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Abstract
The dangers inherent in the improper storage of photographic film, especially microfilm, and the necessity of following good storage practices are reviewed.
Enhanced image stability is obtained by treatment of processed microfilm with a dilute solution of Kodak Rapid Selenium Toner. This treatment has been extremely effective in preventing discolouration and microspot formation under accelerated ageing conditions. The selenium treatment coupled with recommended storage practices (storage below 70°F, 15-40% RH) using recommended filing enclosures and containers would indicate that microfilm will last for manY hundreds of years.