Yes, especially when it comes to sensitized materials there is a lot to test for and naturally it also depends on what exact type of material you want to protect. You bring up an interesting question... I spoke with one of their staff several years ago and got a list from them on their reccomendations... But I did not confirm that they in fact used those supplies/suppliers.... Ray ---------------------------------------------------- --- Peter Badcock <peter.badcock@xxxxxxxxx> wrote: does anyone know which manufacturers > supply the archival mounting > materials to the Library of Congress in the US? > regards > Peter Badcock __________________________________ Discover Yahoo! Get on-the-go sports scores, stock quotes, news and more. Check it out! http://discover.yahoo.com/mobile.html ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.