Storage Equipment and Conditions
Records protection equipment, such as fire-resistant file
cabinets, safes, or vaults, is rated for safety and damage resistance.
Labels on the equipment certify that it has been tested for its
capacity to withstand specified levels of intense heat, sudden cooling,
and severe impact.
Texas State Library and Archives Commission State Agency
“Microfilming Standards and Providers”, Section 6.26 “Storage
of Original Microfilm” requires the following storage climate conditions
for microfilm:
- For microfilm of records with a retention of 10 years or more, temperature must not exceed 70 degrees Fahrenheit, and a constant relative humidity of 35% must be maintained with a maximum variance of plus/minus 5.0% relative humidity in a 24-hour period.
- For microfilm of records with a retention of less than 10 years, the maximum temperature must not exceed 77 degrees Fahrenheit, and a relative humidity range between 20% and 50% must be maintained with a maximum variation of plus/minus 5.0% relative humidity in a 24-hour period.