Document 85rNQO7dBOpKkXenmrgJ5e9wa

( 'o rlily This Copy To He A True and l-xuel Copy o f die O rin iim l House In die C.ime-.oe M ellon U n ive rsiiv Archives Confidential Approved. Mellon institute of industria^" JUG.Date. l 8jqs? Fellow. DEPARTMENT OF RESEARCH IN CHEMICAL PHyI?6^S D/VfSion Mr. J. T, Morgan Rec'd. AUG 1 9 1352 Hcfywahip j?59- Project Durt Analyfiff Tn4mnltr Insurance Company Project No-----------------_________________________ Date oi Report-- August 1$, -1952 NATURE OF REPORT Preliminary. Progress___ Final_______ tmU IM*. (?-l8sil. Quarts, Fea04* >HgO ut present a* minor conetitueats. Tha amount of quarts as estimated from the film la A-4 percent. Ssaple 1383, (>l83). Io diffraction 11ns* appeared on tha film* g-U Utt. O-Ifttl, > This sample gives a diffraction pattern like that of sample 1382 except that it is weaker aad the Mount of quarts is estimated to he 2-4 per cent. * t. 'ife ; . * The diffraction patterns given V staples 1382 and 138b only . 4^? : represent 20-J0^ the total sample. Ivan though asbestos may be present \ la considersble amount in these three simples* it cannot be detected because yV * of the very poor diffraction pattern it gives. The quarts content* cannot be specified with the usual precision because of the superposition of the 3*33 A line by Fe*0*-V>. Xtouglae T. Pitmen , Leroy S. Alexander *** ) Humber CCpifta bads----.-S--- Humber copies Date of nailing-- 0 0 T75 7