Document vQ36m1Rqmz0MmDNeRdQDGKO9

FILE NAME: Texaco (TEX) DATE: 1949 DOC#: TEX017 DOCUMENT DESCRIPTION: IH Digest Abstract - Asbestos and Cancer of the Lung .p iA iim rr's exhibit ko.. c . I \ ** I *1 c,\se 5 8 -5 - *pug*i*rt ^ * ........ Industrial Hygiene Diges INDUSTRIAL HEALTH NEW S LITERATURE ABSTRACTS MEDICAL ENGINEERING ' CHEMICAL TOXICOLOGICAL . . T T Y ^ g T , . . . deU iO B i ad trvad * (V o ll3 , Ho. 8> ^l ' INDUSTRIAL HYGIENE FOUNDATION 400 Jirm AVHTOX PITTSBURGH13. PA. fh j'fflffcs' c Jo u h r rfX ffr - !% 0 (?) : I 4i Industrial Hygiene D iv est - 15 ) Severer, g re e t care should, be tak en to exclude the tuberculous in s e le c t ing persons t o re c e iv e aluminum th e ra p y , (k) i t is c o t b e lie v ed "th a t~ a ~ s c ie n tific a lly co n tro lled experiment in industry is feasib le fo r the evaluation o f aluminum fo r th e prophylaxis o f s i l i c o s i s . Ih is follow s frea the uncontrollable variables inherent in the in d u strial situ atio n ar other fa c to rs which have been d is c u s s e d . For these reasons, i t appears improbable th a t any research agency vould co n sid er i t advisable to under take such a p ro je c t except under s p e c ia l conditions already discussed, an which nay n o t be a t t a i n a b l e . (5 ) The M cIntyre Besearch F oundation, as p re s e n tly o rg a n is e d , i s n o t equipped t o so lv e th e aluminum prophylaxis problem in r e l a t i o n t o s i l i c o s i s . The s te p s considered n e ce ssa ry t o acco plish th is objectiv e are o u tlin e d . (6) Besearch should be continued vitl la b o ra to ry anim als v i t h th e -o b ject o f fin d in g a core adequate b a s is f e r a p p lic a tio n t o n a n . Such stu d y i s now in clu d e d in th e program o f th e Saranac Laboratory o f th e Trudeau Foundation. -- A uth o rs' Summary 866 E ffe cts o f E l e c t r i c i t y on th e Hunan Body. V .3 . Eouvenhoven. In d . .Med. 18, 2o9 { J u ly , 1949J. .................... ......... .......................... The a u th o r d is c u s s e s b r i e f l y th e v a rio u s e f f e c ts o f e l e c t r i c i t y cn th e body, in c lu d in g v a r ia tio n s w ith th e amount o f c u r r e n t. The c u rre n t values o f in te re s t a re : ( l) th resh o ld o f fe e lin g , about 1 m illiam psre; (2) le t-g o c u rre n t, above which i t is d i f f i c u l t to le t go o f a v in e , about 9 m illiam p eres f o r men, 6 f o r women? (3 ) c u rre n t producing v e n tr i c u la r f i b r i l l a t i o n , 0 .1 am pere; (U) c u rre n t producing a b lo c k in th e n e r vous system , one ampere o r more; and (5) th e c o u n ter shook c u r r e n t. The la s t three re s u lt in death i f prolonged; otherwise a r t i f i c i a l re sp ira tio n may save th e v ic tim . These e f f e c t s r e f e r to a lte r n a t in g c u rre n t--o f com m ercial freq u e n cy . D ire c t c u rre n t is much le s s harm ful. The only e f f e c t of high-frequency currents is h eatin g . 867 Asbesto jr Sltcri& l. n t S r i 3 , 191*? ) . Becords o f ; American and G erass p h y sician s and The Ai Beport of the fa th e occurrence of? ibis relation is by.-the f l o w i n g -^ b s e r r a tis * : { 1 % hence rate of cancer o f M M - 0 . ^ high-hi tmhhg th e W % K g& |S$ft W ,, nearly equal than I t Ib W i k i geher&l vSiSh SttteMtfct ^ a t an environmental and tehdW ttt-equ#ite 868 Changes in th e Lungs Produced by ff a tu r a l G ra p h ite . H .S. H arding and G .3. O liv e r. B r i t . J . In d . Med. o , 91-99 (A p ril, 19kp). . A b rie f d escrip tio n is given of the in d u stria l uses of n atu ral graphiti which is & c r y s t a l l i s e carbon mixed v i t h up t o 10$ o f fr e e s i l i c a *>r>d w ith o th er m in e ra ls . The g r e a te s t d u s t r i s k occurs in th e g rin d in g o f n a tu r a l g rap h ite, f o r which evidence is p resen ted to show th a t th is can lead to t>> ill*'