[LM_NET] library humidity levels

[mchawkins <caughey195@YAHOO.COM>]

In wonderfully quick response to my query yesterday, the consensus is:

From Solinet Environmental Specification for the storage of Library and Archival 
Materials  and HVAC advice from Museums,  the recommendation is 40-55% relative 
humidity. 

Northeast Document Conservation Center and the 1995 ASHRAE  (Am. Soc. of Heating, 
Refrigerating and air-Conditoning Engineers) Handbook both suggest that a stable 
relative humidity between 30-35% and 50% is best.  

I'm going to take all the information to my principal today and see if we can't 
work towards the lower side of 50%

Thank you to all who sent such helpful information and support!.

 Meg Hawkins  MLS
Librarian
Darby Township School 1-8
Glenolden PA


caughey195@yahoo.com



      

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