THOS.

February 28, 1933 Dr, Harold B, Bohlnan 21H-17 Dedicai Arts: Budding Cathedral Street at Bead Baltimore, Maryland1 Dear Doctor Bohlnan I am very glad to reply to your letter of February 2 5 th in regard to possible lead absorption as the result of exposure to exhaust gas in flying* The greater part of the information which I have on thJs subject has not been published in the regular scientific publications * However, I and my associates here have a very considerable amount of work in connection with this problem* Since Dr* Id r u r has riven you the available data on animal experimentation as carried out by the Bureau or` Mines, I shall limit myself to a brief statement of the facts as derived from the observation of persons who have had the severest exposure to exhaust gases from automobiles and also airplanes; which made .use of lead in gasoline a3 fuel.

February X# 1933 Dr.

May 19, 1932 Mr.

December 22 , 1930 Yr.

Kay 21, 1937 Thiokol Corporation Yardville, New Jersey Gentlemen: Vie are interested in the oil-proof glove3 described in one of your recent advertisements, and should like to receive sufficient material to test their permeability to certain solvents and organic compounds of lead with which we are concerned.

jf May 31st, 1932 Mr.

March 13* 1931 Dr* C* M.

May 19, 1932 Mr.

A L L C O M M U N IC A T IO N S TO 8 E AD D R E S S E D T O TH E C O M PAN Y A N D N O T TO IN D IV ID U A L S .

> ft V April 4, 1932 Kr.

November 13, 1930 Mr, E* T, Forman, .

Dr..Kehoe January 9, 1936 professor K. ft.

C O L L IS P.

HA RV A RD U N I V ERSI T Y SCHOOL OF PUBLIC HEALTH d e p a r t me n t o f p h y s io l o g y 55 VAN DYKE STREET BOSTON, MASSACHUSETTS Dr.