II am sending you two reprints on the subject of tetraethyl lead poisoning, which will convey most of the information which is available.

DUTCH BOY WHITE-LEAD at an\ .Via.

Any provincial limitations on lead would be an item which concerns the individual refiner and the province in question.

This burner was tested by the Army Medical Corps at the Walter Heed Hospital in January of this year* A copy of their report is enclosed* There are obvious questions raised by the re port* One of these is that only about 0.73 co. of tatmethyl lead was found in the Ethyl gasoline* I do not know of any Ethyl gasoline carrying as little lead as this* The other is the apparent assumpt ion that all of the combustion products wore analysed* h. rough calculation on my part would indicate that about 200' cubic feet of air is necessary to burn one pound of gasoline and, therefore, the estimates given in the report of the percentage of lead removed are in error.

These are m>l surfaces painted with today's paint of low lead coni cut blit arc preWorld War II paints of high lead con tent.

National Lead Company H.M.4 NATIONAL LEAD COMPANY New York, 111 Broadway Boston. 800 Albany St.

If the men actually had a severe exposure* these symptoms will continue untilmost of the absorbed lead has been excreted, and until the lead concentration in the blood and urine returns substantially to normal.

DUTCH BOY WHITE-LEAD NATIONAL LEAD COMPANY' ^Tll Broalway NeViYork; !

We have known eases of mild lead poisoning to be confused with intracranial and cord tumors.

. / U-f v VS' * tv.j v-' | , LEAD INDUSTRIES ASSOCIATION 4 2 0 LEXINGTON AVENUE N EW YORK 17, N .

NATIONAL LEAD COMPANY New York, 111 Broadway .

Urine lead concentrations ex ceeding 0.15 mg/liter are usually indicative of excessive lead exposure.

Sam Convery National Lead Company 111 Broadway New York City, N.

atiout;6i^ gallons of purewhite-lead paint which vfwiJJ.

NATIONAL LEAD COMPANY New York.