I'm quite sure the archives of the Conservation Distribution List (Cons
DistList) has significant information on off-gassing from wood, MDF and
partical board.  To subscribe, see below.  You can serach the archives
(see below) without being a subscriber.

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    The ConsDir is available at the same site.

Timothy Vitale
Preservation Consultant & Conservator (Paper & Photo)
Conservation Associates
408-684-2731