Document DDQm02JBGMjXZk6jKyEvXqExo
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K r. Trank C. W right, S afety Engineer U &. Haval Ordnance Laboratory
White Oak S ilv e r Spring, Kaxyland *
Dear Hr W right: .
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Toor l e t t e r concerning properties and safe nsage precautions for.'
In erteen has been re fe rre d to ne fo r a reply I as sorry fo r the delay in
answ ering, but I have bees sway fToa ay o ffic e "a l o t during the' l a s t month.
Since ve sake capacitors containing oae kind of Inerteen and tr a s s form ers w ith another fo m n la tic n , in fo rm t i c s i s given f o r both since I do
n o t know which In e rte e n i s o f concern to you Capacitor Inerteen i s t r i chlorobiphenyl and Transformer Inerteen co n sists of 10% trichlorobenzene and 60S hexachlorodiphisyl I t i s expected you w ill t r e a t t h i s composition as
co nfidential information
Prolonged o r repeated skin eontoct w ith unj o f th e c h lo rin ated d i phenyls should be avoided since they hav^ sane a b ility to dissolve o ils and fa ts Ib is is p a rtic u la rly tru e for the less chlorinated cccpound. Chloraene could also* develop where prolonged skin contact i s perm itted rep eated ly I f
the skin is net v e il cleansed daily for the reooval of these eontaninants. However, the occurrence of chloraene has not been reported frequently
I t i s w ell to provide neoprene coated gloves and aprons to prevent sk in contact and c lo th in g cootagination where necessary
Prolonged o r excessive vapors from excessively heated Inerteen should mot be breathed The Haxieua Acceptable Concentration f o r trich io ro d ip h en y l appears to be one m illig ra a per cubic n eter of a i r and 0 .5 milligram p er cubic a e te r fo r .Transformer Inerteen 7or triehlorobeaxene i t s e l f , the vapor eoaccr. ra tio n should n o t exceed atout 100 narts per B illio n High concentra tie n s
86 300056
cc
Mr. Trask C. Wright
Boreeber 2, 1SS?
ay prodice i r r ita tio n of the resp irato ry tr a c t, eyes and throat* I t la be* H a re d th a t rig td .fi coat r ap er a aho d d not be released f r a a the ehlori2*ted .* d ip h en y ls r t ta a p e ra ta re s belcv 153? where good general v e n tila tio n i s pro--->*4
Tided. - -
a aS ig n ific a n t sk in absorption fro o 'the ch lo rin ate d dlphscyla does'M rt
to be probi eej'bow rrcr* p ro tection of the akin from'prolonged aspoenre o d d prevent i r r l t s t l a o o f th e akin which i s ore im portant eonaidaraticc'
Where adequate T e n tila t l on cannot be provi dori, where
^fcr
abort periods of
fcr..ccocnitrations aH ghtly in
o f the Karl a m "
a IT* .&' :A cceptable C o n centrations/
Boreas of Hines, approved charcoal re s p ir-
a t o r f o r organic vapo: a .sb o d d provide adequate protectio n * .-Tor high vapor"{>
'concentrations onder' u rg en cy conditions, a Universal gas sank o r s d f - v * v /- ;
acon tain ed equipm ent/ th e re crygoo d eficien cy aay e x i s t , ahonld be* provided.;*/'
A ll r e s p ira to ry equipment s b o d d have U. S. Bureau of Hines approval f a r :r'..
th e use intended.' Adequate re u tila tlo n is always p referable to provision o f '
r e s p ir a to r y p ro te c tio n when p ra c tic a l to do so .
I b e liev e th is , i n f a re a ti on. answers your q u e stio n s, b u t i f th ere a re
any
other
ques*;tijoans. o"jr.c'o*c.neAnts *fee l
very
free
to
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*e.. k.*new
a.b.o.u..t then.- ****i
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Sincerely yours,'
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VES7IHGECUS2 ELECTRIC'CORPOSAtTOB
EHSssv
H. V. S peicher, AAnini stra to ; Industrial lygiene
87 300057