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[padg] RE: RE: RE: Two off-site storage questions



Walter,

 

Yes. We have the P-2000 which alarms at 7% moisture. The important requirement is identical monitor volumes so you can compare stations and watch relative responses. I chose a multivolume set with rag-derived, machine made paper. (Dickens, 1840) You can’t just cherry-pick because there is such drastic difference in response of different paper types.

 

Another aspect is that the recording need is different with, say, only 1 reading per week max needed. The response of books is slow and probably different in pick-up and drying rate.

 

Gary

 


From: Cybulski, Walter (NIH/NLM) [E] [mailto:Cybulskw@xxxxxxxxxxxxxxxx]
Sent: Thursday, October 09, 2008 10:36 AM
To: padg@xxxxxxx
Subject: [padg] RE: RE: Two off-site storage questions

 

Gary:

 

Is guidance available regarding the use of a paper moisture content meter in collection areas that have been involved in water disasters?

 

Are you using the Delmhorst P-2000 digital read-out meter?

 

Have you contacted IPI?

 

- Walter Cybulski

 

From: Frost, Gary [mailto:gary-frost@xxxxxxxxx]
Sent: Thursday, October 09, 2008 10:51 AM
To: 'padg@xxxxxxx'
Subject: [padg] RE: Two off-site storage questions

 

I would just like to mention a few issues with preservation monitoring that we have come to appreciate. In the aftermath of flooding here we realized that we have the only record of building interior response to the power failures and to the emergency drying operations. This data will be of interest to all risk management types on campus.

 

But I also regret that this documentation relates only to the un-circulating air in these dark buildings. What we really need is measures of moisture absorption and aspiration in the collections themselves. Again such a record would be of great interest generally. For example we had damage of instruments and furniture in the Music building which I attribute not to flood water humidification but to recovery drying.

 

At present I have located identical 19th c. books at various PEM stations and watch the paper response with a Delmhorst paper moisture content meter. I would be very interested to hear of any recording version of such an instrument that could be integrated with a Climate Notebook type interface.

 

Gary Frost

 


From: Paula De Stefano [mailto:pd3@xxxxxxx]
Sent: Thursday, October 09, 2008 9:18 AM
To: PADG
Subject: [padg] Two off-site storage questions

 

Hi all,

 

I would appreciate hearing from anyone who has intake policy or procedures for materials entering their library’s offsite storage facility that protect against contaminates, such as mold and insects, being introduced into the facility, or any policies regarding cleanliness of materials.

 

Also, I’m interested in what type of environmental monitoring people are using. Dataloggers? If so, what type, what strategy was used to place them and how often are they checked? Are you satisfied with them?

 

Thank you!

 

Paula

 

________________________________

Paula De Stefano (destefano@xxxxxxx)

Head, Preservation Department

Barbara Goldsmith Preservation &

    Conservation Department

New York University Libraries

70 Washington Square South, LL2

New York, NY 10012

Phone: 212/998-2563

Fax: 212/995-4566

 

 


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