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D r . R, M. Ku r t o n 8 l Main S t r e e t Racin e Viiecon ain
Dear Doctor Ku rten :
I am se n d in g you h e r e w it h
t h e r e s u l t s o b t a in e d on t h e fo u r a d d i t i o n a l men fr om
whom you r e c e n t l y o b t a i n e d sa m p le s o f u r in e an d b l o o d .
Ydien t h e se r e s u l t s ax>e a d d e d t o t h o se a l r e a d y o b t a i n e d ,
I t b ecom es q u i t e a p p a r e n t t h a t t h i s gr o u p o f men sh ow s
th e e ffe c t s o f le ad exp osu re, in th at th e gen er al le v e l
o f t h e ir le a d e x c r e t io n and o f th e le a d co n ten t o f t h e ir
b lo o d , i s w ell above n orm al fig u r e s. Six ou t o f the
e i g h t sh ow d e f i n i t e l y e l e v a t e d v a l u e s i n t h e b l o o d ,
and th e r e i s good ge n e r a l correspon d en ce betw een th e
b lo o d l e v e l s an d t h o se in , t h e ur i n e . One i n d i v i d u a l
in th is l a s t group, Mr.
giv e s a very h igh
v alu e in th e u r in e . T h is m igh t be th e r e s u l t o f
slig h t con tam in ation o f th e sam p le, an d i t m igh t a lso
be the r e su lt c f h avin g obtain ed a con cen trated u rin e
sam p le a t a tim e when th e w ater o u t p u t w as r e l a t i v e l y
lo w . Op t h e o t h e r h an d , t h i s m igh t be t h e r e s u l t o f an
u n u su al e x p o su r e , an d in view o f th e r e s u l t s w h ich h ave
been o b t ain e d on
i t seem s e n t i r e l y con
ceiv ab le th at the la t t e r i s the c a se . At any r a t e th ere
i s a le a d exp osu re in con n ection w ith th e work o f th ese
men w h ich a p p a r e n t ly g i v e s r i s e t c s e r i c u s b r i e f e x
posu re p e r io d ic a lly .
In gen eral I th in k i t i s f a i r t o sa y t h a t t h e l e a d e x p o su r e o f t h e se men i s V ot"
o f an e x c e e d i n g l y h a z a r d o u s c h a r a c t e r . On t h e o t h e r hand I b e lie v e t h a t m ild c a se s o f le a d p o iso n in g m igh t occu r in o ccasio n al in st an c e s under th ese co n d itio n s. P erh aps more stu d y w ould be r e q u ir e d t o e s t a b l i s h t h is p o in t w ith c e r t a in t y . P e r h ap s, h ow ever, one cou ld d r ajv a f a i r l y accu r ate con clu sion I f he were In p o sse ssio n o f a l l o f th e in form ation con cern in g th ese In d iv id u a ls. I h av e a l r e a d y i n d i c a t e d i n my l e t t e r o f F e b r u a r y llj.t h th e type o f in fo r m at io n w h ich I sh o u ld l ik e to h av e . I sh o u ld a p p r e c ia t e i t v e r y much i f y ou w ould se n d m e, a s p r o m p t ly a s p o s s i b l e , a l l o f th e c l i n i c a l In fo r m at io n on
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t h e se men an d a l l o f t h e f a c t s r e l a t i n g to th e d u r atio n and c h a r a c t e r o f t h e ir w ork. I t i s p a r t i c u l a r l y im p o r t a n t t o know a t w h at tim e th e sam ples were taken in r e la t io n to any p o s s i b i l i t i e s f o r b r i e f s e r i o u s e x p o su r e . I f you w i l l se n d me t h is in fo r m at io n , I sh a ll go over i t c a r e fu lly an d w i l l be in much b e t t e r p o s i t i o n t o g iv e an adequate in te rp retatio n o f the an aly tical d ata.
Sin cer ely y ou rs, R o b e r t A. Keh oe,M .D.
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