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Subject: Re: [geda-user] Some MSL questions
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> It appears that an increasing number of integrated circuits have
> Moisture Sensitivity Level 2 or higher.

J-STD-033B:

"Standard for Handling,
Packing, Shipping and
Use of Moisture/Reflow
Sensitive Surface
Mount Devices" :

http://www.navsea.navy.mil/Portals/103/Documents/NSWC_Crane/SD-18/Test%20Methods/jstd033.pdf

Other 'It Depends' answers found here:

http://www.circuitinsight.com/programs/54767.html

http://www.circuitinsight.com/programs/53499.html

http://www.circuitinsight.com/programs/51401.html