Document kmBMdJ29ODLNd5NJekV6k4rbB

Ju n e 1 5 , 19lA Dr . R u sa e ll M. Ku r ten 8lO Main St r e e t Racin e W iscon sin . Dear Doctor Ku rten : ' Th an ks ver y much fo r p a ssin g alo n g to me a copy o f Mr. K i t t o *s l e t t e r 28t h he employment r e c o r d o f an d I h ave gone over the in for m ation con tain ed in t h is l e t t e r and a lso in th e form er l e t t e r d at e d A p r il 25t h , and I may say t h a t i t i s somewhat d i f f i c u l t fo r me to v i s u a l i z e the ext en t o f th e p o ssib le le a d exposu re o f th ese men from th e In fo r m at io n giv e n * For exam p le, so f a r a s I am a b le to se e from th e r e c o r d e d i n f o r m ation , the le ad exposu re o f f H H H B H R du rin g t h e p a st t w o y e g s m y w e ll h a v ^ e e n t i m same a s th at of From th e a n a l y t i c a l d a t a t h i s can be ao u o cea, I b e l i e v e . A cco r d in gly , t h e r e fo r e , I wonder i f i t would n o t be p o ssib le fo r Mr. K it t o to g iv e me somewhat more d e t a i l e d in fo r m at io n t h a t v#ould en ab le me to come t o some more d e fin it e co n clu sio n con cern in g the oppor t u n it ie s fo r le ad exposu re exp erien ced by a l l o f th e men on whom we d id a n a l y t i c a l d e t e r m in a t io n s. I c e r t a i n l y do n o t w an t Mr. K i t t o to se ar c h h i s mind and th e co n d it io n s in th e p la n t fo r any sy n t h e t ic e xp lan at io n o f th e d iffe r e n t a n a ly t ic a l fin d in gs which h ave been o b t ain e d , fo r an y su ch e f f o r t on h i s p a r t would co m p le t ely d e fe a t my p u r p o se . On th e o t h e r h an d, and q u it e a p a r t from th e a n a ly t ic a l d a t a , I would be v e r y g r a t e f u l to him i f he w ould giv e me somewhat more d e t a i l e d in fo r m at io n con cer n in g th e work o f t h ese men, p a r t ic u la r ly d u r in g th e p e r io d o f t h r ee months or so im m ediately p r eced in g th e c o lle c t io n o f th ese sam ples* I f th ere have been any im portan t ch an ges in the c h a r a c t e r or lo c a t io n o f th e work o f t h e se menljC I w ould l i k e t o h ave i t . As one lo o k s . over th ese d at a, the con clu sion i s in e scap ab le t h a t th e men a s a grou p h ave h ad o c c u p a t io n a l le a d e x p o su r e . Two o f th em, a t l e a s t , would seem t o h ave h ad r a t h e r co n sid e r ab le exposu re and y e t i t m igh t w ell be t h at th e two h igh u r in ar y v alu e s were th e r e s u l t o f 2-- o b t a in in g a somewhat co n ce n t r at e d sam ple o f u r in e in clo se tim e r e la t io n sh ip to a r at h e r sig n ific a n t b u t b r ie f le ad exp osu r e. I would lik e to sa t i s fy m y se lf on th e sig n i fic a n c e o f t h e se p o in t s, i f p o ssib le . I sh ou ld ten d to d isc ar d th e sign ! .loan ee o f t h e se two h igh r e s u l t s e xc e p t fo r th e f a c t t h a t on se v e r a l o c c a sio n s th e r e s u l t s o b t ain e d on A lvin Putney were qu ite h igh . In g e n e r a l, from th e su rvey o f a l l o f th e fin d in g s, i t would seem t h a t le a d ex posu re in t h is p la n t , w h ile d e fin it e and m easu reable, i s n ot u n du ly h azar d o u s. However I would lik e t o be su re t h at t h a t i s the case b e fo r e making a f l a t st a t e ment, and, th erefore, a b e t t e r in t e r p r e t a t io n o f the exp osu r e o f th e two men on whom h igh r e s u l t s were o b t ain e d would seem t o be in d ic a t e d . Very t r u ly you rs, i AK: i s R o b e r t A. Keh oe, M.D.