Document VDBXRR6ORZ3MG1kGpoegXJaZ
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 15TO, ST. HUBERT ST., MONTREAL, QUE.
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I
Juno 29, 1949.
Dr.K.C.Charron, Chief, 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 8 h iP8. was r e f e r r e d t o me y e s -
r ,,,,v. a . v. 4. I b79 n6v8r had th8 o p p o rtu n ity of seeing th is type
th e^ n ef^
from your d escrip tio n of i t , I could get in to u ch ed th
the oonoern ahioh i s the so le re p re se n ta tiv e here in Canada fo r th is in
s u la tin g method and here i s what we gather from the inform ations obtained.
as the Snravd f f J r , 4SpI I y*d
f aPPl i e a t i n of abestos in s u la tio n is known Asbest 8 " Process and the A tlas Asbestos Company
^ lic en sed ooncern in Canada f o r i t s a p p lic a tio n . On y the west coast however, they have sublicenced another company p erm ittin g i t s
" *: Yhi* Process has been patented in England and i t i s being a p p l i e d ^ !
re in Canada since 1935 approxim ately.
pp
ne
to the
a p p lic a tio n of the in s u la tin g lay e r i s done according
to the description given in your le tte r , th a t i s , asbestos fib e r is soraved
liT T nohes^after i t 1? *** "ii? *
& 8pray f w ater a t a d i s t nce o f *8 to
ssuurrffaaccee oLn which the insulationP<isP*applTMied8.W8tUnS Perm.it8 adhi to the
M utrv
is ^ iL f !
W^tar
in
South A frican
< ? ! a8baat 8 f ib e r US9d 18 TM ry iong, t h is i s why i t is ne-
i \ in 48
,dlioh r s"b les a sm all carding machine.
^n ! 0 rtla n d cment i8 a lso addod to the a sb e sto s. This
tla n f 0enenti thouSh
compared to the amount of asb esto s,
* l 11 C T tha a sb 9 sto s f ib e r 80 th a t in co n ta ct w ith the
asbestos fib ers to produce the in su latin g layer.
asbestos is used for th ick in su latio n .
5 *
//
on which paint i 9\ 0 be'appiiJrT b e t U r ^ a btt9r finish of a surface tmder the fcna of a thick slur^ l u T u * ? ?*?" * asbestos1 used
Banner similar to the application of paint.PPU9d
iprayin6 gun in a
th in g I w ill ^ 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 the r9Si0la of Montreal i
nough to produce a sb e sto sis.
exposure to asbestos is i m p o r t
a)
b)
Z T Z l a00" " l' " " * *>* Aa ta n -
i t 0 t h a t i t W ill cover and s tic k ^ O th e e ^ ! sbaat<B* *d shredded w ith
.X ," * * tte -- -- 0)
x r-* -* - -- ^ ,, y
W i n to
" Y l " y" - f t *' our 1-
but our finding. uhan n o r. p r .c is , date S T 5 t a " 1,111 * r taow a .
Tours very tru ly ,
Approved, D irector./' SRP/PLL
'
P.cnj ,
Sarto R.Plamoiiijn, P.Eng.
Sanitary Engineer.
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//
Ottawa, Ont*, July 12th, 1949.
VS9 Tho--on, ta g .,
Induatrial Bygtana b p a rtM n t, Waafeaan* Coapanaatlon Board, 411 ftw--i t r a t . ,
Ttf-- w , 1 4 ,
..A ir
_
' .v- '' ir;*, . . ;
* * * *
of "y 30th, conoarning a eaa of
afMireon.irUh daaalapad in a workar applying inoulating a a ta ria l
to Up* w aa wo haaa boon a b l a t o aaoartain, thl is *fa#
f i f a t o tt# o f ta b aito aia whioh haa boon raportad following th ia p artic u lar occupational axpoaura*
_ _ > ftff**ntly tha aaaa proeasa la being uaad in tla Proainoa orQuabae b u t to data bo aaaa of aabaatoaia haa baan raportad* Howw *** ^0^oo Oiaialoa o f In d u atrial Hygiana w ill inaaatigata tha proaaaa ad lo t aa *now i f thay eonaidar i t to ba haaardoua .
Toura aary tr u ly ,
v
i * *. `
.
m /n
K0* Charron, M,D*, Chief, Induatrial Haalth Division,