Document 41ZREzJyZJYRz8n64o9ak6G1

FILE NAME: Asten Hill (AH) DATE: 1956 Feb 29 DOC#: AH020 DOCUMENT DESCRIPTION: Memo ITMpK !JJt!fPS j EXHIBIT { v * .<F`--sqa F eb ru ary 29, 1956 r.^ rr- .v ac iy ' .. x . , < *-y , Ctf. cX o,-V. j Ar v . i i - V :.*;>*>. ,r ' -.'M s m o ran d om R eg ard in g . * r_ ...... ._ Junvironmental Duet Su rrey for ? *u ..Tt; A *b *a t o ^ T ex tile. In stitu te vrv.s.-.'v -V. \i._. .ns '.i*iver hand..* thovu-.u* r-v.^Vv^c isr'*. i (>A > ;di iia hi le tte r c f.Ja n u s ry .5 , 19S6,->ix^-0,JB-.^ H olrpep^ C h air m en, -Ar H ygiene C o m m itte e , ,A *b *U ia-T ex tile in sU tu te* a sk e d the , F o u n d e d the c o st and tim e It would .tihs| jo. zuabq.^, d u st su rvey .at the sam e statio n s in e a c h plant .aa_wcre- .used iA .the.^lnst-Survey fo r the In stitu te . The p r e v io u s in v e stig a tio n m a d e by .fe s.F o u n d atio n vras a--prelim Inary- study -oith tb s o bject of defining the epccLfic nature and the m agnitude cd the p ro b le m ' The study, c o n sls.tc4.FUtInly of inapec- t lc a a of the p lan ts frith c. ILaaiUd npxnbtt; o f tlpst co u n ts, 0. m o st of 11 plants had'data available from othr dust-count .surveys, j..h v , nr-jjWUh re g a rd to ft-d u a ta o ^ e y n t^ h e p re se n t Um et the Jcm n- .datlan urculd co llect sam p les. and m ake .dual.counts l o f a il the plants Irsy-EHYcd a n d b a n Its s u g g e s tio n s and re c o m m e n d a tio n s cn the r e s u lt s of their oct study, . v,:,u_ , .. \ , ol * 'r .'. Io. con d u ctin g the d u st cam p lin g end co u n tin g .,.ih e P o u n d a- '.tinr .-a-Quid, u s e th e Lmp tag < r. a p p a r a tu s and. tho-com m only a c c e p te d counting technique u sed fo r silic a dust. It Is recogn ised that there M am oran dum ro I2iirirorvmnta.l D ust Survey fnr A sb esto s T extile Institute -2 F eb ru ary 29, 1956 is con troversy regarding tbs tn ech u iam of action of asb esto s p a rtic u la te m a tte r . It is a ss u m e d by so m a that the e ffe c ts a r e due to f i b e rs} henca counting p a r tic la a would not give a sa tisfa cto ry m easu re of the ha.ua.rd. On the o th er hand, th ere is so m e evidence that fine p a r tic le s a ls o m ay produce In ju rious e ffe c ts. T h ere Is no m ethod a v a ila b le fo r determ ining qu an titatively the num ber of fib e r s p re se n t in an a irb o rn e sa m p le , and fu r th e r , th e re a r e no d ata on which to in terp ret the findings of fib e r cou n ts, even though a m ethod w ere a v a il ab lo . Kenco the im plu ger is re lu c te d a s the only p ra c tic a l method readily available for a routine study, . The re su lts obtained by the im pingor cannot be in terpreted d iro ctly in te rm s of potontlal in ju rio u s e ffe c ts, owing to lac k of in fo r m a tio n on the p h y s io lo g ic a l e ffe c ts of a a b o e t..ows . H o w e v e r, the r e - stilts should provide on la d e s of duoCLneas and indicate the efficacy of p re se n t con trol m e a su re s and the need fo r im provem ent in those a r e a s which a r s ex cessiv ely dusty. F ro m the in form ation e n clo sed with h ir. H o lm e s' le tte r o f F e b ru a ry 15, 1956, it is noted that olx plants a re involved. It is a ls o noted that certain sam plin g statio n s have been ch osen . While AHD 0 0 02 89 -Memorandum re Environm ental Dual Survey for Asbestos T extile Instituta - 3 F e b ru a ry 2*?, 1956 the F o u n d ation w ill follow the su g g e stio n * of the cocnp&nloi in gen e r a ! with re g a r d to sam pling locatLona, It would fe e l fro e to elect sam plin g location. which it wao fait would give a bettor evaluation of duet crp o tu rc. The estim ated co st of the su rv ey is $6, 000 to $7, 500 plus tra v o i ex p e n se a . A rango Is given ra th e r than a sin gle figu re owing to the fa c t that it is d ifficu lt to give a p r e c is e figu re without h aving cm do a p e r s o n a l v i s i t to each p la n t. AHD 00 02 89 8 f