Document zozMnkrGw0gbO5kgG4JBZvxw0

I I U 9 U K e 9 I! July 26, Lr. x, L. Surastt* Assistant Secretary Caaedita ead -ffics 7ou will rsc.ll oa your last visit t discussed with you the prsbles cf tuberculosis la Tbctford. Since tbit tlx* T here cad* further investigation of th* prollsa sad it would seta to be worth wr.il# for a* to visit Thstford vita a vies to first-hand olserration of th# situation thar*. Several ia.'.ustrial hygiene surveys have bsec cede et Johnson's Vine in part year:. The first .e ia June 19>0 shea Dr. Lenta ess studying the nctestns Industry, Another study t*s can* is Kerch 1931. At that tics very high dust c;uats vers found ia Johaaon'e vine, lorkere vers very careless about eipectcretleg oa the floors; drinkir. vatsr *es suyrl 1 ed ia buelretrf conca drinking cups vsra used. A ausher of reeoa- aaadatlnns were ends to lxprove general working coaditloas of this alas* So suhssoueat study has beta aede* Adjacent to Johnses's Vine is Bell Vines, elan a Croup policyholder. I# have aede a eosparisoa sf their aortslity rates over th* last for years, cad th# following table shove th* diffsre-.es is mortality. TSia ay aot bs statistically sifniflcert but vs,Id sees to verraat further investifntioa, both of bell sad Johnson'a Vises. Although fir. Lenta had cocciudod frea his asbestos study that tuberculosis iu aot na expected eoapllc&tioa from this disease, la vis* of this experience la Johnson! s Vines I felt a&rreated ia writing to fir. Gardner la Saranac to find out aket his preseat opinion Is. B* has aade tone recast studies, both in Quebec cad Is Aarth Caroline of this possible relationship sad t s pcstvcrUa svidsnea indicate*, la his opialoa, that erbestasis docs aot precis??**--Ilk* silicosis--to tahorcidosls. Eow- ever, he thovht that comparative aort-lity aad morbidity studiss of tuber culosis and arbestoels in Ihstford aad other eeaajaltiss 1* Quebec end otter groviaeee would b* very tort! wklla* rollosiag trie to Quebec lest week, he has Just vrittea ve thnt, ia his opinion, th* outstanding feature ia Thstford is aot eshestosls but tuberculosis* Since Bill fehatl ts planning a trip to Csaads also, I thought I vould plan to go at the.see* tiaa. ThU ve espeet vlU be th* week of faptasbar 11th* BUI Barrett ts arranging, through hr* Ferry, to get invitations far as t? visit Johnson's aad toll glass. Thar* are some other iadastrlU health contacts that Ur. Ferry ssaas to tbiak it weald b* deslrafcl# for us to aaka also* Sines this prolies la Thstford apmears to bo largely on* of tuberculosis, it would toss to bs s fertile field for the Canadian fuhoreu- losls Association aad public health agendas la Caasda* I vould b* inter ested la vesting th* ptoel* that you think would haw so interest ia this problea, both in th* Province sad ia th# Ooviaioa. If they tr* t.c*-*rfstr? in asking an attack on th# erohlea, * wight * * s - - som technics! sod *' -*!.*' : a' Interest la relation to our T#1fare *ork mxy occur to 70a as pertinent for us to look at tsjithir, Geers* V. Wheatley, I.D. iesUUat Ved'eal Streeter