Document 1L83oKorrE8OgYGL6De9o4vX
)'
C-C. *r. i s.
I '..ctuber 27, 1969
V.'illiuJ} - Ih^-usO-Ll, ii. D. 'lanaaswo cly>rinil G^yiy ?. , axs 13S1 ^vLucZluljd, ii-ss. 01101
,irr * teasel!j
ri;c .ToiiGeius fibscrvatians uurc
by Dr. Sru-jsca end ayslf csa
cnsr visit to yuur vinyl nia.Svic ai;d_*>g and
laying ooogaticos ca
jctcixir d. Inforuaticu tvtu provided by !Sr. David rruscr, 2Jsr. Paul
Jzrreau a*il ?fir. Join I'rtV.arl.tis (ix?/ steward). As
to us, the
' cra.rc.tiaaj 'u*o, basically, n_dn^ anu silling cf polyvinyl chloride
riain* to rcaid* relatively rvall traxioiu of yigiK&vic, sivii nc tittuLers
diced.vV_' iuai cahtitia sarlxwcte nr?.* aVi*.6; fer cjicriaj p:r>oc`, tb'jr `
pigasuis :xty iX2 used in tt? 3 etto-a-t1-.
la ndditisi, plasticising ag-sats arc* adriod; the ertoo chiefly esoi ary tiioctyl phtli.nlt.tc, partr/lc G-62, an opcx^icic ccf saybeau oil, and Per.tic3 :y-r 609, xihcsc chrrinl ccerx^sitifij is not Inac,
!bu rrvrinp cjx:sc.ti-rias, as ibckazvrxl, lid not appear to give off large anuunis cf dust. During tb:: :dJ3 ;-r, Ixarwor, which is dcxic at elevate!
tai^xraturus, Jliarc st>wturs to bo n-vae w/itiauco of cvoluti.cn 01 sigaifiesat azaoititn of plsstieur. i/jcai irixuust vxrvtiiatisa io provided fur the alters end irLHs.
According to tlio ;yalcai data, r.uppllod by lir. Ihjzuau, the cost volatile of tlm three playt-.2srT5, Is thr. jjP, studies imvo been r~%eia xsbich
indicate that tills is aert a highly trade aatexial. Ilcwowor, inhaiuiicn a the ftsac can be irritating, and very high eunccntratioac were fatal to sjiimJLs.
Tbr.tc fhaos arc acetreacly disagrecr-blc at tine, according to xdo of the jnrtenrs, and aopotaocs cause -die neaa to borvas "nousocus.'1
(he of the eoployocs in tills departsjnt
Joseph Sautebesdn a crlonrier
is mJcr a doctor^ care suffering frm a long orncHtlun; however, the
c-ir; diagnotrlg appears to bo in seen doubt.
(ccctisacd)
4
V* Lv't
RSV 0020611
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October L7, 1709
V:i3.Vlaa .*% I-icsooil, *1. O* :*-nsruati> C^rt-iiral Casyr.uy
v . so:: iSbi
j;;..rtnsfio5 !5lo9* Olid
iXxur Jr# fcosaalI?
fblloEzLsg odoervatioas ocrc aa<ie by :^r Bsrag*bb oci wyself n our vial-, to yiwr vi-ayl plcs*ic srLing ws2 cftLarioriiig operations cd ^ctoocr <ia lirfcrnLticn oas pmrriuod by *lr Dovdd Praacr, liar* ftiul Jury-nil air*. *tr Jobs llsxlsrina (clx?> aicuml). As ysq>laircil to uo, L'iC ^xr^tinrts arc, basically, -rurino and r.U 1 lrg cf palyvisyl clilc.-ri-ia r^cia# to viltli relatively nruli ckjdjsls nr pigncsits, such os titcnix: die: Jl<le road ralr.iso c&sbnuatc r^,', -ilueOj lor celexing fwsrposK;!;, other plspassts sny bo U3cd in gnll irostris*
La oditisn, plasticising cgeats rxc raided; the cnco chiefly used arc dioetyl phthalate, poranLxr G-6C, as cpottUie oa? acyfcoEs oil, aiyl Scntlci ear 409, wfaeaa chcoical ecr5caitics is not Iscua*
Xiao sri--T~sg c^orutiaus, as observed, did not appear to giro off Lorpc c^ynmtM af dost. During tba nilling, houwrr, rhich is dena &c elevated tr%ieTaturrst tbozs appears tu be s-'JEC evidence of ovolntixn ca signif icant arsxsrts of piastic.ir. Local criiauct ventilation is provided for the nircra end sills*
:`.oecrtfiag to tLa yfeysicrl data, applied by Ur. Dsroau, the sort volatile
uf tba tbroo plrsticiscrs, is
DuP* Studies have been sods *Airh
indicate that t2sr is not a highly tccd-c raicrial* ;Sor;ovur, inhr. lotion
of the f'jnc cao bo irritating, end very lai-jh ccc^centrntions cere fatal
to orriml r>*
j
Thrmc fuses aro esrtrcncly disa^rtxsJjio at tinr, according to era? cf tha tfjctora, and oocctior^a cause the nm to bcccec 1*aos90cu5u
(he of the ocpXoyoeo in tills (kynraaa* tr* Joseph
& euodex
is under a doctors cere suffiring fren a lung ccniltiae; b??ver, the
sact dltgneois appears tu be in ocjsc doubt*
(cantiasod) RSV 0020612