In nddition to the Chicago legislation, the Food and Drug Administration has published a Federal regulation requiring ,57. for a lead content as of January 1, 1973 and .06% lead content, all products, January 1, 1974.

Lead Industries Association, Inc. 292 Madison Avenue New York, N.

The well-doeuwanted eases involve inaastion of paint produced prior to World Mar SZ when eha asjor plgaonts used la foraulating paint wnra laad coapounda such as idiite lead and lithopono.

Thompson Vltameter Company (re lead exposure) b.

PIG LEAD.

Second, there is a slow and almost imperceptible decomposition of tetraethyl lead in leaded gasoline, but tanks used over a period of time will contain small amounts of these decomposition products in the scale on the sidos and at the bottoia!

Any individual, corporation, association, partnership or other organiza tion admitted to membership which is engaged within the United States in lead mining, smelting and refining, manu facturing or consumption, or which is engaged in one or more of such activities outside the United States and markets lead or lead products within the United States, shall be a member of the Corporation.

Lead is one of the known agents which can produce severe arteriosclerosis and since the cause of death in this case is the result of coronary sclerosis and since lead was found in the tissues in considerable amounts, lead poisoning would be the primary cause of death.

It seems advisable, therefore, that I ooramnicafee with you and give you the benefit of our experience in connection with this work, 'Shis letter will also serve as a confirmation of your appointment of this position* As the t%dical Director of Ethyl Export Corporation, I have been responsible for the approval of the equipment which has been developed for the mixing operations# I have also been responsi ble for regulations which have been concerned with the operation' of mixing equipment and with all other means of dealing with Ethyl Fluid and leaded gasoline# I am also in charge of the medical supervision of all mixing plants# In an entirely separate, capacity, I am director of a laboratory in the University of Cino^nnQti which is engaged in the study of occupational diseases and in this capacity I have directed ranch of the experi mental work which has had to do with th problem of handling Ethyl Fluid and the public health problem of the distribution of leaded gasoline# Accordingly I am sending you information in the form of reprints of a series of published articles which de*l both with the clinical phase of this matter and the experimental * I send you also a memorandum which was prepared for th benefit of consultants of Ethyl Export Corporation, in which th general policies of the Medical Department are set forth# I trust you will find those of interest end value 2 - ^ Briefly, with reference to the dativere of this occuration, it should be said that if the Mixing equipment is constructed properly and operated properly, there will be no danger whatever of lead poison* ing among the workmen* The mixing equipment te simple In design and easy to operate* The regulations are set up for the purpose of avoiding all exposure to lead compounds* Indeed the actual safety of these operations is so great that there has been no case of lead poisoning in connection with this work, nor has there been evidence of measurcable load absorption among the workmen* On might assume from this that there is no great need of medical supervision* This, however.

Lead Industries Association requested permission from me and also from the publisher to have the chapter on lead reprinted.

Lead Industries Association, Inc. 292 Madison Avenue New York, N.

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

It seems advisable, therefore, that I ooramnicafee with you and give you the benefit of our experience in connection with this work, 'Shis letter will also serve as a confirmation of your appointment of this position* As the t%dical Director of Ethyl Export Corporation, I have been responsible for the approval of the equipment which has been developed for the mixing operations# I have also been responsi ble for regulations which have been concerned with the operation' of mixing equipment and with all other means of dealing with Ethyl Fluid and leaded gasoline# I am also in charge of the medical supervision of all mixing plants# In an entirely separate, capacity, I am director of a laboratory in the University of Cino^nnQti which is engaged in the study of occupational diseases and in this capacity I have directed ranch of the experi mental work which has had to do with th problem of handling Ethyl Fluid and the public health problem of the distribution of leaded gasoline# Accordingly I am sending you information in the form of reprints of a series of published articles which de*l both with the clinical phase of this matter and the experimental * I send you also a memorandum which was prepared for th benefit of consultants of Ethyl Export Corporation, in which th general policies of the Medical Department are set forth# I trust you will find those of interest end value 2 - ^ Briefly, with reference to the dativere of this occuration, it should be said that if the Mixing equipment is constructed properly and operated properly, there will be no danger whatever of lead poison* ing among the workmen* The mixing equipment te simple In design and easy to operate* The regulations are set up for the purpose of avoiding all exposure to lead compounds* Indeed the actual safety of these operations is so great that there has been no case of lead poisoning in connection with this work, nor has there been evidence of measurcable load absorption among the workmen* On might assume from this that there is no great need of medical supervision* This, however.

NOTIFY THE LEAD OPERATOR FOR FURTHER INSTRUCTIONS. 6.

I have serious doubts on one point about which you seem certain, mainly that the lead ingested with food and beverages is responsible for the larger proportion of lead found in the blood of persons in groups of a general population.