DUTCH BOY WHITE-LEAD v 1

Ray- Address: //Miami Address: Miami Subject: Medical Study, Tetra-ethyl Lead Date: January 3, 1950 Sometime in the very near future our Medical Department, working with the Kettering Laboratory of Cincinnati, will make a complete study of certain mechanical personnel for possible lead contamination.

Pittsburgh, National lead it Oil Co. of Pk^3l6Fourth Avenue .

This lead fume would be used as a raw material in the manufacture of 35 leaded tine for resale.

91-6731 0.56% lead on oolidai and 67-779 * 23.53% lead on solid*) this* arc in ran use.

As lead combines with sulfhydryl groups it is possible that the presence of undue con centrtiors of lead in the tissues might result .in at least a partial inactivation of this enzyme.

Pittsburgh, National lead Sc Oil Co. of Pa., 316 Fourth Avenue ' v Philadelphia, John T.

Evans Lead Co.

Chronic exposure to lead, especially in the form of lead arsenate, is likely to cause chronic fibrosing and degenerative processes in the liver; as arsenic and lead exert a hepatotoxic effect.

What ever may happen in the vicinity of am individual which leads to lead exposure will be demonstrated in terms of lead absorption.

And use "Dutch Boy Painter" white lead and genuine linseed oil.

Assuming that a tube of tooth paste contains about 75 grama of material with a concentration of 200 p.p.m. of lead, and as suming that one uses about 2 grams of the tooth paste per day, the amount of lead taken into the mouth woula be 0.iq. milli grams of lead, assuming further that a tenth of the quantity might remain on the mucous membranes or be swallowed, the amount available for absorption would be Q.Oij. mg.

Eagle-Picher Lead Company Hecla Mining Company Metals Refining Company National Lead Company Reynolds Metals Company St.

We are working on a story about the GAO study on lead testing in schools.

She now makes this solution; of lead acetate up to a known volume.