Document aDmj6xx1VKmd95Oqb6z5D7EmM

FILE NAME: Sprayed Asbestos (SPRA) DATE: 1949 June 29 DOC#: SPRA008 DOCUMENT DESCRIPTION: Letter to Dept of National Health & Welfare from the Minister of Health RE Dangers in the Application of Insulating Material in Ships MINISTRY OF HEALTH DIVISION OP INDUSTRIAL HYGIENE 1570, ST. HUBERT ST., MONTREAL, QUE. /' I Juno 29, 1949. Dr.K.C.Charron, Chiof, Industrial Hsalth Division, Department of National Health & Welfare, 714 Jackson Building, Ottawa, Ontario. Dear Dr.Charron, T- Your l t t e r of June th e 1 4 th , 1949, addressed to Dr. P.J.Tourangeau, req u estin g inform ations about the dangers involved in te r d a y ! U C a ti0 n f i n s u l a t i n g n a t 8 r i a l i n s h ip s , was r e f e r r e d t o me y e s - a . v. 4. I b79 n 6 v ar had th8 o p p o r tu n ity o f s e e in g t h i s type th e ^ In ^ from your d e sc rip tio n of i t , I could get in to u c h e d th th e oonoern ahioh i s th e so le re p re s e n ta tiv e here in Canada fo r th is in s u l a t i n g method and h e re i s w hat we g a th e r from th e in fo rm a tio n s o b ta in e d . as the Snravd ?!J? 4 f a PPl i e a t i n o f a s b e s to s i n s u l a t i o n i s known A sb esto s " p ro c e s s and th e A tla s A sb esto s Company tb T ^ V ! ! n ly lic e n s e d ooncern i n Canada f o r i t s a p p l i c a t i o n . On y th e w est c o a st however, th e y have su b lic en c ed a n o th e r company p e rm ittin g i t s " * : Yhi* Process has been p aten ted in England and i t i s being a p p l i e d ^ ! r e in Canada s in c e 1935 a p p ro x im a te ly . pp ne t o th e d e a r4n4-4oTh4e a PP4l i o a t io " o f th e i n s u l a t i n g la y e r i s done a c c o rd in g to the d esc rip tio n given in your le tte r , th a t i s , asbestos fib e r is sprayed llTTnohea^aftar 4^ *** "S f * * 8pray of TM ter at a distance of*8 to ss uu rrffaa cc ee Lon w hich ^th e i n s u l a t i o n P?i sPa*p pTMlie d8 . W 8 ttin 6 Pe r m. it adha i t o th e M JIi_ " s t e s t o s f i b e r u sed i s v e ry lo n g , t h i s i s why i t i s n e - i \ iD4a " Seh i? 9 ,d lio h ^*s7nbles a sm all c a rd in g m achine. ^n ! 0 rtla n d c<raent ia lso added to th e a s b e s to s . This P o rtlan d cem ent, though sm all compared to the amount of a sb e sto s, W ^tar ^ i n 8 ! II C T t h * a s b 9 s to s f i b e r 80 t h a t i n c o n ta c t w ith th e 4^ 1X 0! T ? t aabest 8 fib e rs to produce the in su la tin g lay er. South A frican asbestos is used fo r th ic k in s u la tio n . 5 * // on which paint i 9\ 0 be'appliJrT b e t U r ^ a btt9r finish of a surface tmder the fcna of a thick slur^ ^ u ! Z u asbestos la used Banner similar to the application of paint.PPU9d aprayia8 gun in a th in g I w i l l ^ t l n ^ : \ T 0hT n t 9 r eSS ^ atual application a would be in c lin e d to doubt th a t the i n8 1D th e r 9 Si0la o f M ontreal i nough to produce a sb e s to sis . exposure to asbestos is i m p o r t a) Z T Z l l' b) 1 "" " " * *> * Aa it .0 that it Will co v er and stick^tO the e ^ ! sbeat<B* shredded w ith tte-- -- ---.?- 0) - - r had ,, y taatia to out our finding. rtsn mor,, prsclss ^ " Y l" y"- U U our 1- ^ y" tam' - Approved, ^ d irecto r./' SRP/PLL Tours very truly, ,^ C < ' ') ' P.cnj , Sarto R.Plamo^i^n, P.Eng. S anitary Engineer. * -- -- // Ottawa, Ont*, July 12th, 1949. V S9 Tho-- o n , f o q ,, Induatrlal Bygtano b p a rtM n t, Waafewn'a Coapanaatlon Board, dH .ftnuw tr a t., T tfm n v r, B 4 , ..ttr _ ?*?**? 7traT of By 80th, conoarning a eaa of f M n o a u aUab doaolapad in a workar applying lnoulatlng a a ta rla l to a u p t , <wr aa wo hawa boon a b la to aaoartain, thl la tfao f i f a t tt# o f tab aito al* whloh haa baan raportad following th ia partlaulasr oaaupatlonal axpoaura* _ _ > ^IfftrOBtly tfca aaao proeaaa la baing uaad In tla Prowinoa orQuahae b u t to data bo oaaa of asbaatoala haa baan raportad* Eoww *** ^0taa Dlwlalon o f In d u atrlal Hyglana w ill in raatlg ata tha proaaaa and lo t bo .kaoo i f thay eonaidar i t to U haaardoua . Toura wary tr u ly , v * ' * . ` . m /b s K0* Charron, M,D*, Chlaf, Induatrlal Haalth Division.