January 13 , 1947 Dr.

New York Of f ice: Federal Building 26 Federal Plaza 22nd Floor New York, N.

October 4, X 939 Dr* Carlos Otollna Log Lechosos a l^nte Brian 220 Caracas* D, F* Venezuela bear Doctor QtoXln&s I just received, word that leaded gasoline is to be blended in the near future in Venezuela by the Shell people at their San Lorenzo refinery, and by the Jersey people as well, Shis brings me to wish to complete the arrangements discussed with you by my associate* Dr.

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?

ANDREW F L E T C H E R , PRESIDENT K.

D ecem b er 15, 1958 M r , M an fred Bow ditch D ir ecto r of H ealth an d Safety Lead In d u stries A sso ciatio n 60 E a st 42nd Str eet New York 17, New York D ear M an fred : '* I am som ew h at fa m ilia r w ith th e M .S.A .

\ $ 19 December 27* 19*3 Mr . 0.

r ETHYL CORPORATION CHRYSLER BUILDING 40S LEXINGTON AVENUE NEW YORK December 3. 19^3 Dr.

April 29, 1946 Dr.

\ A- V\ jt * I u/ --r* \ . o r= r .

April 25, 1960 air mail J.

July 2, 1951 AIR MAIL Mr* H.

cc: Dr.

Mar ch 20, 19^3 Dr .

NEWMONT MINING CORPORATION 3 0 0 PARK AVENUE NEW YOR K 22, N.Y.