Document 5kVL9ggGYzJe3ErRvxnKLyd3R

/ TO: FROM: SUBJECT: *824 Plasterco, J. Crepeau *151 Libertyville, C. D. Byers ANALYSIS OF INSULATION, AR *1977 PLAINTIFF'S EXHIBIT USG-1491 . April 14, 1987 One insulation sample was received with no specific label for the determination of the presence of asbestos. The sample was analyzed by polarized light microscopy using dispersion staining. The sample was found to contain asbestos. CDB/tds cc: FlTa, m. *176-5, F. P. May *151,- B. W. Ost 5510 Rev. 4/85 v