COPT December 6, 1935 Mr. c l a r i e s W esley Dunn, 608 F ift h Avenue, New York C it y .

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June 2, 1932 Mr.

E. .

ii< CHRISTIE BENET WILLIAM M.

A n g u s D.

I Et hyl Gasol ine Corporat ion Engineering Laboeat okt 723 East Mil waukee Avenue De t r o i t ,Mi c h i g a n ITovembsr 17th , 1931r Dr* Robert A.

J* De pa r t me n t of H o r t ic u l t u r e U N I VE R S I T Y / I LLI N O I S COLLEGE o f AGRICU LTU RE AGR I CU LTU R AL E XP E R I M E N T STATION URBANA, I LLINOIS May 2 3 , 1939 Dr.

NARRISOH Harrison;Radiat or Division gener al mo t o r s c o r po r a t i o n L O C K P O R T NEW YORK January 19, 194-0 AppliedDr.

August E* 1937 Dr* Carl M* H lllenbrand Plant Physician Harrison Radiator D ivision General Motors Corporation Lockport* Hew York Dear Doctor Hillenbrand* tI a a 3 e n d in ^ y oovu^hieerew ith reports on and The resu lt on^ B | i a within n o r m l^ fS x t^ ^ n fx o that on ^ ^ f l ^ f f o b a b l y not s i g n i f i c a n t l y h igh from cllrm ja3^ > oln t o f view but i s in d ic a t iv e o f some s lig h t lead exposure* or i t is at le a s t suggestive of such exposure* I am a ls o send in g you th com plete s e t of r e s u lt s on the blood samples and th e spot samples of u rin e which I obtained w hile at the plant* These are fo r your information aid for the sake of seeing the range o f valu es which i t is p o s s ib le to obtain in a group o f men who show no c lin ic a l evidences of In toxication * I have checked w ith a lead p en cil those re su lts which are s u ffic ie n tly h ig h to r a is e some q u estio n in one*s mind as to t h e ir s ig n ific a n c e * i f c l i n i c a l symptoms o f any kind were to d e v e^ i^ ^ a o w ey er , there i s only one* namely th at which is a sso cia ted with such sympTomB and p h y sic a l fin d in g s as might be in te r p r e te d as t o x ic symptoms due to lead* ' As I have in d ic a te d in a l e t t e r which I wrote Mr* Jen k ins a few days ago* I th in k a l l o f th e se symptoms and p h y sic a l s ig n s are b est explained otherwise* but the coincidence of such find in gs with a urinary value of 0*1?

HA^SOtj Harrjson Radiat or Division, GE NE RAL MOT ORS C O R P O R A T I O N L O C K P O R T NEW YORK Avgust 11, 1937 Dr.

A pr i l 7, 1938 Mr* P.

Gr a ha mEd ga r D IR E C T O R O F R E S E A R C H Et hyl Gasol ine Corporat ion Chrysler B t j i l d i k g 135East 42*PSdoeet e w York December 18, 1934.

November 2 3, 1933 Dr.

December 1, 1936 Hr.