Considers the advantages and disadvantages of six mass deacidification processes that libraries can use to salvage printed materials: the Wei T'o process, the Diethyl Zinc (DEZ) process, the FMC (Lithco) process, the Book Preservation Associates (BPA) process, the "Bookkeeper" process, and the "Lyophilization" process. The…

Discussion of paper manufacturing processes and their effects on library materials focuses on the promotion of alkaline "permanent" paper, with less acid, by Canadian library preservation specialists. Standards for paper acidity are explained; advantages of alkaline paper are described, including decreased manufacturing costs; and…

Describes results of a library collection survey conducted in 1987 at the University of Manitoba to determine the extent of the problem with brittle pages. Paper acidity and deterioration are described, the need for a national plan is discussed, and recommendations to improve preservation efforts and results are offered. (five references) (LRW)