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th a t aosa duet I s created by mil th e operations* hut I t would appeer
probable
grading e to .* th e exposure to duata cay be alight, Xt
Oa o th e r f l o o r s , the handling o f th e shot* In s o r t i n g
0018536
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in g , In o th e r w ords, i s n o t fia clea n as
construction ns to be d iffic u lt to heap
found to be neoeaaary to doorcase the le
i t would secfs to be ad v isab le to improve
s te p s e t c , ) usd to do a l l c le a n in g by va
3uoh c o n ta c t m th e workme
d usty s u rfa c e s i s somewhat- mors issixjrtaa
bo, because of the poor quality of the w
provide clothing fo r use daring the work
rooms mid double lo o k e rs , fhe need f o r
the oth er hygienic steps referred to dep
-o f the o v e r-a ll exposure to len d , which
determined by tb s study of a rep resen tat
I t must be adm itted, however, th a t th e w
room f a c i l i t i e s a re r a th e r aleaeat&ygr, a
no adequate lis connection w ith an haz&rd
Certain other a c tiv itie s u
in the shot tow er, but c a rrie d bn in th a
fha p re p aratio n o f the o c ta l fo r staking
they h i t , and the handling of th is m eta
i f they a re to be continued, should bo r
prom ptly,
present the duet evolved n
re s p ir ito ra during c e rta in operations an
apace a rc cleaned up, th e use o f a r e s
K~ 0018538
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rocas f a c i l i t i ca &is ro tise ohr^ittf: ' >? ovonini? voul contribuye $9 the ffeotive f i 3tmllovln& o f Xsad v lth vobaaoo and propor atten tion to th olaan lln ese o f o oa# I t attorno h i$& y inauvt sabio to 1o 33QS0 ln th eee sa tte re* tihm eua* dttr Mag the total load gspasara up a &ds ioavoidvole doonpstlonal asjsoatirs m $ no In sh is oaHasotloa* Uh* h o b it o f e&ewing aavantageous to fche wcrfeien and s t o d n h saltn taa to sdvisa tb reafcrloiton o f a
t t asesas probablo tim t tha
0 j . *ovi # a r eno1ms at mosf er e ovor l yi
fa r t esperia# e t e e # dimin ludaa sho fuso vsifchittg poittt.* I fg WmrGfVMi tbaee lo esr againat splllo& e e f matal or irono* othar aitrfoea w th la tho v io in ity o th freo o? stator&tl .rbieh oonlft giva r i i o l l t t l a baser n th ta p a ra tares preval questiona th eleanlineaa o f tha aurroun quatti i t loa o f leed t&ioh uro swaXlcwad b o f th Urtinone o f hi a oumundlnga oX q u o a tltice o f duet *.ihi<sh are unmoeaaaar by at r ong ci i nvect i on current es sveepi ng n
and th e s ig n ific a n c e can pr obabl y he oee
by taking Into account the decree of the
time o f entrance o f m n and th e duration
rangos t should reeonaend alt* sampling
com er ns t o Indicate th e degree o f cont
subsidence o f the lead p a rti le s, a s a k
should suggest the a d v isa b ility of confi
t o th e space I n which i t i s produced, by
to th e ranges th at a minina! noount o f d
th resh o ld * w hether in the fors* of. p a r ti c
of the door sill* or as tu to ria l carried
entor* th e c o n stru c tio n o f th e detrw&y
while A simple type of scraper at the en
care of the la tte r ,
*
V arious observations- 'have c o n te n t`o f th e atmosphere in v a rio u s p a r suggested th a t fu rth er observations be c coning y ear in o rder to ob tain d ata whic P e rio d ic an aly ses on t h e escoreta o f work
By reeeon o f fe e somewhat of the p lan t w ith respect to Imsewfesapi certain feat a ir analyses w ill not revea spoaure o f workmen in a comprehensive m resp irato r arc used in ecae are i t Is
1r*4V8>`f*c s re l a no o ther s a tis f a c to r y way o f e txposuro o f the# men. In order to o b ta
U' ' n atio n by such neons i t l a neoes##?? to the lig h t o f esporieno* vpn o iis a f J te M ^ ^ ^
Duot-Xaden a i r when TammSh in tho p a r ti a l deposition o f d u st on th e p assag es. V a r la b le p ro p o rtio n # Of ouoh o f fan t o r s , e n te r tho n&soph&rynx and ev t r a c t , whence i t is la rg e ly evacuated w th e re fo re , the q u an tity o f load which ap one day, alm ia tho q u an tity ingested w it ' " tob&eoo (o r o th erw ise) on th e day b e fo re deposited in tho nasopharynx tho r e s u On th e b a s is o f t h i s p r in c ip le , tho stud exposed work# who have worked on th o d c l e a r id ea o f th e e x ta n t of t hai r exposu Inhalation, careless Ingestion, or a com vary u se fu l, th erefo re, t o study the fec mm a c tu a lly working# but i f two o r nor# working day and th e c o lle c tio n of the sa valueless# Such aaaples should not be c d u rin g any itlnd o f h o lid ay o r l a y - o f f . P evacuation o f feoos ia su b stan tially equ Xt i s hot e e e ssa ry , nor i s i t f e a s ib le
as to what 1 desired* w r itte n In s tru c tio n hands* whore th e se can servo any u sefu l pu ars e i t h e r given to the when they a r e rea or* b etter* the containers are delivered t am ple can he collected a fte r or before m and changing clothes* The necessary in s tr following paragraphs.
The ohm lcalX y c le a n j a r su o f feces must be kept and opened in a plac o f dust* and in which i t w ill not bo overh be kept sealed in i t s paper bag u n til i t I
a single average o r rtomal e c o lle c te d d i r e c tl y in to th e j a r . So In ter used* nor should any p reserv ativ e o r other ample* (2 f preservative la required a su added in th is lab o ra to ry .) Orest cure m a introduction of dust o r any o th er foreign Lasatlvea o r c a th a rtic s must not be splay cefiioluc be taken fo r a t le a s t fo rtp lig h t tion of the am ple* except m the advice o
The ru b b e r rin g should bo c a elcaped carefu lly and securely* th e Ja r sh name and d ate* and se a le d in i t s paper bag
K f 0018542
Lead in th e urine# as d isti feces# is the re su lt of actual lend abso and concentration: o f lead vary w ith a n which# in o rd e r o f d ecreasin g importance lead actually available in the tissu es o of the stream of lead entering the blood p o r ta ls o f absorption# n&, (3) th e w ate of tim e. t t the individual under study sig n ifican t quantItloo o f load fvos the she u rin ary lead le v e l la in d icativ e of lQ*d absorption# i*e* th e le a d content o smkes th e determ ination o f the- u rin ary le tio& l tilportanee as a aeaeare q t the eui exposure ov er a octieider&bXc p erio d o f t To be o f asnsial iv alu e f o r t h i s purpose# samples o f s u f f ic ie n t witus to smooth o changes in ra te of w ater intake end outp samples ere le s s valuable .th m samples c period o f tim e. Spot samples# on the o t adequate c a rs against minute contaminati o f the examiner# ru le out the 'a id e n d in g a c c id e n ta l contam ination o f eampXea whic w ithout c o n tin u a l supervision* In eo&e urinary samples are necessary to a sc erta
?ha ahaaioally clean b o ttle o f u rin e sauat be k ep t cad opened in a pia duet* and n e ith e r excessively hot o r o f m a t be kept sealed in its paper bag u n t be stoppered tig h tly cad returned to the should not be mad to o b ta in e&mplm w it periods* unless th e preaicec are uisamml compounds* I t i s g e n e ra lly ad v isa b le toto th e horn whAp* th e nm p 1 can be c o lle hours* a f t e r bath in g and Changing slotho
Urine should be co llected a t convenient tin e s over a period o f tou than th ree q u arts have been obtained* l a be used* nor should any prstervfitivc or th e sample* { I f p re s e rv a tiv e %m re q u ire be added to the container in th is lab o ra exercised against the introduction o f du m aterial Into the container during the p q u an tities of water o r'o th e r liquid*-sho speed up th e c o lle c tio n o f the Simple* m except on th e advice o f the physician in
^hen th e am p1 to e been c be stoppered tightly* labeled w ith the n and s e a le d in i t s paper bag*.
c lo th in g b efo re one rin~ th e roost in whi taken and oust bathe*
Approximately 100 eo of u r d i r s o t l y in to th e s m p ls b o ttle lit- th e p . o r tt&n&ant* Oho sto p p er (and th e p ro te paper) should be resowed nod h e ld by i t s a tta n d a n t no th a t i t nay not be contam in dealt, tab le nr other ohjnot* I t should aa .soon a s th e saap lo has boon o b ta in e d , covered w ith the f i l t e r pap er s h ie ld , ?.l r^ to ri& l r.&y be added to th e sam ple,
fhe b o ttle should be labele p a tie n t and the date add hour a t which th
1m
peaked w ith earn a g sla st th e p o s s ib ility t% asset be easphaala e d th a t
in d u stria l plants should be obtained und ` wor&sum S at removed b io olothing* gnd he
then lies entered a olsan. reeas, fre e o f d voided* Xn every in stan a th e fiappep o removed and hold by th e aseminar so i t w tab le o r n b o lf o r otkssr su rfa c e , A fter i t ohould be returned d ire e tly to the b o with the f i l t e r paper co v er, snd assured or strin g * I t should a ls o bo s tre s s e d th
K~ 0018546
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paper cover should be re p la c e d and eeouro
tube by moans o f a ru b b er band*
The a t o r i l a needlo provided
be used to withdraw approxloately 10 oe o
blood tube* Under no circum stances m y a
substance be added o r any iatertsed lata co
the needle be e to rilia o d by boiling: in w
be rendered non-aterilo accidentally* i t
before use* A fter use i t m y bo rin sed o
re tu rn e d to the tuba* Cotton should be- p
around the hub to prevent breakage in tra
The blood s ta p le s should b
o f th e p a tie n t and the d ate end hour a t w
and packed w ith ea rn to- nee th a t th e cork
aay hot occur in transit*
.
The cample should be m ix e d
le tte r in g Laboratory o f Applied Physiolog
C in c in n a ti, Ohio*
Suggested Froeedn.ro f o r tftw
In order to determine the sa
posure associated w ith the operations dis
d isco v er th e v a ria tio n s th a t occur from o
from tim e to tin , a group o f re p re s e n ta
on th e basic o f th e ir r e l i a b i l i t y in doin
and on the f u r th e r b a s is o f th e ecnotanc
ploym nt iti re la tio n to m im p a rtiti !a * tjrpo o f ooemmt lonsl erpoour, ( M a s e lo o lo n wa m e t e s t t a t a oonfArrneo
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fsaoa workmen darin g th e year* i t Xa suggested t h a t blood -and sp o t u rin a saoploa be o b tain ed on tiMm prom ptly f o r ennlysio and prompt re p o rt by telegram ,, the# to be cheokod* la te r# I f need be by la rg o eaoplea o f urine*
r i l l bo no complete na poa,iblef Kadleoa to aay a l l infcnrsmtlon
KE 0018548
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exposure on In d iv id u a l wqrr&a&a need not b
the actu al coot o f lead nrm 1 approxim ately 1^*00 p e r sim p le. ' tfc pr work. a t coat* usd a u g u s t th a t te tia g to o quarterly* fo r the cost of the attalytlea p lu s such expressu* postage and tolerjtopfe
the q u arter. I t any trip s to the plant a
w ith t h i s work* th e cost o f tr a v e lin g w i f o r prtwspt re ia b u reel# Ayeh trip e * obvio a t th e re q u e st o f Baoington Ana Any b by a aeaber of the s ta f f o f the laborator auch t r i p w i l l be- m & Jsct to autsaal undo such tr ip s are an ticip ated a t present*
of Ap
K 001S549