Komestake Lead Co. of Missouri Dresser Minerals Div.

In view of the experience with tetra ethyl lead which Mr.

(d) The percent of lead is determined as lead metal (Pb) based on the total solids of the paint.

S*fa first of these - lead poisoning should b completely eliminated on the ground that there is no evidence of a suggestive exposure to lead compounds, there is no evidence that lead absorption ocourod and moreover, the cl'nical findings wore not in any way characteristic of lead poisoning* The only suggestive evidence of lead absorption consists in the fact that on of the physicians stated that he observed a lead line on the gums* This lead line was apparently fleeting and it occurred at a time when on Sould have expec ted some degree of congestion of the g ^ margin* It is my experience that the bluish appearance of the gums is often present and that sometimes it is quit difficult through the us of ordinary technique, to differentiate the blueness of congestion ahd the blueness of 'lad Xihe* In fact, unless one compresses the gum and looks with a hand lens and establishes the fact that the blue* ness is punctate in character, one is not certain whether or not a lead line actually exists* It has been said that a lead analysis of the urine at the tira of the symptoms , failed to demonstrate the presence of lend* Such evidence I an sorry to say is of little consequence sinoe the volume to find amounts of lead which arc normally present in the urine indicates that the technique of the examination was faulty, or that the quantity of the sample examined was . inadequate* Nevertheless, in view of the clinical and experimental .evidence...which is available, I think we shall have to conclude that lead poisoning is the most unlikely interpretation of this man*a Illness* i:. : .

CONTAINS LEAD .

The physiologic background of this problem has been vorked out adequately only in the case of lead, it can'properly be said that the dosage of lead taken in per day over a period of a fev months must not exceed'something of the order of magnitude of onemilligram.

MEMBERS OF LEAD INDUSTRIES ASSOCIATION, INC MARCH, 1982 Allied Lead, Inc. 820 West 120th Street Chicago, Illinois 60643 Alpha Metals, Inc. 600 Route 440 Jersey City, New Jersey 07304 Amax Lead & Zinc, Inc.

lit lead sulphite.

Joseph Lead Company was heartily in approval of the campaign proposed.

-over, absorb acre lead, t?

I have a suspicion that bs is fooling around with either a lead plant or tetraethyl lead in some fashion, as this level of excretion indicates recent severe exposure.

Lead poisoning results from continued ingestion of lecd.

From the standpoint of public health, the principal considerations of lead as a possible health hazard concern (a) the amounts of lead to which the public is exposed, (b) the normal metabolism of lead insidethe human body, and (c) whether there is any progressive accumulation of lead in the body over a period of many years.

It is hard for me to believe that the baby could get suggifient lead from the mother's milk without the mother having marked evidence of lead absorption.

Artgchmcnr No. ) REGULATIONS FOR LEAD POISONING PREVENTION PROGRAM -- THE COMMONWEALTH OF MASSACHUSETTS NOTE.