Joseph Lead Co.

Lead Industries Association requested permission from me and also from the publisher to have the chapter on lead reprinted.

January 29, 197% SUBJECT I THE LEAD MATRIX YIARLT REPORTS TO: MEMBERS CT THE LEAD DOU8TKIES ASSOCIATION, HC.

Kehoe told me that his work on the ingestion of lead revealed a steady rate of increase in blood levels with increases in ingested lead.

I always like to have a sample of urine of the type indicated in our instructions, for the reason that it gives information as to the functional performance of the kidneys (which, at times, is of great significance), and also because the rate of the renal excretion of lead is indicative of the recent severity of the exposure of the individual to lead, as opposed to the extent of the absorption oi lead over a prolonged period of time, which is represented more satisfactorily by the concentration of lead in the blood.

Kehoe told me that his work on the ingestion of lead revealed a steady rate of increase in blood levels with increases in ingested lead.

Kehoe told me that his work on the ingestion of lead revealed a steady rate of increase in blood levels with increases in ingested lead.

you also see a generally high level of daily exposure to lead.

Joseph Lead Co.

All payments are to be made at the office of National Lead Company, 1776 Columbus Road, Cleveland, Ohio, or at any other address hereafter designated by said National Lead Company.

Bassett Dixie Lead Co.

Joseph Lead Co.

President, Lead Industries Association, Inc.

Lead Investigation Dear Dr.

Lead uses are being promoted in such diverse fields as architectural, including calking lead and sound insulation, lead sheathed cable, industrialtype lead acid storage batteries, paint pigments, ceramics, solder and terne metal.