Document 2RQ9DDRkGY4kjBgYpE57B0QE5

FILE NAME Talc TALC DATE 1976 June 10 DOC TALC475 DOCUMENT DESCRIPTION Memo RE Industrial Hygiene Survey Waukegan tee pened turn p egcam tan Bah Se oe REE EARNS SAN ORAS pen apace eee ighaethe men phn npn aay tomer mee Se eg Fae pee eet Feta M +3 Manville Internal Correspondence From G. Swallow - 14N2 Copies See Below Subject INDUSTRIAL HYGIENE -WAUKEGAN YOUR LETTER JUNE 7 1976 much for your letter of June 7 commenting upon the Industrial Thanks very and my letter of April { Hygiene survey January through March of the survey in basic agreement regarding the outcome appears that we are enumerated should go a long way toward re- Pursuing the actions you have ; values ducing your exposures to well below the threshold limit fCommenting on station 29R you speculate that talc fibers may have As been I / counted as asbestos This is entirely possible and also proper which 1 if believe you know many not considered to be most talcs tremolite have a fiberous content Tremolite is one of the many the same as we would is geneorfalalsybestos and is by Federal law counted just types count chrysotile or crocidolite \ the differences between stations 10SR Thanks for your explanation of can be made between these and T2SR I agree that no valid comparison St two locations even although they are physically very close Evidently we are both still puzzled with regard the results obtainAir Sample between the two beaters at ed at station 16P the Genhearvael identified the problem please let me 2 Paper Machine When you there is something we must learn here and know what it is I believe identification be of use in future asbestos exposure which may G. L. Swallow j1h CC W. M. Gates - 554 W. B. Reitze- AN2 re F. J. Angelos - Hauk.3 P. J. Niccolai - Nauk 44 arena P. J. Dziak - Hauk 70 F. P. LoMonaco - Wauk 55 NE A tA tira ag chokes we eevee . camtpgy a mre: CRMC 000271 a ae