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(A t o A* " w cr. * rS S 2. 2 ? 3 o O, r "n * o w- o~ Ct 0* "8- * C" -* 0 ~ c. _ C* ~ T n a On a n O g < = 1 6 c. 5 3 E i < s 5* * w ? A A 3 0 o ** O' sr 0 - n >< w 3 1 x w < 0 3 * O ? 2- 3 r -- r T" 2 O irt m ft T;i 2 < o *1 o ' r\j Cit ^ ? n :i -T--l O cr U) *0 fS "T < P-* w o u o (- OP 3 n K i# O n o s n O e. n 3 < *! o ! row yy ' *N r MK.r.r^ox Lnstiti-tk. Vm'-simKHii, 1 'a. '?'? T !1. P .ohliu P a lh o lo yicu l Sym ptom s Due to In lu il.ilio n of A sbestos D ust. >3 5 = 2. J A C ** P *C rr p o o p rt 5 3 h r* rt 5- n js 2 P v b * c* 3" 2: <a rt w* n * rt ~ rt g-S v: -a _ C I? g -- rr rt " rt -- (A 0 rL w VI rt c * 3 Z rt 5 | <7C ... rt c * 3 2 ^ 0 rt - rt v: ^ rt 0 3 3. v w* a r " - H * o p c. ... ^ rr ST n 2, Si _ rt (V < "* $ 3 s <* 3 A-f * -- 11 n_*_. n rr a rt S ~ c. 0 ft* rt =l/* TMrt c * C w -- *J I % H O' _ 3 A A 5 N rt u* - O * S' y -- ^ r- 3 3 ~ '* 3 3 S- 1 rt n r _ rt rt >< -Z 3?r 3* p /? 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V o i A. Solomon. R adiological Features o f D iffuse Mesothelioma. Sr to 22 JI i cn ro / rf r I. I ro*M TT *4 MKI.UXN I NXTITl'TK, PlTTSUI? Hu II. 1.\. ft ft a. ft JT o * - ft mmm J* 3 ft o j ft Q ft V* 3 a ft ft to T5 ft ft 3 n Of ft ft o Of ft O * VI y ft ft o o ft 3* VI VI ft X o XJ * ft c X 13 ft o ft r *3 v ft ft ft 0* c ft O* ft ft m* < ft o a ft VI ft ft ft VI O o o <0 ft yo c Of ft ft .CL C9 VI Cl ft **< ft o* VI oft X o ft v* -- Of * * ft ft 3 v* ft O' nS-- ooo 3 *o I/I ft -- ft ^ a. ft 3 w* B ft o* Q. O ft ft S' n -- ft ft* o a* 3 -- n O O -* .. ro o. LT1 vjcn i m ^4 o rc . o' .o * > <ji * 3 r* .ft fta. O ifl 3 o 3 n o ft 3 Cm U* n o ft0 Of cr 3 a. < Of a. 1 * %3` Cft 3 o VftI a, ro o CD O I ftt l 3 l & > ft C -- ft V* 3" o v* ft ft 2. S' fftt -- 3 ft I Of V* VI X O ft e 3 i 3 & [ J. McEwen, e t a l. 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A 3 re in O c* zr re A 3 CL 1 C. r Cm, Ai va A/ r+ mmm n 2* 3 C4 ** n ? a* Or &3 ea i T O i 19 VI W4 re A 3 ro rr r+ a. * 3c (9 O Or Or VI pr 3 53 1 o 3 3 r* 9 rr CL O re *3 O n 3 cr 19 ^3 a o re 1 or 3 c r+ 1 La* 19 9 rr 19 T9 J C f-r r 49 & r * t nO & Or 3 n 3* re 3c a4 19 r (9 n , Or 19 a A i m o 3 ;5 < ? 2 ! o ^ 3 !* ** 33' , ' < W 0 LO-' H-l * 9 c* ? .___ ' <n. o ; O ; 2` h-*: ^ VQ * si; o i; a * i . ^ \ \ * , --4 r O <9 o mm* 3* 3" C 91 19 r 3 19 3 a *< VI a. A *o 2 O or 3 3 re J . o 3* CL CL 3 n . 3 f9 O <9 A rr 1 n i/i 3- n O mT mm* aVb 3 to* co2 CL 49 <43 CL <9 Or cw r A CL C 3 ,sl o a* v a* m*m r* Or 3O 1lA9 A 3 re X 49 ozrr OL r* Q. IA OO 49 rr w A * o 0 4 c r * 0 a >s O' n r> 01 oo (A o Cl c. 3 3 Of Q3 l/> c. 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VI A ft *7 XI a Ufl>1 M rt* ft O to X s> X a r* to to v^* VI *o co O A a c to -I CL 3 Of *o7- VI c *< 3 a *a 3 Of *7 a pi a to a a a a a -1 ft a o -* a. << O 8- Of a a* ca ft a f <o a o rWert CL a VI * fat! e X c o r* 73 a * to "7 a A o Of a Of *7 *a a3 O a o fti V* xj & VOIf r> fat f*T Oaf art* o VOIf a- to a * 3- 7 A *< o 3 3 3 VI a to r* OVI to ft to 73 c* C O Of a a' a" (9 (9 73 Ui o VI to r rr -*i to 3 *oo rt* O' o ate to a o r* n a O <0 A a a -* a Cn nA VVII Of ct a Of a* to VI Of VI i c 3 o to a rt* 1 * i o CL n 3a - 40 40 TJ Mte e* -- 3 VO 73 -* V* Gl -+ C 3 S. V* -- -- Q. o o * r> 1 o O ` * 1 > 03 ' v ; -7 oLft :k i ------- Cl * 1 *tej > ca ^ m * i *a : oto .. i G m . * !1 ^ * > ! 0 m > o , i! v^o" i T 9 |i *. mi! M 1 > o : 1 ( n , a . 2 S 1 tert ; J * t to ttoo to 1 ^ X mar* VI Of i. Q sr A O O3 o 3 si *< ot w e or 5 O a <0 Of i VI Of n VI to a O r* a Of r Mte c o *7 a o a. VI Q n ro a A <1 mU VI VI a Of o o Of a a VI 40 ia c aa CL r* a a VI a O a 01 rr VI <a9 n e i ot a* -- 3 Qa "7 VI VI &a a 4/1 n co VI a 4/1 *< A , r i n a o a it* 1 VI 1 ^ '% 1 r VI r* O te r* 3 * O ar VI (9 VI VI a o . o rtr O -7 a * 3 "7 n to a Of a 1 * CL te 3 -7 03 r* Of <o X Q. a g tert a* r Of a wte a - Of 19 3 o a r+ Of Of 2 a O. C c a rt a o r 3 -T to M* Crt 1, 3 +* 73 <9 Of o ro Of to to Of O a Vi a r* n c -H a VI to 73 a VI Of a *< XOo a a r* n e o. X V Of o a *7 tete <3 <o VI n C <9 0. R. Gracey, e t a l . Pulmonary Complications o f Asbestos Exposure te- \ 4 l -**l VI PNJ / / M k.:. U>N IN:MT1TITK. bJW. . * 0 W > i > * : x * . z i I > O * i o a- -* 3 O 'O <V C" *< 3* a. O vi w o v 3* v* O 3* iv sr vi -t -- a* o < vi o' -- O f* < 3 c r9- ID O sr O r n r w* <0 3T (X v* Q. 3* - ya - "C O -- on** 3 e o 3 o n Of o Q. 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Lapez-Areal C lin ic a l Observations and B ib lio g ra p h ic a l Summary o f the Hazards Involved v/i th Asbestos r Mk.I.IjON r X ft at *3* v Op liv ft 3 wl ft ft v* *C aO n c ft o V* ft 3 ft ft lft e ft ft CM w ft o a* a * a r7 it ft VI o jr ft ft ft* o w* w> T3 * ft * o O ft TD < x ft ZT 9 Op ft C ft v* < c: CM it s c ft cb PI o M *2 c 3* tO ft 2 on r it 3 r* 3 <* or c a ft* >ft it v n 3 ft O c o e* ZL. ft 3 OI n O r& 3 cr o ft -ft 3 r -w <v0v n o #* !> 3 o a o a Op O o 3 w' r* Op o 3 3O 3 Oi fft 3 a or 3 *< Of n "t Ci 3O ac 3 KT r& O 3 *T3 r3 o c r+ ft ft (0 -- 3 at n 3 lit C 3 ft vo --* o 3 3 ft Op cr it ni-r -* O 0^3 vfti < 3 ft ft a ft o Op <** o 3 M o-- aO ft VI 3 ft -- O v* 3" rror Ol 3 3 O 0* C *< It X --o n O 3 ft Op ft ft .T -- e rr "3 ft ft a, o -- ft r* a O O it "O AS ft ft ft 3 a O O' c ft ft fnt Op o-i fat* ca. ft v> ft *, 2 Bp ft C s on ft pft it ft rv b 3* o it 3 ft ft O a ft --* ft ft a Oi Op ft "O o ft OP 3" 3 a pt a vi ft O' o* o ft Of 3 ft p* a tN^TTTt'TK. ?nTNm'H{|l, ` -- --r---w ..ftt ft < > ftp O ft r* r 3 O* V m 2T r- rt r ft 3 ft O --i vo tc 2; C ft r. ft . ^3 r? 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A O 3 5 3A A W ea. - A ft ft A i ft. to ft y 3 ft ft a yo A 0* A 3 VI 3 t t V; <0 A ft O 3 A VI A 3 VI C A a. t A A rv> ft a 3 O ft o ! ! -- ft ft 3 A ft A V* ft A -- VI a o a. 1 o a A yn vi < O A sc 3 -n A 3 3 A -ft VI w e r* ft O ft n tO %3 j ft < A o A ft X A A y ft ft CL ft A O A o 0 i <0 m VI r* ft Ao A3 o *. i a --# y A r* 3 O ft -ft Oyu A PO o i ft 0i j 3 Of 3 VI A ft 3 r* 3 O. Qm a a a n (0 "3 1 3 A O to ft O y a *< i 1 ft VI o VI 3 A ft ft ** A u to CO VI ft A 3 A c ( ^1 c ft ft ft o r* ft Z CL 3 A A *< X 3 VI A ft X o O ft o 3 ft ft 3 A A A ft r-- mm g 1 I y fytr e rnm *3 ft O 3 O ft ft VI A 3 c A ! A A A mam A 3 ft 3 VI C A A mm A & y C y VI r ft 3 mm* cr 3 a A X rnm 0. m c ft a CL ft r* r y Cl o 1 n- ft Of o VI A ft 3* VI e c o AA & VI o t VI cr A Of < 3 to 3 o a r+ A V* l C A ft VI cr ft 3* c. 3 Oa A 1 O. A 3" 1 A VI o VI O ft ^m A rft 3 ft ft (0 3 ft ft a yc 3 tO 51 0 a *3 mi O A VI c y VI ft *< VI VI y AA 9 a* <0 A -4 y ft c cr VI 3 y 3 y c O Oftf o Of a tO ft Cl vi A to VI A c cr m 3" cr ft ft y L n A A mm A o a o Zl <0 -* 3 A VI VI ft a A a A ft Sc v< C 3 VI VI - ft o 3 ft c cr c ft VI VI Qm 3 o VI A O n ft 3 er AA X y *< VI o o AO3 A VI mm ft 3 O c 3 ft mfmt VI ft A mA+ V* A c 3 ft *-<1 X a. A A VI A VI A < CL mm C ft A VI A ft e ft A A ft 3 r-- A Qm --* VI A 3 A r & A A ft O 3 QL A ft Q. CJ Of -o ft a O. 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C h ry s o tile Asbestos in the Lungs o f Persons in New York C ity . m a * > S " I n 0 r t i 0 ft ft c o 5 ;s , r > 2 X P , m I! C ilKl.r^ON lNNTTTt.*TK. PrrrsiU* WH II. !\\. O r* 3" fctr ro T3 o* ft ft * o y ft fr~t X -- fy3tz" *-r r--j c* vi 35 fftt 3 fftt fVt ;1 3 a * a* a ft < v> > 3 vi a a ** v o ft o rt . n Of r~ n* c 'a 3 'H ? 3 < ft VI a ro r o. Q. 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O ft -- 3 *< 3 a* ft i CL ft ri a* Of 3 -- -- Oi ft o v o *-r 3- 3 > < rr ft ft * ft Of ft O 1 r* C r*> n v* v* -- ft ft ftn --4 *-i n o o i/t o oc v* *0 ft ft -- 3 ft 3 a. o * < :v < C3 fi 4* **. * 3; ft 3 r* ti * I N } ro 03 33 \r o 7 J 3 I 7K D tfftt 3 O. O 3 ro < ca i :' cy n. o 3^ > O *NJ C* ft I / E p ith e lia l Outgrowths from LUng Tissue Following In tra p le u ra l In je c tio n o f Asbestos Oust in Experimental Animals. r roM r? - r ft 0 * > > * X X 0 >1 8 .is |i2 qi J5 i MKr.n>N. iNSTiTtTi-:. Prrrsm.-Kon, 1 9 ~ 09 ft 3 ft 3 Q. T3 *9 ft S s 3 1 S' 3 -- -t 2 sr < ft 9 * ft ? i "i?r w p* e 'S -1 " ys -- 2 - 3 ft ; O s 8. n 0 '< 2 ^ a n fstr 0 = % ft ft n 2 3 TM * t* 0 a. *" ft S rt -I ~ 2L ft c --3 n 2. *T * ** 2 2 ft ^ --> n O' . * S' n 1 1 0 3 s *3 ( c s 7 i ( * 3 C. - r l -- s . s? P. C" = 9 5: < 2 it S' * 3 n* J rt 11 *. ft 0 r - S a <j * 3 < Q i s 3*4 %2 5 - 0 0* 0 T 3 r* ft 3 o ft S : 2 ^ n 2 o* ft O -- A a. -- -- o = 3 % 33 n 0 r - 3* ft C. - 9C c 3 c N 3 2 -* - ~ ~ 9 G. 2* O* S n mm S' 3 ST S' -- ft i r| 3 rt n e III 3* 3 ft ft ( 9 7 ft Cm ft _ 2-J |ft S *" o* X5. CSwJ c* -- r t ft * a mm y 3 ft * S =' i ft S 3 JO y -* ~ 9 ?s- % 5. 3 & S ft r3* 3 C o C 3 ft 2. ft m 'g -E3 hST SISI 0 3 * 3 5 c 3 S. 2 nm & e { r 3 2 ft 3 ft 0 * *3 3 ; ? - 0 -- ft V ft y c w 0 a. 2. -- *< 23 * w* s 3 > C i U| f =. f X-- 3a* cr - > n lr ^ i 9 n -- ,, *f 7 Q. ? 21 -- r* 3" 9 z* ^ nln x re 3 C ft 3 P* sr $ 3 3Q fa o !-i c o 3a1 n o -5 ^ 0< f\3 CJ CO , 9r & -n . ; vo *SJ ^*'Z . h- <JV2 " l" 1 I C-: O o n o o.< <y\ PO . h- ft5 vo cr. no B. Castlen'an and B etty U. Mcfleely. Case Records o f the Hassacliusetts General H o s p ita l. ro44 7 7 tOte 4>4 MKUiiN l.NsrtrtTK. I'lrrsuri/uii, l*\ V * r? t c - o I I I j j i I \ ^ e Of CL ro 03 C3 ^ <* o oa y i > >-- o 03 c m I n I o- 0 o rOMw 77 i r OM i*4 r I Mellon I.vsTrrirrw. ITrrsrtuunir. Pa. 5 <W0l c Q. 10 M* p* o o M o 10 i/I o & ro 10 Wl mm A * r*p o3n o Ot i (0 a* Of a o ar A mm p a a* a Wl Wl sr a c. ft p* a c 3 mm. Ot to (O r 3 Dt N< P* Wl mo vi ! 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A wi A Wl O O fl -* C A T VI ^ p* *3 NC -- a <-- O ft a - o a a. CL V 3 <o A O a *n r> a n t w* a *< 3 o* c a O Pp O to r* to v; a -- u. -- wi < O a cl w A Q O -- a -i -- wi 3 cr *< *< f a 3 Gt > c v> CO v* m i/i O > 5 ri -1 A 5 =; n- ;* no ! -*j / I t A ; a 3i i '. a 0t * ^ n? m 3 :* ut r i * ( -- , i A t Q 2 ii *3 a a i < ; o I i. tl S V -- y HI L0 f * ,c* 3 ' V to rr >o W7 cr o t/l r. (-- CO c c/ Vi S.J CJ t- t I>: ra r fe & i ? 5 * I t o CJ trt 3 I Q* cr II c<* 5 I o * 5ft s & to cn cn 3 r\a ''i tos and other minerals although the I I ! i i i I l .ac o |A tJ C w c O a> 5 L. o > o >s o U uo c >\ IA o bl -- o c o u c * u e O' rOMM 7T (OH 4*4 Mr.i.Lo?f Imstthite. PtTTsnunoH. Pa. O w* -n -a < -v -- -- re 3> > : -4 > re o -- < O Z * ** o o n ft 3 -: jtr*e ^3 ! ?e 5 Z ft -- 3* <0 re & S 4* 5 P i *" z 0 Oo r M c 3 -- ro -- IV -- -n O ft ft ft O 3 n ft v* ,a- a > M *< er i -- 5 i *< re ft ft X ft a. - s re 3 wi o* re -* o a. ft c re v* o re n CL O C C 3 ft ft --* 3 a re ft i re ft 3- O ft --* I 3 re O 01 on f* =r re 3 3 r ft* re re o a. re a. >O > o 3 re z e ft 3 o . ft | rt* re re re re --o 2 re < -n o 2 ft Z ft ft Of 3 ft z re 3 ft On ri* >ft (3 1 ft ft -- 3 ft re cl ft n 3o -* -i fit oo 2 5* S. ~ re -*t v VI S3 3 3 3 ft VjO vi -- O re o n w ft re -re cl -- re 3 > 01 3 re 3 ft Q 3 3 ta ft . vi --- a* re z c oi zr a. - -t z e* 3 CL VI re 3 n K < o T| a. ft ft* > 2 --4 3 o re ft* f3t* 3 re 3 VI ft O ft ri re </> c Cj i-7 3V re ft* e. > 3 TJ < n to re T ft z *--* ft cn a a* re On o o CL C -- v< -- ft 3 3^ O o3 cr C. ft a. O <0 re re ft ft 3 a< &J a. *o z re _ft o re a. <r f3t v--i re -- z 2 ct ft ft 01 *< ft C9 3 *< & -- 3 < re VO 3 -- c n 3 G. ft 7Z -- on o C ft o (3 ** C u n ft 5 ro *4 o ft Z M ft Wl 3 ft :> 3 ft 3 n ft ro a Of I n ft ft Q am < < 3 z a# re* 3 rVeI ft ft 1z ro m a. 3 <0 ft C 3 O m* O eons G4 01 i?I n re z 3 s d re Qi m* 3 am ft m ft ft 3 sr 3 n a. .ij * x ; 1 U9 o 3 ft ft z -ft ft *< >o 1Z > re ft VI CL *ft VI t iMft 3 fct n VreI ft ft 3 m* V* -ai < 2* Zo O3 Oam -3m re jam ft *m fVtI TJ O eft rVeI z ft m w o vmn O O- VI ma 2* > on CT o ft ft 3 ft 3 ft Z ft 2> C* ; ^ re VI O -< w. ft ft ft 3 Z < on ft re re Oi ct O on r - -c r roftw TT P. G ross, J . Tuma and R .T.P . d o T re v ille . Unusual F e rru y in o u s b o d ie s: T h e ir Form ation From N o n fib ro u s P a rtic u la te s and From Carbonaceous F ibro u s P a r tic le s . Mki.ujn 1 nstitittv., I'nTsnrmiii. l'.\. J* " ix . * i? i > :o re tree ? 3 * T > 52 A n x 5 i % , O I a 0o * X > r ~ c w i. M t * 1 . o r* n re i 0 -- o re re 3 re w> 3 -- e 3o> r* n *< o re 3 c* re 3 3" O re 0 -| re c* *3 a. -- a* Ov* a. c - re *> re 3- re o re m re re re . 2 3 n x* re & n O = c o x* a# re 3 o-A 3 cr -a G. fll re o CL o* o o re in -- o* re r* Q# a ut -- X9 ` --n o -- 3 v% re re O cr ST re r* s 3 re re O re c a. cr <a c --o o re 3 re re mi v n e 3 re r+ .3 v c 3 rr re O' r -< O mm 3* re o. *3 MM O e 01 VI 3 < re re re VO re V* VI (A VI X 3 VC o O re re CL *3 r re 3* re XJ p vl re (3 cr X o re w# 3 re Si re re . n re o re re X X* r* - o MM m ip 3 o -a re re re o Q- w MM 3 r cr re re re VI re O Oo re re re re c X re re V* 3P 3 c re V) *< a o re re re re o cr C re r* re re o re 3 re c o vi o* 3 3 << & re re re cr o -- re re ? a* re re o -- o* re re < ^ re re CL v* ?re o re < x O 3 a--. vO* c r* O re w> 8 A a* re ore 3 __ re* 3 CL c re cT , 3* O G 3 & re re re* o in p\> w n re 3 re re < re 3 C A c re lO 3 re 3 3 m /Vj u rw 15 31 m 3 o cr . re a 3 O S > o s; & re n ; re re < MM MW o MM re 3 * C3 ' ro o re o * 5 ere 3 3 X n. re o fs re u r-- * r> 3- > . ro n i > 9 I 33 i!ere re S; oo 33 O cr v> re o o f rr o n ; o 3 O ; V: . 8 p a tie n ts , and b y p o stm o rte m e x a m in a tio n In one p a tie n t. In each case th e re w as a n o n s p e c ific p le u r ltls w ith ra re a s b e s to s b o d ie s and fib e r s seen o n ly c .lo s e to th e o r ig in a l p le u ra ; a ll p a tie n ts had v a ry in g d e g re e s o f c h ro n ic I n t e r s t it ia l p n e u m o n itis w ith a s b e s to s b o d ie s . In one p a tie n t a m e s o th e lio m a was re c o g n iz e d c e r ta in ly 9 y e a rs and p o s s ib ly I I y e a rs a fte r h is f i r s t d o cu m e n te d e ffu s io n . I t Is b e lie v e d th a t, w ith In c re a s in g a p p re c ia tio n o f th e d a n g e rs o f a sb e sto s and w ith b e tte r s u rv e illa n c e o f w o rk e rs , r r ' TT S' to Mku^n Inmtttvtk. V.\. 0 CL 3* Of o re re Of Of -l Q. X X* n rt 3X CL *13 a a* to (V C o 3 re A MM e V *1 a C VI CL re A C re C re VI X re CL a re re re a VI e n ^3 O a. a A Be --l Of re Oa a. a a VI to "*1 at Vt CL VI re *3 re o re ere re Ob a* re re o M* m W1 c e* re to T+ fT n o n X VI re a o o re X O 3 *A re a 3 Q. wt to m o re ere n CJ o* cr A re X O n VC re Of c VC -t T3 re a. e re A c re re A a. re o & ere O re n a c re 3 a. VI o o VI n o 3 re a* a* e a o a re a O e X a Q. o o 0* * to 3 u> CL Of VI re 09 A O a ere A s a &3 3 jr < o re re a re re *3 a n i-- VI Of VI -re 3 a* M n -n re 3 re VI M e a A a re a re 3 A VI o a re re re a fia re cr & VI VI X 3 re C a A Of O VI O' CL o VI 3 *< -re re X mm X * re 3 re c C* a re < re O 3 re VI re n re re O re o o o re 0* VI re a A r+ O 3 re Q VI 3* ere ere O a MB A a3 to O re M> re re t* Q X X a* e^ re a re re O re X re CL o 3 VI f"T CL A ' a a re re no re re Of 3 3" X 3 O re a 3 Of VI 3 & O < A & a VI re 3 n re X e fit a o 3 VI Q a re 3 ee e re to re to VI O VC .3 A re re re 3 -- v X *< re re a ere on3a e* X VI 3 re O & < 3T VI v VI re VI *< a re O ^i to a* re o re VI re 3" re re VI a Of Of re mM re A o VI X VI A 3 3 o re re ere r a x VI a O re V? re --t VI re re re to 3 re a* re M & MM VI 3 A a c m* M o VI VI re ere 3 c Ma 3 o* re ---- a 00 MM re re *< X -J CL 3- X 2" re O re 3 re o a ere 3 re <9 3 Of O 3" y A 3* A ere re re Oi a a. re re ---- -re vt re ac c % or r* *< w 3- ere nr c re VI er V* M re re VI a a. 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Ptithdurgii. 1\\. & n CL vt fp --i X o 31 > >- 0 *p cr re 4ft O 1 m m , X M j re o n n re 3 3 re 0 7C r* --4 3 rD n_ ' a ? ft X re re re O. a > , cj TT re o u rp m 3- r- Ml 4 -t a o <$ a n3 CL c CP re OB n OB -4 ro : 3- m . Cw re Pi re a. re PVJ 3" o 3 re rp c CL a 1 C CL 3 / < n ; a a CL re O rp o : (D .o 3 vt O' i Of ! c re mm* O O rt O re *4| a v m o ! j| m Of pp a re re < vt re t 3 2 n M Vt 3* a X O 3 O' CO X c VI re o | Vc o A re o vt re vt : 1 x o re a cr re re a 1 m* 3 re t o fS> re 3 Cm o 1 3 & , tuoa n T rt* *4 re re a tw* jl fO re O cr a. re !N: r+ Q. n 3o c c 4/1 X m PL 1 0 3* 4t >i r T ">4 re 3 to re re vo . r CD : re n re rp a 'ta LO , Ou re mm* re re 3 fNJ co: ON ! Q rp r n O Ul X (3 3 re o r ? a CO o> 4/1 d su 0 vc vr re a ca 3T re re o K ! ^ t/M l ONi *< rt a re m* re 2T a C3 o f~i n 3 re Cm a 40 3 ar a re & .--. 4 ^ m^m re re V* ^1 re C- o on cp vt o & vo Vt* r o i cr re 3 re o s;' >a ti re re r C. re CL fD > 7 oca re o> re re o l* ft 3 rp a L-v N cr ;i re 3 re re a re X n m Xo r_ VO J ra !r w i n- re --4 a < __ re 40 ft 3* o re o>; L * ,1 - ar re oa VI vt -n re o 40 re vt e c. O : M s o o -n ^ re re a < re a * -- _ t/i vt VC re O > --^ `1 3 ft m cr I re a {y rtt. 3 * X 3 re n -T a o CL re re a i (3 II 3 rt re re 3 Xo r. j re a re re c. X a Q VI re C I! re am cr 1 ' j < re -t vt "P re Cm J ?{ X re re re o n re n -p 3 Cl a re tmm O 40 v 1 04 & on re Ut VI VC U1 V re ; ;i <0 3 M n re -- Q. a O CL re re O X re a* vt r* o >i re re vt X O o 3 fp re o vt re a* 3" e. fp -i o Jj / o m* 3 O x- 3 i IK ' e o re X re & re *< ft -p < re a ii' ' x a *1 re n O r ^ re Q X 4J1 3 re 3* rp re 40 I vt a c O yn ro `i * * I C o a. n n re re !J > c r-eJ re re re re VI re rr a re n a & r ro n 5 rp VI X re Vt re re a ya re re rv c -t -5 fp CL n ft 1 - Q. O re ft re C --* --4 3* 3 40 re re re Q. re CD re re * -- o ua O 3 T 44 cr*. j j re I a. 3 >3 ' rt > > 1 II a;; S sj I* ^ ii J *1 i! / ' t Mki.un Inntiti#tk. PrrrsmrRfm. 1*a. t* i m ttoo'OO C* ; *o > *t X 0 . a si X ` a , c l. M ' -- TD 3 a- ro X mi I/I ?/o* X C C -- Sf * -n o 3 <A 3 re n c 3*" M o x v> I c JT ^ a S. 5 c o O 3 rt C a * 3CL n> 3 t?t C> 6 r* X v* a O rm 3 y -- O CL toM*> (Vto* * y yc S 3 r+ a O -X VI cr 2 mn Cm y o r 3 O ro n - fm c cv a Ct W, 3 - X CL 2. * ow tvo 9 n * MM ^ C3 iOo 9 v 3 <0 0* o o M r* rCm. VrmI a O A3* 0* 3 d T Ql n CL v< 9 3 v> - > r> < (C* ro f*M v V* <0 VI lO O 2 j^; o 3 rt rm y (0 Cr <0 C. VrmI VI c tor 0* < o n VI O r* Ofrx r(39x 7" 3 ro ^ T3 n o 3 3 \ ( r (0 <0 3 O ry* ro <V0I v* *3 O o A s* X 3 ro 3 3s a or* -Vi* <Xa X g- 3^ VI O OQ. cVI o3 Of 3 V* to* 3 5. y tor ro *< L c C7 Or rx 3 C c5* 3 C o3 v 9Vi <9 3 a. O X -^ a. n n -- 3 S 3 * * os C cr -x -- C *1 o 3X o^ *n < rs y cr cnr *-- <0 3 3 wC ov* r> 13 _ 3 (M9 M* V* 0m*m CL ro n X r- 3 mm 3 *% 3 O nM* O X* u 3* "O 3 Omfm MMMM -1 --N n X<>0 3 *o 3 e fit it Ato* nOf o 3 yO VI <c9 3 ra c. i -o 9 *<330 <o 3 O X nMM o VI n < cr 3* c to* <* fl r-M o -*. * **l c -i S3 3 <ao 3 M> 3 r X |X 3* to* o-x ny 3* ^ -x 0 cr c nr+ X Of Of rx VI 3 n r1fot "0 y < r* vi 3 <3 o -* 3* - 'a 3 < 3 O & rm ZT 01 M~ -- /O C S; cr ^ a, s *-o e a. a* fv 9 * r ca mm VI 3 O 3r+* o *< <0 3* 3 cn^ c ^ ws fo JO cn JU V* *i s 3; VI O 3 0m9 >un iii Z3 a. ra" a. fNi 0W3 r<0 c* _ ro ro r^ a ro t-- in -* <3 ? j* o ; -< > fj JM ca "" O c v ^ 1 o > S; M t-A rv> r* 11 1 i > rsN)i r o >a 9 jr r; a rto** 3 o 30* yQ%. 3Z -n ^r e* * I0 ^ C- 3 * </ C MM a> rr o" 3 r* 04 X3 o IQ J ?r* Ci O3 -s Cl </l 1/0 M mV* 3 s: C3 "H -- o </* ? rr 04 ro 04 y r> n O CJ cr 3 C c. 04 o 3 5 C- O 3 t/> 04 <5/> \ c* o M<** ,, o ** 7T *sj 1T ro i r r r roow 77 low I *m o 1:5 Z ft *5 .0 i I t I I l \ o m Z 0 1 2 m m l I I I I I ft f 0z a l Mkm^kv lyMTITirTK. PiTTMUUKem. IA a* < VI rr ft A rr X > > 1 n `0 O rr Of mm X Of 0 & a o> cr Of VI MB 1/1 , 0ft ii a C * 0 rnm 3* Of M cr J 0 :T CO X 0 rr 3 Of r" A & 1 ft 3 Of *o A VI Of A --4 M 5 13 Of rr AA MB -- Cm "O *-4 Of C St 01 vl MB Ul O O 3O Of O a 0 -v 3 --4 3 *0 Ck T3 </J rr r 0 rr A ro a 5* A 3 *"1* O Jft <m O , 3- c c it c ft ft CD O Of n *< 2T mm A VI 3 m ; o- 01 0/ 0 M* CO o c Of A A S3 : & VI a O' 3 "1 3 U1 i "s 1 O 10 O' rr X 0 0 X 0* cr 0 mm* Mi mm A X MB 3 3 V a -n X A 3 < VI Of 10 O. 0 A (A O VI r* t Q> A VI O. o- Of CO *. 1 -i. a rr mm rr VI O X A X Of 0 ft Jft nar *10 m f-- * . i inT 1 O at <0 (0 ft VI A 3 0 CO 0 A VI -A Of > : os 0 TT n a* t & -4 cft VI Of VI 03 ft A 3 3a. lA --4 r ns re m> (to rr (to mm VI O VI t CO a rr CO w IO a A VI C* -I Of S' rvs ro o> 3 CO n VI A VI "4 a Of -ft A mm n O -* M j Q On 1-- n O. X0* 0* c n A &3 3bM Of 3 r*. 3 C- VI mm Of O' VI M Qb o i 3 V< C Of r> > S3 ! l ton O X rr On rr 9 Of n i 4- i rrri :_ O *< Of 10 VI Or*f << A Of rr 0 0A -ft 1 | c1 cu r* CO CD a m*m 10 ar 0 ft a VI ft VI A e 03 1 --i i 0 . l <M* 3 n CM 3 A 'O s. r+ & Of* 0 A Of rr l :oto rr fl n X cr rr rr > to-v 4 a Ui V* 3 O rr A "1 a 6 O* A V S3 iS --* OJ MB rr 0 CO A 3 *3 * Of Of O 0 2 '^1 M| 3 3 < 0 3 VI mm CO mm "t C3 *co O - ., VO mm* ft X Q. rr ft A IO S ; SJ O CU CO a* (0 X 3* A Gto n Of VI 3 -- A 3 O r OS VI . 33 <0 a A mm CO rr ar 10 A 3 Oc -ft 'O rnm 0 c. > 01 rt 0 O ft rr 3 CO O c O VI A X rs: O l r* t j 2 VI CO -ft rr c O 0 - m . c 3 . *a 0 - C -ft < rr Of -M *C3 0 <0 3" rr ft A* cr cs ^ Of 0 -ft . O z 3 &r X VI jr Of A O' . 3 Of O MB A 3 VI A O *< a a a O VI Cb > , - VI Of VI A rft 3* n C sc VI A O c O Of e *< o 0 rr VI V< Q 1 a> <r C" Of 0 c VI --1 rr 3 rr fT MB -4 ! i! O rr MB 0 *< C 0 2 5? -ft ft c cr ft ft VI n 3* 3 Of VI C -ft O Mi r* 1 3 r n 0 Mi Of 10 M* cr VI 0* 3 A Of 3 <0 mm m* mm 0b 0 n 0a VI --4 X 0* rr 3- 0 co: O 1a A a A A Ift r* 3 10 & S* 1 1 r* c 0 rr mm U3 MB m4 > rr a X A O' rr 3 MB 1 3 CO CO 1 Of rr O to rr VI 0 0 VI 03 2 1 J T VI O fr A Of O a A ft Of 'Of A mrn ^"C ns & cr a r VI a mm rr MB 0 3 Ok Of C j m & n ft 3 rr Of 1ft (to fr mm 0 VI mm C 3" mrn VI A3 rr , bbV !: <tfTt T <0 c a X f Bl VI Of 3 OX* O3f cn f\s rr mm 10 1 Ob O a*. Q. 2 ft ft (to 0 ft A X 33 10 3 ai 'K VI Of rr j f n A j 0 a 3 AOb ; ? rr 0 ran* 77 ^ -H f r MKf.HIN I NSTITt TK, 1'lTTMIH 1 Vs. o o X r* Of 3* -* a. 3 3 r^ v* 3 in O n 3 X 01 3 o O w> i/i i/i 3 r* <9 2 3 at Or e. (9 O 2* O V* --* O& Or r* 3" 3 33 r *< r O A <9 o w <o 3 o 1 T3 & 2 rt u> 0 3 3* 3 1 at Q --4 K Of 1/1 c > -n O* fit e C. i r+ o w c 3 (V vt w n e Ul 2r 3 3 i 3 3 Of 3 U1 n n n 3 Of o 2* t Q. Of W* n 3 3 fm O 3 2 *< fit e 33 n o O 3 O 2 J3 X 3 v* 3 2 2 CJ & 3* 3 n < 2 o m 1 3 % 2 Of o c 3 Q. I n o o tt 3 ^ & 2 2 f O' Q 3 1 I/* 7T nX * 3 \o --I CD r 3 Of 3 -- -r ? 5 O' 8 *T O O -H 3 -- O. C o & o 3 in O CJ n O tn Cf CT rz o o on </> O 3 O -f vO 0 1 cn cn on f\> \ 77 r <" c ^ Mellon Institute. PrrrsnuRou. r.\. W. Weiss C ig a re tte Smoking, Asbestos, and Pulmonary F ib ro s is :s Of (ft X 10 M X h m* re & o MB X lO > >i c n Mm > x cr o < * re (O re y o *3 re 3 -t (O c 5 ,Z I v* (ft r* * c re -1 X 3 vi o V* mZ 0 " (Oa 3 ft re n o re a. re X *o Mf MM "ft rt TO r& -1 Q r* re 3 X* re o (3 1*1 'SJ VOIf o r n ift o *n (A 3 Ml ("4T* m Oo o 35 a <o cr 3 rXe re < x- o X fD 01 <(f9t r* -i 3" re 3 Of (O vi 2 o VI . 3 c* <9 S' o c O 4ft (ft n 3n cr rvei > * 3 c* o. 3 o (O Of rvei ar r+ M O LA cs o T -t (ft r*i 0* a. re o (ft ui 3 r* r*> 1 -- Qm 3 VI O re Of re oLA CL r Of c3 M C 3 vi MM CL 3 Of & R 3 >i o Oi n oO re z 1 * n fs x* a O -- o oc o n Q ai oX *3 ro iso ro ro a a re -- X* l*vl co * -*i O A i o cl cr *1 t > 1-0 o Z Of 7 -- -- x O (ft n n ro >i C ' CC TXC X r- & r* re -- "O 53 O -- _ a a O w* O 3* o fMB - 3 M VO 3 o re 3 O 3(ft c o 3 re & (/> ^J. XMB" re 3 3 (ft 3 o ?r OMf 3 <43 n re 3 O x- 3 re O re v* Of X* re VI XX 3 n sr c 3 n a. -4 3 <3 O (ft rvei o -- c r* (ft X re ft* n VI *" z --4 re cr re re O xr re z re 'O *i r* re O3 < 3 Of n re r* re v Of <3 I . O re Oi n < Of c (ft re a* 3 53 rOef 3 n O --M re ft vi re vi <O3 -"J (ft MM re (ft 3 n o fft o Of 3o re vi 3 (3 o ft* o rft Of Q C c Of -- 3 re CL *3 \ -T <3 o 3* Of 3 re c JO re Of ft* O c ft* 1 MB 3 3 re n .3 1 o Of (ft O v% o C o > c 3 T re X 3o r* re 3 re w ** O O r* r* cr o Mb Of *< 3 (3 3 re <T a * re 3 <M( Of 3 3 X -3 o 3. --** -- O 3 o vi a. n v* v* -- CO c c (ft n v Of -- -- e+ (ft i/i n rvj n3 a-- X O X o3 f\> c- r> re re (ft a* o re n (ft -n 3 3 (O > / P. G. H a rrie s A com parison o f mass and fib r e c o n c e n tra tio n s o f asbestos d u s t in s h ip y a rd in s u la tio n processes romu -rr c - -r m Q M > > * X n 2 0 I 0 c >* a ji:s 5|| 0 il MkLLON I.VWriTUTR, nO sX X O* 3 -i a < O Of n MM VI r VI a c ao vi "1 aa 0 V* I 0* or V* r* a a -- fm f% -* o a v* 3 < o a* 3 C Of Om << a <* -- a r V to er o a n a a a cr a o. r CL o Cl _ o* O < a o o --* o o *n n c a* --> (V 0* r* 3 yr rm a c *< c# -- tO o vi -I 3 3 o> Xo & vi v< o a f* Q. O * --i . r a cj z (V n */ VI o *1 O 'JO ro -- V* -- o PTTOHUl/Ciir, PBT I ! > > O n n : S; <A Pa. 0 % 19 sr V* Of 9 r* o o 3 (O n a i Of o 9 on Of < X a a Of r* 3 mM at V* r* * O m m* a rr n Oa VI n3 O C* r* VI y n es a VI 3 o V* c TS C X r+ -1 VI r V* oa. o* c On -n Cm VI 3 3 i rr O a CL r Of e >3 VI e Of VI e r+ gj 3 y MB MB mM 40 o3 *n V3 Of 3o VI cr a* w < MB a Mb cr OX r+ << cr at Of v o MW "T f* & a c X r* 2 (V* C3 MB m vO v 4 M o tvi o t/* 2 Vi MM -3 > 2 C M t/l > MM a X 9 c ri VI VI m VI X * o * > > M ?i Mki.uis I.nmtitute. I'rrrsnuRoii. 3"\\. 3X3 3 --3 3 ft* ft* V 7 3 C 1 >> cn ift vs C o l/ 7 c o *3 c* 3 -% o c A -\ o n, O r* ft* n 7 <* w fft 3 v* Of Wl * 0 o 3 VI r* m (ft Or 3 7 O *< r* ro v/t 3O v * 3 O. 37 O c3 mm O w* w> VI a (C 3 < -% r* n n* 7 a 3 _M Cm o ft* n 37 o3 c mm 3 o. VI o ro o 7 r* 3 0* 3 ft* n a 3 Q. n o <* c* o a3 -> 3on pm Q r ft ro pm md '< r* ---- (7V 7 33 3 r* o VI 3 3 "1 33 n n o *3 VI *n 3 a. #* > 3 ft* 73 mm 3 /i m* o 3 v* s c 3 c * 3 -4 Vft pm VI VI 7 O 7 ft* v o 0* 3 o o v* n -- ev 3 c -- rt fl r* MBB a* "3 0* (A 3 mm 3 ft* vn Q. mm vt 3 C (ft X C 3 ny mM ft* <3 3 O 37 (ft ft* ft* 3 0* 7 r* -ft ft* ft* o ft* O 7 r 3 ft* 3 Oi o 7 "C n ft* "3 3 ro x- ft* c. 3 O 7 c -3 mM n 3 n 3 3 3 /0 3 < Ift n MM MM O 3 #* n O c ft* 7 Of < v -T 3 <* MM *b Q MM 3 o & 7 o Ifi 3c33 v Or 3 mm 0ft (ft 3 .. . T i , 3 (ft ^ 2m 1 r. <o mm 3 f* 3 7 o 7 a. 3 i o 3 7 n f(tft* j a ' r o O 0* 3 O r > -ft p* =* VI C -ft Of o ft* ro T3 < Mb 7 n -t & ai 3 43 . O O VI (ft MM < e ` *< 3 * o <ft ro 3 (ft 3 cn a ft* v> ft* m 0* m MM O 3 mM 7 3 < n (ft 3 3 * T ifl (* ai /o 3 'O 3 ft* 3 0.0 ft* v r "5" * > ; "71 3 ?A r 0 O o n 3 > cn o s* i cr J: o r\on o w << vo <m+m c+ o * ; o <n 0 CO a. n i 'i Oi cn c cn CD | cr <- in ra cn rr o o o3 1 ro rva cn o ro * cn ^ 3* V: 3r* W-B* (-O* n Ol i. l *N*J* m rt* 3 (000 Oo 3 * "U cn * 1 r* ; o 3 p ; 33 Of i)t[ 1 I -- I i vo < cn :i m01M 2MT. i Cl. a i J ! O -t n ro i%;\ 1 j ; ,x- "3 *< 01 1! ; { 0i B^B ,1 J c. M^ cn 3 :*i CO i j\!\ 1 i r > i a ) J "S Oi n i r*+i _ r oQi ! < *0 i i r Ql r "O * *T3 >! 0 01 O 3" it ^ ` i; V. X r I- s*? JNS* i : sl :. cn . ro POftM 77 C r \ R elevance lo E xp o su re to A x b c s lo s and O c c u rre n c e of C a n ce r * ? . 1 * =L s X r e. ri ( 1 * 0. A t 4 * V0 . 3& 5 9 J A9 > m t .. e C ................... *3 3 3 A A 0aX m *1 T3 *3 1 0 3- A A ST * JT 3< m <a 0 < ia w* < A0 X r =r 3 00 5* s * i ; , A r ` > 2 --4 *? 1 A 61 3 -- v a rr C u * u H * o y a --S" -3 r? _ 3 ^ u ? 5 ^ A * ',5 2 -3 0 0* a 2. 3 (6 f* tem mam mm ^ ~O n -J 3 ST 5 > ? ~o r3 ~ ? rA %_ o N 1 C* 0 A > * o M r * < n " (V 07 A r* 3* :r r*t 3~3 " - a "O V** <V6I o S 3 n a " Si c n o o S S.-* a ~ <JQ '* e* \j\ o -- 1 i < : o X -J V-H w rw C ? 3 #> O ~ 3 0 3 y Indicates th a t th e y a re p ro b a b ly asbestos bodies. L a rg e n u m b e rs of asbestos bodies In lung plus d iffu s e ( *o n f ( fib ro s is w ould in d ic a te a s b e s to s is -a n d w h e re n e o p la sia Is In v o lv e d , o c c u p a tio n a l e x p o s u re to asbestos m ay be c a u s a tiv e . A s b e s to s bodie s m ay pass u n re co g n ise d w ith re s u lta n t fa ilu re to e s ta b lis h th e ir re la tio n s h ip to m e s o th e lio m a , and the Im p o rta n c e Is s tre s s e d of re c o g n itio n o f th e p o s t-m a tu re degenerating g ra n u la te d asbestos body. Mk.UoN IXSTITITK, I'nTMmiMdll. I'.\. D e v e lo p m e n ta l C hanges in A sb e sto s B odies and th e ir S ig n ific a n c e V 0 -- 0 pm 3 3 9 3 OQ O. 3 OQ CL OQ rr pm A ta pm 3 A y c 0 Q. (ft 3 pm 3 A 9 ST 3 OQ A A93 C. ns* o a 21 3 2. 2. 5 s* _ o= q 0 S. ?2 ow |j * 92 & 9 & 9 99 X CL z. " 2: a o A 9 1 y ?3 3 A A i7< _ T? o a i3 T3 A * 9* 3 Oa A 5-2 ? 3. 3 a. 2 >? 74 |n Cl y 9 3 IQ A : ^ a ao W S^ 3 a ? in C/1 o n O n n ** $ -- 03 ? 9 C* ? _ _H ^<* * 3 y y 4 A 'A39 MZ y 5 ? e r-C A D OQ A A ew OQ y a S 3 A 3e a 3T O - 9 V C y r* A 2 A 3 O' oaS.* *2"1* CA jo" A ^ o - *t A 3 9 m oq 3 S y o & *< ? i y S-; co2A 99H 2 o 9 3* -i O A a. * a y 3 o o I: y fOi- 3" 33 A2: <- 3 y M -7 * <* 9 y 91 - 2 *3 y ^ y o 9ay O. n vO ' i 2& 3 3 ioiijnA gO;' 9 * r o *< 3 n 3 O O 9 s: y H ST A 9 is A * a A A-t ;--r 5 --l CL A cn o * W 0 -a c 3 0 --A u th o r's sum m ary ; o a * ma a. ?! I i r A 0 2 a :*u>n I>*M'riTT:Tv:. Vrrr>*iit*j?cjji. V o 3* n s ; *o 3O CL 3 A M1 ft - w ft ~ A : i s 2 * <i 2. ~ 2 n 2. * a 0 2^* ^ 2. ft 5-s; o a. 5 c 2 ft * w a ~ 3 A A `is ST a z s.? ft e . ft JoLr _ rt 3 ft 5 - 1 ? ? 3 2 ft - 3 a* * *s 3_ 3*3 o 1e i* 3 m. fnt rr ; . o="- 3 5 5 .1* 2 Jo 3 a * fl h 3 at A 3 -a m o * o ~ ft < 3 w < *3 ft 2* O --a O **%< 3 0* $3 3 > n ft ft 5 ot 3* f = cL o**< /* _. rv J ft o s$t DO 3 0,2 "So- 2 " 3 n o" ft ft ft O , It* o -. = OB 3 -O V o ft ft ft 2. e " S a 3 ft Q s - ~ 3 ft p. 0 2* ft C 3* S 2. < 2 ft cr n 2 5 ~ ft ft t J n r ? i -- r oo "? * o 2. O 3 ~ % * 3 S' Z e ft m I 3 > I "x ft H o *2 "0 : 5 S 0 f Si ft 3 -, ^ .< Z ft ' ft S' ft " 1 O ft ;i s ft I 3- is 3" ft C ; 3 0* \ ft CL 3 n a. o ll M flu oft c^ 2~. 2 - cn 3 2 S a J7 ft o i ft O 2. 3 o* * -- 2 ft , ft. ft ft r 2-3" -ft "2. 5 Sj O O ft O ?; ft :^> 1 10 ; to 3 if 5 3 cn a 3 TO c. C < TO 3o CO o r c X o a 3 c CJ to -* -j 3 N M n U> U> l I u aF* /- ft Z P c 0 < oi' O 1 --J . > 03 y u > (0 c* n M 0 in a C a y N y n c. <o ' -- ft c n c. M 1 4 '-V _Sc rr 1 V. r o \ s; a l., * -J Ln M ^Q*M 77 r r <0. t N4 ( HAM >M |Q | D ust in v c s liy a l ions in an A s b e s to s - P ro c e s s in g P la n t and It S n rro u n d in g s Ti o r t tA WCMi AB9TBACT BLANK fO H C INKM AL U IC MkLIx>X I .NSTTTVTE. 1 ITTsn t ' J*<: M. 1\\. S? H M 9 =Q S 73 ui C* e o re 2. cn Or rt--e .7B3) to re " n 01 C. a n 2 . re re rt> _ tn 3 -T5 " a h A'-- JT 2. ni to >- cr c 3 2. o sr TO 3 3 3* b m " 3 u e*> O. 3 73 ^ ra 3 3 re 03 5 M <3 to 7 re a . re i c. r 10 re 2 ~a 3 3 0 3 n o =?' re O c* a - -4 ~w 73 C. 3 re r--7 7 re* ( re 3* re 01 3 2. ! "3 >' 3 g. 5 3 = i. o' 0 n 1 of L IT o03 01 re o c 73 3 re 3 v re v; i = $ ^ re sr re m 2L o re 01 j o 3 3-si re re " M3 " O Cl *o c: > o 3 S' **1 ^ w ST C3 CD C3 CO O 3 8 re 5 a 5' sis X o c* < e> ... O U 3 3* c _ re s re o 4 = Cf TO B 01 re cr M *3 re 0 01 -- B 01 01 o o' re re 01 V) to _ 0 5 O* 2 r0e 2. re oBS of 2. -or 0 - w I - 01 3 s of ro 3 re o 5 0 s. c. -1 re 2 c 5 O 3 re 3 a 3 ^ 01 re 01 ** f- 01 n re w . c o ^3? ^ <ft M I 3 re 3 55 re o g re 2>o C- = * f j 3* -- B re C. s 5 0 c = 3 r T. u TO O 3 03 CO CL 01 3 c re c. cr cn 0X OP 0 re << ij 5 ^ re C CD CD =r 3 re re 5 3 Q. D re 7: <a 3 5- CD a 5* S a 2. M* 3 2. re er ^ < 2 re a D .2. 3 01 re 3 0 /M 03 s 5. 3 s-- 20 0) a M o>. re? c 3 Jrr ' 0 o 0 3* TO re re " re 3 <n kj S' <D re iD 3 C. to cn =,' r* 0 u> rD n o ; s 1. . . - i i 11 < : i < O r 7 ______ 7J M . T o m a s in i and E. S a rto rc lli F re q u e n c y o f E lc c tro c a rd io g r.ip h ic S igns o f C h ro n ic c o r p u lm o n a le in A sb e sto sis. ** * 5ts Q fc! 0 ^ : C m a. M KI.UN 1NSTITITK. l>ITTHUtrwm. 1\\. 3* & *0 ' % J s* * > 5 <* 0 n a n - *c * r 3 *o o e* ** ft 3 ft 00 a ns ^s-rs"= c a 3 I Q-SlnLo-- t, 0 S#32.-'3''ST3 3* 3i < -O b C -s >~ 6# ft or _ - (A o o " i 9 ^ y3T -c ft ~ * (A <1Q < * p - * w ^ <y . n> t `ft w - "Z- s 2r.3- a (i -a -- a 3* 0* JT 0 or c* * o 13 i ? o r sS?i5-I . <3 H-is 155 c "< . * 3" . =- 2 o i o 2, - n _ " ,, < O a5 . 3d 3,3 ; A ^ i. CL . a ss.s,;;:5. s. _ *3 3 3 ** | ft ft C --co 0-0^0 .IS. 3 is Jo ,, OJ 3 53SL . -- * o % - 3 2. o *3="-_r:"C0 3 b oi" " o; 3 t Ab S _<>. -- * ? Cg In 3 -3 b b n ~ "*. 1-- ,, ' 3 nw " p 3 f ST - >< ft " 3* ft *< ^3 y 2 r2.C32a*r o ~ r ra - x^* -* cr ** t? ~ s 'T * ~ ft *5 f-t 1 n f;t sc- t?r z. 3" * " - n >--3. ^ *x I-T =o ==. 1 <; n r 3 3 3 H <oraft<n*^*7?L -- 2. - s' _ e -- 0. =. -2 1" -. I 2 >. o 522 2 s < O" o -- ~ n< =3 2a 3 1 * 2I3 2s a ? o - o o -- n ? o < " ~ 3 o ft ? PJo"-' 3* -- *. ta r- 3. > " O 3 S',Zwn2 = 3 b ia e> ** * -- " ? s. 2o JJ^o"' = " n r-?::G|o 3 5 ~ " a aoi < > 2 s _ s ao- 3 ft m, t O ^ -- .2"^3*?3 c w Aor ft --^ ui -- ft o u X - 3 r. < - - - O 2 tn t > to< ;; c > ft ft f3t ? <* O' ft S rt c* sr.! < o n O O- . < ui Ln vn ^.1 Od O ' A W ' a : <> ; * >2 -oi **sj . < . 0 o -' - _ CO - 7 * = J1 c- ~ C roni* TT ' 4-44 \ R. F . H o im a m The K o n im is e r - A D is p e n s e r fo r the C ontinuous G e n e ra tio n o f D u st C louds fro m M illig ra m Q u a n titie s o f A sbestos 5 0 :I sm m5 0 > fll I ft C 1 * 7 > s2 2 2" Mr.m>y Institute. Prrrsnuvou. I\\. 0 0 o b 0o 3 a ft ft ft t ft 0 3 *2 ft ft 3 ft o> 2 a. * ^3 7 A <a* a -" 33 3 -- o3 oo. 52. ; O 2.S- 3 O 5 3 '3* g 3 ft 9 ft 2 3 ft cu S 81 C 3 H iL /O ft ft ft = 2, 81 ft ft X ft -3 3* O e -- ftt o< 2. * _ S, ir ft M ft Zm -- 0 y sr 2 *1 3 3 -1 0-3. "s si ft ? 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G old S tudies o f the S o lu b ility o f C o n s titu e n ts of C h ry s o tilc A sb e sto s in V iv o U sing R a d io a c tiv e T ra c e r T e ch n iq u e s MlCM-ON 1NMTTTUTK. PlTTsmiRail. 1*A. 'OM r r 14 >a:0n:* o c m I n 0 2 POftM 77 i? i f i l e* * A s b e s to s a n d F e rru g in o u s B o d ie s A rh. 1 o f the w ere iro n -: serve I nsti IT 1 K. |* n*r*.m U. 11 IV - ->--- X V \ i, , m e ft 3 * 0 0> X * t O ft O 3 3* ft * r a fftt fi) in fftt * CO 3J cr no 03 P* wl rj* CA > O 3 ca o akM.> 6 2. e 3 3 a. ft CA cr C. f* CA o 5' ft' 2 n c cr. C 5' TO oc* 3 o. TO*' C. 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X - - a c> X a to < J a 3 c 3 B 0 B k. a 3 3 o C c o e --1 7 -r to L % 05 - X a . x a --* CJ 2 S a *3 CJ u -3 a x a o 3^7 3a 5 ~o a -- a md -- c X8 <k2. X c r- CJ U a o - c-- . O 3 B - O 'Z a c s r- c. o a a 73 ct. X u a a 2B Pi 2 - > -aa ui xa =J 2c 2 8 = O X a B a a s -- X y .S- `a art *rt a 2 a X a 2 u0. X3 CrOt a r- a -- to Industrial Hsalth Foundation, Pittsbureh. -------- -------------------------------------------- ^ Pa. ^ ac csq aa<a ftaaocgIr** CD S3 g ra 9* -- rc;* cc ra o 2. i 3 3 3<35 33 333 35M3 3*3r 3 3 r- o o o 3 co S' 3 ? > 5 : o 3 B3 C a? w w ^ w- (9 S' s: - < O o ra re 2- u ~i * z. o re si 0 S 65 O 3 '! re ui (9 o 3_ *3 2. 5' sT re m* *1 W ' re Q* Oa o cr x i cq Oq ta S'l 2 05 3 i X 3 ra rWe CD n ao - M ra ,,. 3 h, c 2. 3" C g =r 3 w Q. 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Pa. fo r c h n lio c o tic p la q u e s to d e v e lo p . In te re s tin g a n d im p re s s iv e e x a m p le s o f fa u lty ra d io g ra p h s w e re p re s e n te d . In X - r a y in g , it is n o t a d v is a b le to u s e s c re e n im a g e s fo r th e e a rly d e te c tio n o f p a th o lo g ic a l c h a n g e s in th e lu n g s , o n d th e y a re e v e n to b e re je c te d w h e re e a rly d e te c tio n o f o s b e s to s is is in v o lv e d . H a rd la y s p ro v id e fa r b e tte r in fo rm a tio n . R e fe re n c e is m a d e to th e n e w c la s s ific a tio n oo* re o -- 0 3 3" <9 I-1 3 >3 to^ o 3s J re to S3 w ST a 2. 5 re ? o rr S. 5 c *3 to O CO 6 c 3* o*S 3 0Q > re u S. o CD _ cr ps re 10 Om a S.I co o O0 o< re co Jr CO 3 3` 09 N 3 S' CO c O eq 09 P 3 >1 a Q. . 3 o 0 * re *3 m a. o o TM *ri S c - cr at 5 (9 A ft a at re 3 sr g. o 5 O- ~ n *2 'O C* 3 re co < 3 I o re it re re g x ^ o3 ^ " *3 re cr S. ^ o E. O a re " 3 CD re re 99 CcnD tJ 3 3-. a 0) 2. a a C9D) . 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