Lead Industries Association,'Tna 292 Madison Avenue New York, N.

In my opinion, it is improbable that his lead absorption had any important relationship to his terminal Illness.

Elder: I send xny check, together with the carbon of the invoice, for the copies of the report on "Methods for Detexmiining Lead in Air and Biological Materials" and I appreciate the special price made to me In view of your comments on the report "Occupational Lead Exposure and Lead Poisoning", I am requesting you to send me an additional fifty (50) copies of it, and to bill me for them.

In lead analysis I do not believe that anything short of high accuracy is useful since it is impracticable to have a method which is sensitive# let us say to .25 or *5; of a milligram of lead.

Kehoe: ' Thank you very much for your letter of March 28, and for the various reprints on lead and the hook of the Harden Lectures, i960 on "The Metabolism of Lead in Man in Health and Disease," which arrived a week later.

National Lead & OilCo. of Pa., 31<5 Fourth Ave.

Joseph Lead Company 250 Park Avenue New York, N.

Provide a Bureau of Mines approved respirator to be worn by the operator of the vacuum apparatus loading the lead into the bin. 6.

National Lead U. i. .

You will be monitored for lead exposure

Drv White Lead.

The lead concentration pf another 5 of the blood samples are at the very upper limit above which symptoms may occur, and the lead concentration in the remaining 6 are within a "safe" area but, none the less, as a group would suggest increased lead absorption.

Behrman, to be suffering from lead poisoning.

Evans Lead Co.

8, contracts were '..executed by your conpar.y end ours under which we have beer supplying, since thet date, your r*fvilreni<*nts of Barir Lead Cnrbonnte - Dry, Beale Lead Carbonate - Crlr.drTs' , and Shite Lead-ln-011.