Fitzpatrick 2 1/21/72 of lead polaonlnR, according to 3r.

THe subcommittee just a few months ago let it be known that it con sidered lead additives a serious problem.

Iced, sad ccrtaia apt- carbesata aad lead cbletida a4ltb b chi aSoyt.

Abstt 870 Biliary Excretion of Lead in the Rat.

Also Ethyl Company tests have failed to show lead residuals in this sludge.

Pierrard which presents a less detailed account of our methodology which may help as a preliminary overview; and, a New England Journal of Medicine article which presents the arguments used to ascribe nearly .al'l"of the reported blood lead decline to decline in gasoline lead use.

Moreover, I believe that the most of the variations in their data, with respect to the alleged lead content of serum,are within the limits of the error of their analytical methods* Just to demonstrate what I mean, we are on the point of publishing an article on the lead content of the blood plasma of human beings, under a wide variety of conditions, ranging from normal individuals with no occupational lead exposure to sick individuals following extensive lead exposure.

Bates, Secretary, National Lead Company, 111 Broadway, New York, N.

Suggested Draft of Newa Letter For the past fifteen years the manufacture of lead tetraethyl has not been a source of great concern in relation to public or Industrial health* During that time manufacturing operations have been oarried out in only two states and under effective hygienic control* However* in the past month* as a consequence of attempts to manufacture lead tetraethyl without proper safe guards* the attention of the Public Health Service has been called to this problem* when several oases of poisoning were reported in connection with a plant that had been in continuous operation only two weeks.

The attending physician stated he found stiple blood cells and lead in the urine, and that on May 18, 1942 a chemist examined the blood for lead and found 385 micrograms of lead per 100 mililiters blood and that a chemical examination of the urine, 350 micrograms of lead per liter.

Kehoe: Many thanks for your advice in the question of the lead ointment tubes.

LEAD INDUSTRIES ASSOCIATION 202 MADISON AVENUE NEW YORK 17, N.

I trust you will not have the opportunity of seeing any cases of tetraethyl lead poisoning.

Almost the only means one can think of is the use of a lead nipple shield.

There are four colors in each line which contain more than 1 per cent lead.