http://www.heylloyd.com/technicl/acid_free.htm
The is a lot of other interesting stuff as well on this website.
-- graywolf http://graywolfphoto.com
"You might as well accept people as they are, you are not going to be able to change them anyway."
-- graywolf http://graywolfphoto.com
"You might as well accept people as they are, you are not going to be able to change them anyway."