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. Mail submissions to [log in to unmask] Administrative matters (file requests, subscription requests, etc) to [log in to unmask] DistList Archives: All instances of the DistList are available (both for browsing by whole items and searching for individual messages): http://palimpsest.stanford.edu/ The ConsDir is available at the same site. Timothy Vitale Preservation Consultant & Conservator (Paper & Photo) Conservation Associates 408-684-2731