Document EmKeeBzGeVrxj0NYBDw3pvr0b

08S4--t U4> >! E. I. ou Pont de Nemours & Company CHAMBERS WORKS M. J. Fahsel, 1094 Bldg. :e; D. J. Klinke, firehouse (F) January 5, 1983 J. R. Martin Employs* Rslations Dspartmsnt BOD-1442 Wilmington EXPERIENCE WITH ASBESTOS MONITORING Hare is a summary of psrsonal asbsstos air sampling - usually partial to full shift duration - unsagragatsd by activity. Ths majority of ths data ars from lagging rsmoval or rspair. Thas* data covar ths last thirtaan months of psrsonal air data for asbsstos. Fibsrs/ce <0.01 0.01-0.09 0.10 0.11-0.57 5.01 9.2 Mo. of Samples 33 185 2 19 1 1 As you can s*s, ths exposures ars rsmarkably good. W* do not uss any "dispoaabla" rsspirators for this work, ws uss half-facs rubbsr rsspirators (s.g. Comfo II) with dust/mist/asbestos filters, or with high sffieisncy filtsrs. Usually it's ths dust/mist/asbsstos filter. Pleas* 'homogenise" these data in your cosBunications so they are not sits-spscific. Pleas* call if you have questions. D. T. Laffarts Environmental Health Section DTL/jb DUP 0909169 DU 028990