Document 3NMo9xOOwD1RnjLdBoLoarp6J

FILE NAME: Westinghouse (WH) DATE: 1961 DOC#: WH015 DOCUMENT DESCRIPTION: Memo  l iJLfriU ) d >C -a* ou7ff Kat Pittaburjh. 2-0-^ Industriai Hyglsns aroh 27 l i t i i l-M Tra/iapartatiao k Oanaratar Barry t o w , Safaty la^laeer ~-i .1 j Air ta sp lss w n tatara durine tbs bori t a l barine u d rasine o f aabsatoa oaalnea in S sctio o KA-4. Thrsa tap i m ira t a m at T%rloua phaasa of hs opsratl< and oas aaapls s a tatasn in th# a la i about 15 f s a t asay fr m ths maohln*. Tha dust eodo s t r a t i oc baeaas ao graat that ths opsratcr. oould nat 1 rottali) at ths naahlns durine ths opsration , Our a ir aaaplsa altra that tb s U ax lM Allosatola Coaiesotratloa aabsstos dust aa oanaidsrably axasadsd. I f tbia operatira la t s bs a r tla t ad la ths fu tu ra, l t la raso rara s* th at as axhaust ayataa bs in s ta ils d . Tbia opsratlra aot raly prsssarta y.i.j a aien ifioan t a u issa ss protola but i t aay a ls s oausa a asrloua h salth tansnrd i f a psrsoa la t s bs axpoas* cr a ti nuora ly sta r . "'. A4 a parlo* at t ia s . 1 *1 *7 I . Pira* A\ "-A3 s c= w, \I