Document zVBKqR6JGMENwE59kxXpBdoz

FILE NAME: Ford (FD) DATE: 1970 Dec 15 DOC#: FD105 DOCUMENT DESCRIPTION: Letter to Prof. Willard Libby, University of CA from Bernard Weinstock, Ford Sciences Dept ' . . **\ ; ' / ./ e V. : r X- ^ ; Ford Motor Company . . . December 15, 1970 20000 Rotunda Drive Dearborn, Michigan 48121 Mailing Address: P .O . Box 2053 Dearborn, Michigan 48121 P rofessor W illard F. Libby D irecto r o f In s titu te o f Geophysics and P la n e ta ry P h ysics U niversity o f C aliforn ia ` Los Angeles, C alifo rn ia ,, 0096 Dear B i l l : ' Don Je n se n has asked me to drop you a l i n e about our work on asbestos and rubber em issions from motor v e h ic le s . A copy o f an Intra-Company Memorandum from Ja c k Ninomiya to Mr. M isch summarizes our asbestos s tu d ie s. I m ight p o in t out th a t the q u a n tita tiv e a sp e c ts o f th a t summary a re based on p re lim in a r y d a ta o f Dr. G ealer and w i l l probably be changed when th e study i s f in is h e d . We s h a ll be happy to send you a p r e p rin t o f the f i n a l r e p o r t when i t i s a v a ila b le . D r. Ir v in g S e l i k o f f o f Mount S in a i H o s p ita l in New York C ity (c u r r e n tly P r e s id e n t o f th e New York Academy o f S c ie n ce s ) i s perhaps the le a d in g a u th o r ity on th e epidem iology or a sb e sto s and i s in dLos. touch wiha n a about our s tu d ie s . You m ight want to c o n ta c t him about the problem. I t tu rn s out th a t th e re has been a g re a t cw e r s ig h t about the t o x i c it y o f a sb e sto s because o f a lon g la t e n t p e rio d . The major in s u lt from asbestos to th e p opulation in gen eral has been from i t s use in the construction In d u s tr y . S e l i k o f f has g o tte n New York C i t y to improve the s itu a tio n th e r e , by re q u irin g enclosure o,f asbestos spraying operations used fo r - f i r e in s u la tio n - o f th e g ir d e r s o f t a l l b u ild in g s . On a le s s e r s c a le , in c id e n ta l exposure to asbestos such as the use o f asbestos gloves or winning m erit badges in the G ir l Scouts ( see attached correspondence) are a ls n m atters o f concern. 'By th e same to k e n , exposure to asb esto s dust d u rin g brake l in i n g m anufacture would be o f h ig h e r order concern than brake lin in g wear. 8000 0020 PRODUCED BY FORD Professor Willard F. Libby -2- December 15, 1970 Ve a ls o have a study underway on p a r t ic u la t e em issions from t i r e wear. T his work i s bein g done by B i l l P ie r s o n , who i s a n u cle a r chemist by t r a in in g (P h .D . from C o r y e ll MIT, p o s t doc w ith Nate Sugarman a t C h ic a g o ). B i l l ' s work i s f a i r l y w e ll along and a re p o rt should be a v a ila b le s h o r tly . On b a la n ce , the t i r e wear problem appears to be a sm all fr a c tio n o f the exhaust p a r t ic u la t e one. The main d i f f i c u l t y h e re , as i t i s w ith p a r t ic u la t e s tu d ie s , i s the development o f r e lia b le sampling and a n a ly tic a l techniques. I tr u s t th is i s h e lp fu l and w ill be happy to help fu r th e r, i f I can. With b est regards, Sincerely yours, Bernard Weinstock Manager, Senior S c ie n tis t Fuel Sciences Department S c ie n tific Research S ta ff BW/pk Ends. CC: D. A. Jensen 009681 Ros e 021 PRODUCED BY FORD