B UM M i.n i .........ll March 6, 1959 SUBJECTi R5PR1KT OK LEAD To Members of the Lead Industries Association!

Very truly yours, RAK {is Robert it, Kehoe, M,D, ^ 0001436 Comments on a Tentative Outline for a study on Lead I Purpose of the Investigation 1, The expressed purpose is somewhat more ambitious than seems feasible, since It is highly improbable that any one test can prove the responsibility of lead for the production of symptoms it has been shown that extensive lead absorption may, be unpro ductive of symptoms# All one can prove by abnormal lead findings (analytical means) is that lead has been absorbed in such quanti ties as to be a plausible factor in the production of illness# The characteristics of the illness, and the satisfactory elimihation of other etiological factors, constitute the means of proof

The tank which wpa cleaned, and from which this sludge saaple was derived, was the only one at this site which had been used for the direct mixing, of leaded gasoline.

this time there was a sharp fall in urinary lead.

Lead and Oil Paint White is a straight lead and oil composition.

The suggestion was to add iodine to convert the organic lead to inorganic lead before continuing the normal stages of the method.

1 tiM of lead.

1 tiM of lead.

Joseph Lead Co.

Joseph Lead Co.

But for his having been sent to me, the case would certainly have been diagnosed finally, as lead poisoning* and he would have been compensated on that basis.

miaul What mijfct tpreae at aseodrt Dilate mirk acid b n exampk of Lead feamllp hat pod recktrace common eapetaatd ia lead vejfbt loaa a l comasut which tenet] vi-Ji lead to to arvtrul toJaUwu where lead ca> cold he a aonuaal rate la tana!

miaul What mijfct tpreae at aseodrt Dilate mirk acid b n exampk of Lead feamllp hat pod recktrace common eapetaatd ia lead vejfbt loaa a l comasut which tenet] vi-Ji lead to to arvtrul toJaUwu where lead ca> cold he a aonuaal rate la tana!

r It has been estimated that the sage of lead for anti-knoeh is 10^ of the total lead usage. .'

Hopple, to indicate that this man suffered froa lead poisoning.