Document peeR7XbzOnqm91BjYwjKYqQ1X

Quality Control Department Indu*trial Insulations Division Headquarters Manville Plant - 222 April 8, 1971 Librarian V. H. Graham P. C. Glddings E. W. Korty A. G. Reinker M. C. Parmley G. B. Childers J. A. Campbell, Jr K. N. Thomson W. G. Bourne C. H. Crandall C. H. Jensen H. E. Konrad File C - Finderne - Finderne - GHQ, N. Y. - Chicago Office - Cleveland Office - Houston Office - Los Angeles District (Attn: - Philadelphia District - St. Louis District - San Francisco - Tampa Office - Vaukegan - Hew York Ruth Reed) CANCELLATION FINISHED PRODUCT SPECIFICATION SDPEREX FURNACE BLOCKS (PLAIN & SILICATED) 11-4322-12 Pages 1 thru 3, issued 2/19/69 and 5/21/69 All flleholders are requested to cancel and remove the page(s) of the subject Finished Product Specification. The pages are to be destroyed except at Local and Division Headquarters Quality Control Centers and Research Library. D. B. wing: DBW/llm