the scak suggest that city chidicn now undei way l are alio exposed to a higher kvel neurological and i \. iI * Lead poisoning, once aa oc cupational disease of paMen and a haiwd lo atoomhloa drinkers, la now approaching cptdaak pioportions i lha nation'sghctloi.

The amount of lead that will be absorbed from the alimentary tract of the child is always something of a problem, but it is quite certain that if the child takes in one or more milligrams of lead per day in this manner, he is running some risk of being poisoned.

One finds few cases of lead poisoning today among workers in lead processing and lead-using industries.

One finds few cases of lead poisoning today among workers in lead processing and lead-using industries.

One finds few cases of lead poisoning today among workers in lead processing and lead-using industries.

During 1976 LIA also closely monitored activity within OSHA and closely followed the proceedings of a Congressional hearing on occupational lead poisoning, in which OSHA was involved.

It has also been reported that some cases of lead poisoning have occurred in the Armed Forces.

During 1976 LIA also closely monitored activity within OSHA and closely followed the proceedings of a Congressional hearing on occupational lead poisoning, in which OSHA was involved.

The amount of lead present, therefore, in a given area of film is extremely small.

Nau., M.D., Director Institute of Environmental Health The Uni ve rsity of Oklahoma Medical Center S00 North east Thirteenth Street 0k 1ah oina City, Oklahoma 73104 Dear Dr. .au: In reply to the first query in your letter of December 17, I am enclosing a reprint, "Symposium on Lead," which con siders various aspects of lead poisoning, including a Lrschler on page 109 at the bottom of the page ( o r p a g e !

It would then be up to the claimant to establish adequate proof that his was an unusual case, that he had an unusual exposure and that he did actually absorb significant quantities of lead* On the basis of the record itself, this nan not be proven,since lead analyses fail to show any evidence of abnormal lead ab- sorption# ' . 1 / ^ " '- Despite the above facts this case is apt to be a difficult one.

<> LEAD INDUSTRIES ASSOCIATION.

There is simply no sense in talking about lead poisoning in non-qeantitative terms in relation to the animal organism or man.

Cummings Director School of Medicine and Hospitals University of Colorado 2300 Hast 9th Street Denver, Colorado Dear Doctor Cummings* I shall he very glad to give you my reactions to the usefulness of the basophilic aggregation test as an indicator of lead absorption, I judge from your comments that you are aware of the fact that we have been studying the problem of lead absorption and lead poisoning in a rather detailed fashion over a period of years, i/e have tried to be quite practical as well as scientific In a more or less fundamental sense in our experimental work, and accord ingly we have made it a point to follow the blood changes . quite carefully in relation to lead absorption, as revealed by lead excretion* as well as in relation to lead intoxica tion, Briefly to summarise our conclusions as to the significance of the blood findings, I may say that In our experience there is ho necessary relationship between the degree of changes in the blood and the level of lead ab sorption in the body* By changes in the blood X mean such microscopic evidences as stippling# increase in the number of reticulocytes, etc.

-Wo,..tests''you have a.preference, if any, recognizing of course the limitations ;of any ,hematological/examination of 'this/natures/ In your section on /Industrial Lead'.Poisoning in Volume 11`of Patty's Industrial; Hygiene and,,Toxicology, ryou seem :t6.. leave = the choice "between the two tests somewhat open. - .< I should also'be-veiy' much Interested in your .ideas on/the .possible effects of lead on the central nervous S5rstem, with particular ,referencV.to emotional syndromes such as emotional instability and anxiety-like states.