Document 41Gm4Q1N87nGJwzXVZRZGvaG

UNIVERSITY OF ILLINOIS He a l t h S e r v ic e Dr . Bobert A. IZehoe Assoc, p r o f, o f Physiology u n ive r s it y o f Cin cin n a t i Co lle ge o f Medicine Cin cin n a t i, Ohio - Urbana, Illin o is W . 22. 1937 My dear Dr . hehoe: . Some members o f the s t a ff in our Agr icu lt u r a l Ex per im ental St a t io n ar e planning to conduct experiments on the t o n icit y of le a d ar senate l e ft on apples as a r e s u lt of s7ir aying. As you know, the United St a t e s Department o f Ag r icu lt u r e has p laced a lim it o f .012 gr a in s o f le a d and .01 gr a in s of ar sen ic t r io xid e per pound o f a p p le . This is two and one-half parts per m illion of lead and about l .h parts per m illio n o f a r s e n ic. Our experimenters ar e con sid er in g fe e d in g ad u lts a pound o f apples p er day fo r p o s s ib ly fiv e months w ith an average le a d con ten t o f .03b gr a in s ana of a r s e n ic t r io xid e .02 gr ain s per pound, o r fiv e p a r t s per m illio n o f le a d and 2 .S p ar ts p er m illio n of a r s e n ic. I f I am not imposing unduly upon your tim e, w ill . you not kin d ly ad vise me whether, in your judgment, such an experiment is a m ater ial r is k to those takin g such amounts of le a d and a r se n ic d a ily over a per iod o f fiv e months? Thanking you in advance fo r any con sid er a tion you may give t h is r eq u est , I am Co r d ia lly you r s. JHB/ vef J . Howard Bear d, M. D. Un iver sity Health Office r K 0 0 1 9 8 7 7