F o r m 53.

June 29, 194?

MAW/SChX Hai{risoi Radiat or Division GENERAL MOTORS C O RP O R A T I ON LOCKPORT NEW YORK March 9 19^8 Robert A.

aceip t fr a c le tfce r , Jun e 13* 19h9 Harry J* P lsh er t o l&n fred Bowditch As r egar d s th e aaoujfea of lltiicpon e in our crayon s, eur an aly sis sh cm d 856 barium si p h ate and 2 , ^ pea?

To Dr* Bofcerfc A* Kehoe Mr, E.I,duPbnt de emours and Co, Seranfcon> Pa, For services In analyzing samples for lead * , . #25*00 > 0 v/ #25*00 K'f 00 16 460 :fftT y ' V . \ `' . . i ' v.

Goiaplete clinical examination (consisting of physical examination, microscopic "blood examination (Red count, white count, differential count, haemoglobin determination, count of stippled erythrocytes), urinalysis, lead analysis of urine and lead analysis o f b lood, lead analysis of faeces.)

November 1, 19^5 Mr.

N Un iv er sit y o f Ka n sa s He a l t h Se r v i c e L a w r en c e, K a n sa s Ju n e 1 6 ,' 1 9 4 1 Dr.

UNIVERSITY OF CINCINNATI CO L L E G E O F M EDICINE \ CINCINNATI, OHIO 45219 rHE'DEA>T*' ' -- %; -S(lOEN AN D rB< ET"H ESDAAV>EN UES September 23, 196U I4r* * M Carson Vice Presiden!

N Jan. 2 9th , I had a lon g d ista n ce telephone c a ll from Mr.

Proms Platt*a Oilgram News March 8, 19^8 REFINERS CAN OBTAIN AIT?

TO FROM SUBJECT ETHYL CORPORATION cc: Mr.

Hovember 2 2 , i g ljJj P h ilip D rinker Harvard U niversity School of Public H ealth 55 h h a ttu c k S t r e e t Boston, Hass.

STATE 4836 Vm k u i c w x Du y Mi l k In s t i t i t t i ixc. 2 2 1 NORTH LA S A L L E S T R E E T - C H IC A G O UEStLvucii K m 'C A T io x Decomber 11, lQy,l Dr. .uobRrt, A.

REPORT AxW RECOSMRHBS:XQ3S8 RELATING TO THE OPERATION IH TIE PLAST OF THE AMERXCAH CF130IBJS PRODUCTS COMPANY, LCHAX3, OHIO Inalre Out Ideally tills operation Is carried out isecliaaically in a :orally enclosed ventilated hood in vhich cas the operator has no exposure This ideal situation Is rarely entirely practical fro an operating standpoint, since# Generally# residual sand must be knocked off from the castings by band.