Document MGYYb6XY6641OR2O58eN14rpa
-m th Im A Wm&mm tom it Uh
m t% m o f ttrfM hthm % th tm n m t m . o&to#
ft o f Jlapafeli# t*& SwjpM &iftti,
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pX,@p,,.ftaaxfi.A.a-?X./r..-J::g.-;.,air!teat
f&e M S M i o i i o f th i f p i f t a n o # o f
ti<m#x loi G&smnm W
tm %m a m u m o f th# MT'
io bso on th t fflftm lljr -ftWpl* p rln u ip i# t t e t Xoa p oison in g
in intm try occur X&rt#X on. .tint r#X% o f ffe* %t&m.l.tXm. o f .
asncofooo <patlfct o f pw fotm l*m im #&&& am pm&mh in .
tuo atnasphsra o f wrkrnosg* I f Imo &## obitinned tb o t i f h# .
oonm ntm tisn o f Xo&d partloX## in tb*
m not. . " .
omm& o erta ln XovoXo* mmm o f p a lsonine tttto m 40 n ot oomtp a*:'.
/: '- Z'
aro so s l i d os to bo o f XlttXo #s* no o o o <I|U0O s * % m m on o f .
v a ria tio n # io th m ttm o f ooii,ootin *a& nn&x^iint o ir weep***
ad i>m m m o f v a r ia tio n .in msob f& otort no th. trpo o f !*& .
oo£ #d la&grt o f dl&tttl$n in ft lw n iiy und bostie... ;
o f mmy tftsaoi&tftd Oftettp&tianftX aoadlMOfi# oh m ^ v a ll i t i # - ;
ternrjr&mrm Xangtb o f t&@ working- d im a n tM iiiftftft o f ' ',' : '
oopiojm n t* tim tm th X m .m tm m g m m m load sp orn
hav# im m m t * t Q ltto m m XotoXi b f iit m m ttr iitn ia worker*'.
At p resen t t% oan i>t *&l& t l t&# ,$einraX ooaoonooo. o f opinion*
m m ix # v th ih o flot*X . and s$i#af#isi#X ogmAi** favor# a ;
' p&mlfsfbX# oonft&tristi #is*di$ bftbWM-. X milligram. and 2 \
n i X l l g m t o f finftXjr pftrtouXat* !#& p m XO ttbla t o r # o f
air*. Hjr ossp&riim bn# M iftofttft tbaft 'th feigb* figure*!*#*-
a m./y>
if* a m S on*
o f %tm typ* and subdivision
o f th e Xeod egapeund* prcrriodvfont>rl fe^gionle oon ition s ar.
e&nt&ined I. * a m ia t e ir tilt# a -l3uat r i a l
pr&yt&or aftdieel
te elim inate %h- d e f in ito li
u n ftt \forkm? tv m th j>3M fapelebloi**
'
Uh# jisw le la iia l. eiWAsd^er e f th*
bove ugge#** ffc*t alt M&jrtMt a* t i a a la &*tho4 e f fws&ufitiag
ooctpational %aA *a$fr*rt %mm eesaethinfj tft t * dtto&*;' $ceh*:-
\mfQrtmtk%QV9$ la th &* th# d if f im a tie a e f Mapllag th .
al* ai rer&ioom ni m m M m & h l * * l th*t viss*labli,ity *n&
p ericd io ity la th# a s ia tic a # *
la plm% #$uii*it #4
ventilati***# aa& shlftin- wtathes* M attim i* mte&m* ?
feetor vhieh attat b* eheaite&t th# atfce4# e f an alfo ia e f em piee
anet be o f th **t&e#t preni0i#n# and #ttnh
1# n e t s e lli
obt&ned around ladsiit*tft!l p im i* itti contimlnf#& atsasphera, .
M4 t* th# tee^ate ! R ifilim i ti th fase* fh * t th# l*d
abgerptla of mTkmm %$Mm glven m % ef f#$icyie: nonam e a
ie detersiln#d isg? th iettiti* of theii? w M a | heuy* In a spoetile
amn m, bj? th eh#*##ter ef tbstlr **p3ratioft awint <&t pe*iod
ffce rute ef pelftonasp trentiiaiie m&im-fmm $ lit*# m v minate
te 0 5 lite pr limite# 1*@# f w 8*fc cebi# et*# te-if cable
reter per 8 t e
8$>#aa#at n pm ttm degne c i
cii*tlo *#q#i*d bjr tli# ###t$i&aa- A M tm aOdlttea! trariabi
th&t reietiveip oe-arse partici#**
v*teh th luag tlesti# but
aro
l th pp-sr s^ sp irater^
m &* enbee^uentli
f# U w 4 tmSL s#rtXy b##ffeeft la, th aUmentary t* m t$ b ile
r i s e l i d iv id er p a r tic i# # y he se em ail a# to behat# l i t e a
gas and se he breathed m t in la rg a p art a fte r enee
been
w ith m t belly preftiefcifcA# m m ito * III S d itio to these
.,/^7'
m*t&9mtl*Q9$[. whiob ta be mmoeo by iaired n ein g a %atr&*
fasto* o f safety into tm lev el aasepted m p srn lsilb l* (m
-7'.:'
bav don h r u rg as thft adoption o f the g o m n ftM io a of 1 *g/ 10 l 9, ,
me the oaf- level}.* th e re i s th e probles* o f **&*$ disease asea#
the workaum m faeton in s e e p tf b illb y io \o& xpotwre* f t i 7 7 :J
w eil known tim i gensmtl vassals* intmtm* tm oowmtmXlf liv e r ... ..777 disease a?* Inr^rtisnb G a to rs in s u s c e p tib ility to lead poiBaing*y7 ':
while oirrSam other types o f lim e s # of# .so dificm lt to diffbts-,
en tin te ciluioiO iy f m i th e feote o f lead -absorption ss to previde...
enees vhleh miai h handled ns though they m m leed poison ittg#
i f once th e .p e e s ib lity o f lead meesfttifl&e 'be veeogaised o*
believed to be presen Tbere Is .sisean th e problem o f deciding.-.:.'.-!
hteh condition i s rtspQ nalhis fo r iim #ss- o r d is a b ility * and. ' '.
when th is deslean has-been sde the o th e r i lik e ly to b . '
regarded as oontHbuto*?
-. "
t t m ot, be parent* therefore# tim i sons-
7
ad d itio n s! neau*ee o f isgglmlo- control. mt*% be ssereieed*
-
not only to avoid bamriou lend
bas to- o b tain -more o r .. ,
lo s e om titm & t p&mf th a t m nh eeposi&e % being ..currently voided* t h i s *n be dont i n 'th e opinion o f mm w rite r only
.-
' .^ 7-:
by sede o f re g u la r end Adequate.- a&Snat' sagrereislo s o f verteesa ..:;:.-7S:
Snob eapervielsn e t (!) osasi!*! the p h y sically u n fit* i.e,
7 7 '7
thorn to ho th e lead espesare o f the' occupation w ill probably ; .; '..'"
be bese#dsnt (2) alte ouch. eb*fS*atiofHt-est the exposed m to; ' 777
determine w i t h e r o r not- m ay *e a o t m i i f abse-ybind ig s lfie a n t
title . o f tm & t O ). a iu ta la M reseeds on w ill pro re the
il
l n e s s m a s te telad # %m, m *
i t le so t# hy
aavlvU is su an
#ii?aoels # te s sem a i natur# # te* '
ln ##* lot t e m torts te # getftUJi e f preaste*# te
th abo*# puspo##*# s u f f is # i # ta #ay h a m te*rt pmmwlQ&m&t m&
p e r lo iio pix?8,ioii ssalaailo a f f a lr ly
iyp#
are rewir4f aod t b s t totosod
# a seeftyd typa
au#* Isa md # roeos!#* $tt ii$4itio* te # urimri? an #os&
l&& oxcrouian o f &t Im & t a fm# rep###tettw laerte*# tena#
ix? doterais# n% ia to r m l# * ami#. te eiise# sism&atin
otedy f te# x#a& emretlo* teouM ts* m i# p m p tly *
tfcs.sbs*# f#eoaiis4ati# ar# pisdi&to#* of-
qoofs* upan tiw
MsaMous le&d #*potu*s# or iipsm-
teo sisteme# o f l# s 4 aspaste*# Mo& 5m# a o l -m m p raw te b#
ferai##* and hieli tesrefer# # say W #n 4** fmaploion. & a
rtaw Ipaostry* o r in a n w 'preostt*# Xm stiM ng Im . in. m old
iadustry* le,nu. esspomtre #?HX tistiall? fe# mfj&r&sA as h&sitrenft
t e r parpe## o f e^-poB satiss as*
m E i t f e s botm
provo o$fc#r%#l#t*.
o# te * M ai &t te # te#*##!!*# ta$e# te#
lod hasards f te # plairt $m #& ap*s m m i# *tm m teeasstofos .
%n oM s* o f 6w*sa*toiff 'to^pastano# a s 4#tt#*** (%} i#d j^sars
darin th pmtribg aM ts ite'g e t laft h o sta l (g ) tm & m m m m
m te r e iU o g m%l i s * vh teh appW R tiy a% x ts so rs# a t te *
'blooalnf %lt m& 1 te s# Inrt p r te te ly si*piios&t * 'fchr
o i n s * O ) wX<Un& &a *#sarflsg p r # # te o s ar# bsth ssaseiat#,
v i t e a asceitetts p rom eti # f tema* {t% i s
thst te#
hasardo o f t e l# typ# o f t#X 4# mu es a t te# s i t o o f mim#f^otur
m&f os othw* hlgfeelMBipento>e pr##**### iafolsradU)
' $h# 1*& 'mg&aM&Q a sso a lsted iti?/a thn pmiring
u t locata 1 betng hc&uaicd Iti pjpfc tsgr X#*3L v e n tila ti#
Tiic-re le evidaaet* ft& fi* * o t m w & t t e o? th p#oe*## and
froa th# e l r am i?## thafc tfc voiitiXfttla l e t hellfr
far th iw poee fM # f#o* M b#o *eegi##d
r-laafc m
ptrMMM& ad $U*mi ver* esuter w .t steod
tts0 v e n t ila t ie a t e &##* SSm *w$u * e siste * Stortali* @- a d i # .
enfision o f th hamraa arifsing * t th $on9ln& gXtttfawi Irnve
hcen yoeordod eleoliti*# and xuo& n et be diesedt bre*
O f f i c e ifc bere s e day tua* th dir#* a i i3$rave#n* *e#ei#4M96
\.ltn cfceisgee In th design end eia o f ven tiX n tlog and th*
anfoty Giiuipraent sw st 'he datami?** W a r i t i # # ! .and r lg ld
etu&i## o f th x#md ocmtent # f th ai* o f mix imr&lng pmm
th;it ore atfbleet te een tan im tieiu
.
. Sb* #xpeaur# ftM oelat* v it h th m olau e f i x i n g
promette##* and $#&*9i&XX- th&t a% th tftoaalnft s i l i # l e et. under-.
contro!* in y optale?**. os la iih # !y te g ita o e a a i w tb i# d if? l~
euXty# ^he profeMi e f erotta!' fcam le Ad<tedly a d l f f i e u l t
or?#* taobnioaXXy* Dot m m %$pv &t I o ta ! ventilasi?* ^ewld appe^r
to he reeguimd.
Stia e sp o r n e -Utah arioso tra seas'fiiig* le# X
thlnhf. t* aorta** eoo* i f oeatlstsed tao earogh *m& that aarao-
otatoft with
fcelaag* le tm m m eat*gvy*
vMth ss* e ia g l# esmtpttan t th expearaw' o f
pourtag th tageta* hielx aro rrodiXy be a r o tta llo d by th ta*
prove* o f proso* v e n tila ti fro lliti * th othor opera*ira
o f f or opportuniti* fa r expo** Shai w l l l he d i f f i e e l t te mntroX
zimM <&m trstet1
by eoiXftttia it* nitbes* tfea* by d&Safttag
^hioh need t be i8oasffli& how*, i t i t t$viaftb&a to rawwe i
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tre th* xhsuftttA ai*-la
defioItXy projoatad*
wtmtmm* m y b* 'tiw an*** o f M a ttiifg tM
load aspoatttrat* a aoRtlnro! atM * t m n itlm ahaaid b* oarclaA
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ha# o sio to d o t w th 'p m t
tS X l tm m l o f t it o m m r% In
th r e m e t Im tt ebeo&b#I b y eupoate'
. i t In r*eemmmto*
tim t 'grao ot m ztsm & b e
m te. tfast$* x m .ex m m tlm * . V
A mmbnv e t nm ho are raf^soatoti* e t th* vam h aspo*##
MXier* t e esci#* In 't* $ u * t ohoald h o tto o to d oh tho te n ie
e t th o ir r o lla b lit y In- m rvif &t Irm tam etiem hhd on t$i
-& m tina th o lr ahpl#ersBh n m m oonditUsn e t mpnev&e*
*?vqi?.9 n m ohould he g l.van tfcoroa^i.
mhifcatXoao* i f
titv' Iv w g m t m m n tX y hem em .im # togptte?*-
th rvrnthm
lbor^ te ry prooodoroo* I t m n A be hoxptol Xf th# rooor&o (o r .
oo le e ) ot Shooo o s t i n a t i ano vetro og^liod t tato
ot * stu&y la eom ootlon ^th tuo ahsljrfcloaX rooui*#* In o M itlo n
on# or to blood ottoorii san emh. m 8# a i t ho ooltriblo fa r
d lftfo ro n tta l ctnmtei e s$& oo o ho ob tsinad m& sosst t e tteio /
labornto*? fair e m e ln n tlm m *%h6W 0& m% h fU M o r otolnod
but tm re ly d ried Ih ir* mrfeod -for Id o n tif io& tisn m %hm..
rrochod In a bje aM em% by im%X+
m ^Leym oleetod far
ths- purpoo iSiohld ho &*wr&4& nitfc & ooafcfsdnor te r tho oXX.<*
t i on o f h i# risi* i%ad Muid he e m e tn lty inittrnotM . m t e tfc
seaa# o-f o o ilo o tiiiii .th o m io * id o h ^ ia e r fa r ili# M gft
ami ia#t*tstl<i*i Iter th o ir K&lftttloft w ill he ahug&lod m& In mtih:
enee th s em & le* w m t he a o llo o ted e t te e m m e t th sapido* )
Pon&SiSg tlm
e t n fo r m ttm m te tito
oigoifiesiw i e t tM
load e t& m m ii llin osoo# o f m $ : .
t^po s& m $ -ttottam &&$& he hex.%*r t e ho te&
oithoj^-
by th s t&m o r hy lisoal. phs'ololoho*. t ooh oh## p**oof e t tho
oorrtothooo or im rrm tm m e t
obouid hn Obt#lnd
&t tho o^erllottt peeeV ble timo* s^or tM # rooaon i t lo h o liev
should bo riven oonploto and oat*fUJ, olinlosX o%o%* and ttm t
on&lye of blood and jji*fcii tihouia b errifed out # &a aid
to differential dla^nosl ad a proof Of its OlipM^ifefBfe or
inoigntfleesso of the lead
Aanrangra* o m tm m&o
to o&rry out the analyses immlved In till ffWf*tofciosi if
i t oeesa doalrabio th a t ttw f b d t 1 till Xatwntogr*.
his assoraadiss talent sir m u n fa ir tepronalon
i f i t i-ru not pointed out th at i t &%m tfhiofr have bB talt.
to otudy and t o c o n tr o l len d osQKMM&t in t h i s p la n t have h*
in csy .rpinio* uolL oonoaivod and troll e??3titd* fhe fs^s*
"or* t:a examination of the sposoA tmffesea has provided vmtaSL
tatorcmtXon ait a bssio for further study* thin should fc* on-*
tirmod in a arsful and studious msMtt* ?ho tap taftaa to
proviso rsntlla" ion have been in th rifgst agraetioft and remjir
only ruu^ont^tion. r:ot? luiels fea^^mont^tloj* nod in #mt additional
cross# remain to ho seen Orantlng that tit present lead osmosur
can bo control,led atorpafsly* bm s|or prbl& S'gemltt for serious
oonuldsresioa* fhe one*
on bo handled by a* -ttaasi?*
o f the & roquirod fo r pt>nb {Kapptti#^ has to to -with in**
oroaso la tfc production of l4& febtol* with wwponding
increase in hatord* Obviously th Ifergor the proportion of the
woifelng toy spent in &s3jU j& leaded, t!* the groat* the xpMttr
of wortaa, If tbs praaenb levels of aspsup wore statistiaod
to'Uy and hourly# !&& poisoning would surely aeon*, this factor*,
therefore* oust ho Jtepb in mind M mtetied* lfh other# mro .
difficult to grasp fend to osfcti#, lo the estenalon of th ftMsrda
of lend xpostsy bysmd ife confines of a plant* w&er they or
** 9- **
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abjeoti t e eoot*X# iu te tue mt&MA&m o f la rg a greep o f
tiare or Iwid
bA wmp&rviee m rkm m tso v i l i
abrtGttte e rste le tsy weMltt psraafaree ^ t y &thp I m t t e -
proemia* u s t e
et#3U $S.wrlter a ida*. Xtaw f r
m e iisager e f XeaA abaorptleri fro* tM a ot# I li. m%m& r
ha*# ig n ltto u i thejr w iil he# fi- ta sk & h m in f a r JtsagMmt
in thits regara aree** WM* ftlAgMaga#
m
niarmiais paM itlm 0 ~ sa rasi* a p e siti aula net he
by th w atiam *- beta # cute
e li e& tfhethti* hh# %m%
iidustry ae a tso!. wtoises t uso he f^sparm txiity l r .
& traaattlng ett tmdeisfsiims' ris ii ia to th traea stM
o ra ft* whlcii are ceOes$s@& with iti* jmtfiMtt* o r tthether X$
esp leta te proventi e s tu a i tane* tssr m t e s i n t e a erf* f th
uno t whltb l<*de& s te e l $,# puf hy e& rsryte out a
atudy e th ^mgaituA# e f th Xea4 spemire &aaoeiated vUOr m%$&
xs'xm*
.
fS K F f TMI S & i E e tttr te f tahoratory o t
A g lin a $&gr*&ol*iflr
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