Document rpgGmJV1aBEderVxra0r01Jma

5K7 Bf'iXerox Telecopier 7020 : 1- 7-81 .`lO.'OOA* JPORZIO BROMBERG ft NE-60* 631 3100 :*2 0 C-/J- c. A, r*ftCU. MMftll ttUmtAl Ml LAKE ASBESTOS OF QUEBEC, LTD. tW9<liAT O* AMIBIGAM BELTI* AMI IFlBM* HMMWT p.aaox itr, sour* puaimtiilp, Ntwjtftacr oroto Ml Ml At lull LABI ASA-427 February 15, Ra*. 409 n CC E1VZ D Kr. Kenneth W, Nelson, Director 5423 South 700 Vilt Salt Lake City, Utah S4119 Dear Kant In relation to th W. R, Grace C** questions on asbestos hygiene, can you supply M with the following information! 1, Maximum duet level permitted in different states and induetires or references 5, Data and references on erltieal partiels* alee 1, Reooanendatl ans on how to aeasure dust lavsl equipment and proooduro I have ooplta of tha Asbestos Textile Znatituta "Method'for Determining Asbestos Duat Concentrations, Oet. 5, 1965" 4* Mask and filler recosacadetiona 5. References on National and Stats regulations related to asbestos and its produeta Very truly yours, B. A. Parrall EF& 0000034 BAPtadm ^ eet M, J, Mesial, R|D,Ntlliaua/B.L,Rlnbault, R P, Oagnon, U C, Plusa. A, J, Phillips, W, P, Roe, R. G. Crane, C, R, Stiefkah JflN 7 '91 7:04 2015384006 PfiGE