Document 8RmQEqEmBwwyw0gyeo8KVeerm

-//l (f * 3^9 June 13, 1956 Dr* Paul Cartier Asbestos Medical Center Thetfcrd Xlau, Quebec Canada Dear Sr* Cartiers X wish to thanIt you and Mr. la Chanov for tha courtesies extended during ny visit to Zhetford Hinas* It vas a pleaaura to discuss dust counting and related problem# as air hygiene* Tha people bare vers Tzy Interested In sqr report of our dis cussions, eapeeially tha distinction between dust and fibers, as we bare felt that this vaa probably the proper vay to evaluate health hasards, but ve had not fona Into the problem to that extant* Va do not vant to Impose on yon, but It will be appreciated if you could stake on* determination of the dart end fiber eonteat on one sample from our Bill* If agreeable, please advise end X will eolleet an appropriate saaple, send yon e portion and retain the balance for counting and stn^T to develop technique e for our distinguishing between dust end fiber* Again, it was a pleasure to neat you end disouse eocaoa problems* X shell look forward to a continuation of these discussione at a future date* Sin oe rely. RSHtKS c Messrs* Cilley, Z: Martin S. Malar Heed - Physios Station Bseeroh A Product Development Dept* Luttenberger, Moore, Stefl r