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<br />4. Documents/Unbound Materials <br /> <br />5. Freeze as found <br /> <br />a) Do not remove from file cabinet drawers, document cases, or folders. <br /> <br />q) Do not turn containers upside down to empty or drain. If possible, gently tip file <br />cabinets and boxes to allow excess water to drain out. <br /> <br />a) Separation of wet sheets <br /> <br />b) Place a sheet of polyester film on top of a stack of wet, unbound <br />papers (or the first page of a bound volume). <br /> <br />r) Rub gently with a bond folder -- surface friction will cause the wet paper to <br />adhere to the film. <br /> <br />s) Peel back the top sheet and place it on top of a piece of polyester web, non- <br />woven interfacing, such a Pellon, is most effective. <br /> <br />t) Remove the polyester film. <br /> <br />u) Place another piece of polyester web on top of the wet sheet. <br /> <br />v) Repeat the entire process, separating the wet sheets one at a time and <br />interleaving them with polyester web. (Materials may be frozen at this stage.) <br /> <br />w) Air dry the sheets (supported by the polyester web) by placing them on <br />absorbent paper on tables, on drying racks, or on top of closely spaced <br />monofilament lines. Air in the room should be kept circulating, but fans should <br />not blow directly on the materials. <br /> <br />x) The papers may be flattened when they are almost dry by placing them <br />between two sheets of blotting paper (to remove excess moisture) and applying <br />even pressure with weights. <br /> <br />PHOTOGRAPHIC MATERIALS <br /> <br />Photographic materials (prints, negatives, slides, film) should not be allowed to dry untreated <br />after they become wet, as they will stick to their enclosures or to each other. Any attempt to <br />separate them after they have dried together may result in damage to the emulsion or the <br />image. Remove materials from their enclosures and wash off any mud or dirt under cold, <br />clean, running water. <br /> <br />Do not expect to salvage color photographs, as the colored layers will separate and the <br />dyes will fade quickly. However, if you wish to try, air dry immediately or freeze them. <br /> <br />Color films and photographs: <br /> <br />a) Keep wet. <br /> <br />Page 28 <br />