In thesepases, the lead findings in the blood and urine remained high over prolonged periods, but recovery occurred when the analytical results approached normal values.

Treated with 0.75 c.c. lead tetraethyl on skin of belly.

Sinclair gasolin^, containing tetra-ethyl lead.

If I were to be critical of these conclusions now, I would say that my experi ence since that time does not lead me to believe that the degenerative process in the spinal cord was the result of lead intoxication.

They then switched to a produc tion batch using no lead, thinking that the moisture was a function of the lead, and the problem went away.

LEAD INDUSTRIES ASSOCIATION 60 East 42nd Street New York 17, N.

DUTCH BOY 7-LEAD NATIONAL Ltil!

Very little California wine is sealed with the so-called lead cap sules.

Dutch Boy White-Lead paint can be readily tinted.

It ia believed that i t would also bo proper to advise health o ffic e r s o f tbs proposed use o f lead te tr a ethyl and suggest the a d v isa b ility of careful watch being kept for aanifestations of lead poisoning.

Double dis tilled water leached no lead.

Roade * 85yjrjjtt Mmi mA - - - curia Oh i NIW CO L non o il OASOLlINE was.o*ir ofia AIMITE EEAD SURITITACTJES t Why ia White Lead paint tiizstaniaari paint-of the United States Government?

Do not run hoses and welding leads through doorways.

It is my feeling that no stone should be left unturned In attempting to arrive at a diagnosis* and although it is apparent that there should be no positive findings with respect to abnormal lead excretion at this time* I feel that w e s h m ^ a make every effort to determine Just what present statue is with-respect to lead desorption and lead excretion* I am quite confident that yon realize the difficulty of obtaining accurate data of this kind* and for that reason and also because X am very much interested in the study of cases of this sort* I am very anxious to obtain samples of the blood and excreta of and also to see blood smears which will enable us to determine what* if any* evidences of anemia or irritation are present at this time* X dare say you x*lll have the hospital for a time and during that time x^HoiRippreciae it very much if you would obtain for rae samples of his blood and samples of his urine and feces for chemical examination.

May contain lead compound.