b i)U:) \5>C*>v*-***&*- I--J(-i'/i l.J.SO r .J; October 11, 19^7 Mr.

June 1, 1881 .Mr.

-C -< > / V

Jims 7 15S39 Captain E, L Bergquist Station Hosptialj, Air Corps Advanced Plying 'cliool, Kelly field, Texas* Dear Captain Bergquistj I have your letter of June 3rd mid will endeavor `to answer your questions to the best of z t j ability, 1 ETHYL FLUID contains tetraethyl lead and aa organic iialxd (in the avaition fluid tit halid is thyXensdibroisi&* and the propcsrtion of tetraethyl lead to othylss0 -*ait.roaid is that theoretically required for complete Gosbinatlom to fora lead bromid)* in the ocaabustiaa* it is boliaved that the tetraethyl lead turns to lead oxide and the halids to acid* these tssr then combining to form lead halid*, This material is largely volatil-. ized opt of the cylinder itssif and is partially deposited in the exhaust system and partially 'blows ant with the exhaust gases - 2 There is no evident?

May 1.5, 1567 Seymour Calvert, Ph.D.

Childhood Lead Poisoning Lead poisoning is epidemic in the ghettos of our cities.

?

ETHYL GASOLINE CORPORATION CHRYSLER BUILDING New York, April 10, 194-0 Circular Letter No.

S a f e t y Committe e m e n OASOLIHE CJOKFCB..'.?!

COTii i (a& t i rajL March 2 2 ,1 9 4 0 hriX* tX9 <A# VOCi t><3l i o .

March 27, l ^ l MEMORANDUM ON PAN AMERICAN CASES, MIAMI Advice obtained from Oscar Lewis and George Rossert indicates that ten or more men employed at the Pan American Airways repair shop at Miami have been complaining of symptoms for the past two months, particularly when working on gasoline tanks removed from planes.

Co p y t o D r .

W.

,February 24 194$ Dr.

February 16, 19^0 Mr.