LEAD - ZINC ASSESSMENTS FOR 1966 LEAD ILZRO LIA Refined Production . 12,987 tons @ 60.5d/ton Mine Production 3,189 tons @ 18.4<:/ton $ 586.77 Refined Production 12,987 tons ( 4.6<?

DUNCAN CANADA CEMENT BUILDING MONTREAL 2, CANADA CABLE "INVENTION MONTREAL" TELEPHONE: UN. t-1597 Jan. 11th, 1966* National Lead Company, 111 Broadway, New York, N.Y. 10006, U.S.A.

National Lead Co.

Depleted uranium is 65% heavier than lead.

Specifically, we are interested in the toxicity of lead chromate, sulfate, carbonate, lead oxide, and their mixed salts.

A product of National Lead Company.

From National Lead.

The lead is 1-2 units lighter in color than competitive lead naphthanates, and the manganese is very much lighter, being as pale as some competitive lead driers.

Study of this problem was suggested because of a number of reports of cases of lead poisoning in children as a result of swallowing dried lead paint, chewed off from various surfaces to which the child had access.

The measurement of the rate of excretion of lead in the urine, or, better, the determination of the concentration of lead in the blood, is based upon a different principle - namely, that of keeping the exposed individual or group below the level of absorption (of lead) that is capable of causing even incipient illness.

ana'-rn LIA14307 * -- LEAD INDUSTRIES ASSOCIATION, INC.

The three cities, Los Angeles, Philadelphia and Cincinnati are the sites of a co-ordinated investigation of lead in the air and lead in people. 4.

Tbs inference oust be isade that tharo Is absorption and partial ctorega of lead in the bones.

The three cities, Los Angeles, Philadelphia and Cincinnati are the sites of a co-ordinated investigation of lead in the air and lead in people. 4.

Haaaood Lead Product*, Inc.