Document XG5MRoO437rzXz7nZRN2XNZy

FILE NAME: National Gypsum (NG) DATE: 1953 Mar 11 DOC#: NG004 DOCUMENT DESCRIPTION: Memo RE Letter to IN Dept of Health RE Thermacoustic Referencing Asbestos Hazards & Safety Measures rr . 0 0 3t*nbers \ . R. Hardlag L. Sarah 2 V odenvaldt 0 I* Willis 0 W. Band/ 3 A. Serinsbar 3 0 Krslnheder e. Jm feebler Jp/jOV- Zadiaaa State Board of Ho1th Theraseoustic Tort Bsnjaaln Harrison Indiana?olio, Indicia Hareh 11 1953 Production Boro la tho fllo which was. given ns Ton will also find 'attachod;.* copy-of *y.letterto- IJrw Spolyar. Cat of past experience vs havelearned that l.f vs supply ths chainleal composition of any prcdaat It loads to confusion and greater concern, for ezassls ths ehsaleal eposition of mineral veal shews a large percentage of silica. Mm knew that this is la ths fora sf silicates and as sash sanaat predess alltossia* Anyone lasting a h s sheeioal wegyoaftion ^vccld immediately asseslets dnsral wool with silicosis .and he ssnssmed Jhaasaae-aar tta Icvslved. Zn ay eplnion ear sppllestore should he instructed to hare ths operators wear the respirator described in ay letter ts Dr. Spolyar in order to sveld health hasard. Asbestosis is tbs none of a respiratory disease that la eeased by ths inhalation of asbestos dust, a fibrotic condition in forced in ths lungs with rssalta usually worse than these produoed by silicosis. K. 0. 3 Pollard ?* *505 19260 PLAINTIFF'S EXHIBIT //-?