Under |the condition which you have described, tetraethyl lead poisoning is hardly possible.

practical Experience* that the : old method of "gssblirie :washing*tetraethyl; lead drums by no means, completely enables all the tetraethyl lead to be blended - with the storage gasoline- In fact the great proportion of , our returned drums that have been gasoline-washed showsthat there is a considerable quantity (of tetraethyl lead left in - the wash, amounting sometimes to:-tip to>100: c.e* or more of . pure anti-knock compound. .

Porterfields Thank you for your letter of August 21, 1959 and the enclosed report of the Ad Hoc Committee on Tetraethyl Lead, .

Gloves were changed when the odor of tetraethyl lead became noticeable.

You will note that the steam-distillable lead (which is that portion of the lead which was present as tetraethyl lead or asorganic decomposition products of tetraethyl lead) was present ' only in a minute t r a c e .

Doyles Subject: Domestic TEL Use - 1959 In accordance with the recommendations of Public Health Service Publication fT12, entitled ''Public Health Aspects of Increasing Tetraethyl Lead Content in Motor Fuel," the Ethyl Corporation herewith reports the following Information with respect to domestic tetraethyl lead use during the calendar year 1959: 1.

Considering the modesty of your request for tetraethyl lead, I should be disposed to ask the proper people in the Detroit Laboratories of Ethyl Corporation to send it to you.

D. 1504 East Clark Street - Telephone 488 CHARLES CITY, IOWA September 12,6 Standard Oil Company of Indiana Gentlemen, I need a small amount of Tetraethyl lead for some work I want to conductas user of Standard of Ind. for years I want to find out if I can get it from you or have to contact the Ethyl Corporation of America.

Following 'receipt of this report Ethyl Corpora tion has notified its domestic customers that they may use con centrations of tetraethyl lead in motor fuel up to four cubic centimeters per gallon if they so desire.

Public Health Service Bulletin #712 "Public Health Aspects of Increasing Tetraethyl Lead Content in Motor Fuel" had been sent in advance to Dr.

In connection with the exposure of this man, it is pertinent to inquire whether or not he has been handling gasolines which have contained more than the commercial amounts of tetraethyl lead* There was a time when gasoline containing up to 6 ccs* of tetraethyl lead per gallon was being used at Wright Field It was particularly because of thi3 fact that we Instituted and maintained for a time periodic examination of the men who wore engaged in work which involved some degree of contact with such gasoline* Very truly yours, RAK:is Robert A.

You will note that the steam-distillable lead (which is that portion of the lead which was present as tetraethyl lead or asorganic decomposition products of tetraethyl lead) was present ' only in a minute trace.

The problem with which you are presented will not be met by any information which is available on tetraethyl lead, and therefore I amnot sending reprints relating to the toxicity of tetraethyl lead or to the clinical and toxicological description of tetraethyl lead poisoning.

The problem with which you are presented will not be met by any information which is available on tetraethyl lead, and therefore I am not sending reprints relating to the toxicity of tetraethyl lead or to the clinical and toxicological description of tetraethyl lead poisoning.

^s.i>--v>--`raent and maintenance of safe conditions for the manufacture and use of tetraethyl lead.