Document zdnKyvm4XBkwg15QDor6LEyEz

FILE NAME: Asten Hill (AH) DATE: 1953 DOC#: AH009 DOCUMENT DESCRIPTION: Meeting Minutes HOLMES IS A3B25T03 TEXTILE lir/TiTU-J: A ir Hygiene Committee lioatin g YJcJner.day, Har eh 11: 3.0-5:3 In attendance : J , Y* '.7obor, D. R. Holmesj T G. u c lin iu tJackson , and G uest Ki `:.:r Smith, !i.D. _ Jb.m-j..!. H. J, D r. K. T7. Sm ith , ile d ic a l D ir e c to r f o r J c ; ienvi l i e ; d isc u sse d th e m ed ical a sp e c ts c f a s b e s t o s is . Tie cii.r: '': i jci; to pvJ_.onary r a c t i o n , and the p ath o lo g y o f The d is c a s - : '`ire i l l u s t r a t e d . C -iv 'c rc n tia tio n o f s i l i c o s i s ana a s b e s to s i s was cxcar..y o u tlin o u . I t iras established tliata. a sb esto sis does not predispose to tuberculosis b . a sb e s to s d u st nor se* i s r e l a t i v e l y innocuous; i t i s th e lo n g f ib r e (1 0 to 50 m icrons) tlia t Sra. th e f ib r o s is producing elem en ts.c . the am esite fib r e produce pulmonary deaegc core rap id ly than the ch ry setilo d. there is considerable variation in individual su se o iitib ility to id anti-a 1 exposures c . in a d d itio n to a sound ongiueevi.'.g program an ad equate n o d i ca l pnngmzi_is e sse n tia l to d isersn control f " job a p p lic a n ts u itli healed tubv.r:-ul::r.is, poor r e sp ir a to r y system , or deforced ch est strucru: o si.ould not be assign ed to asbestos exposures. C onsiderable d isc u ssio n ensued, during \iiieh nueeious sp e c ific ques t i o n s o f the Committee members v/ore an sv erc-l. I t r/as th e con cen sus c f tee Commit te e tlia t c o n sid e ra b le v alu e to th e In d u stry could bo obtained .through a_noet*: the medical oersotm el o f th e I n s t i t u t e members .. ut v:as re covncrx; _u tlia t com pany-related d o c to r s ce i n v i t e e to--cne n ext m ooting o f tn e A ir HygiL-na Committee on June 11 th . I t tras proposed th a t a t t h is m eeting a program p r o v id in g fo r the accum ulation and exchange o f d ise a se experience o f the member com panies be d evelop ed . The d is c u s s io n o f a i r sam pling tech n iqu es brought to lig h t c ritic ism .o f c u rre n tly accepted methods, and the r e a lis a t io n th at surveys to d a te iTcrc- reco rd e d in terms o f d u st p a r t i c l e s r a th e r tlian f i b r e s . In the lig h t of the Saranac research r e s u lts , fib r e concentrations are the c r it ic a l fa c t o r . Dust p a r tic le s per so are of nuisance value o n ly . I t i s the recommendation o f the Committee th a t re se a rc h be done to determ ine rh ich c f the se v e ra l a v a ila b le types of a i r samplin, equipment i s most e f f ic i e n t in c o lle c tin g and e v alu atin g air-b orn fib re concentrations. Gub c o B E itte e s ch airnan ed by D. R. Holmes and T. G. Schmidt have been ap poin ted to in v e s t i g a t e th ese tiro f a c e t s o f qur problem and r e p o r t m i l l be made a t the n ex t m eetin g. P LA IN T IF FS EXHIBIT / V** -V - Air Hygiene Coienittoc Hooting I t r a s ag re ed t!'o t th e se b a s ic in q u ir ie s should bo made b efore a more com prehensive p ro p o sa l Tor an ir.dus t r y - t id e hygiene survey program i s subm itted to the I n s t i t u t e . Papers on s p e c ific su c c e ssfu l a p p lic a tio n s of dust control w ill be presented a t subsequent m eetings. U. Jackson Chciir:nan 1 AHD 0002829