to stabilize historic media.
    The rain poured down all spring and temperatures reached the high 90s in July and August – yet our vaults remain steady at 45° Fahrenheit and 25% relative humidity.
    According to the Image Permanence Institute in Rochester, NY, this stable, cool, dry environment is projected to extend the life of our acetate-based film holdings by approximately 225 years, or three times what film in excellent condition could possibly survive in an average stable room-temperature climate.

Storage Space Rental & Services
During the past year we have welcomed several new public and private organizations and individuals as vault rental clients for their film and video collections.
    In addition to providing cold storage we have helped some clients identify films that have vinegar syndrome, a beginning stage of decomposition that can be contagious to other acetate based films. Vinegar syndrome requires immediate attention to ensure the content is not lost. We handle film with vinegar syndrome by inserting desiccants into the cans to absorb the acetic gases being released by the film, wrapping them in inert plastic bags to contain the gasses, and isolating them in a separate cold storage vault dedicated to material with vinegar syndrome.
    There is still plenty of room in the vaults for additional space rental. We encourage organizations to contact us if they have any questions about how to care for their media holdings.  

Moving Image Review is a semiannual publication of Northeast Historic Film,
P.O. Box 900, Bucksport, Maine 04416 • Tel: 207 469-0924 • Email nhf@oldfilm.org

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