Pack the blocks into a heavy duty cardboard box lined with garbage bags. Label as wet film and ship to microfilm processor. If not able to immediately recover, freeze or air dry within 72 hours. Cut the strips from the jackets with sleeve cutters. If it has not delaminated, wash in cool water and dry on blotters or a lint-free cloth.
Open film can, fill it with water, and replace lid.
Pack into plastic pails or cardboard cartons lined with garbage bags. Ship to film processor for rewashing and drying. Set up tabletops padded with blotters and covered with plastic. Separate paintings showing structural damage from those that are merely wet. A qualified conservator should be called and consulted with if unsure about the procedure of drying paintings.