Corporation expressed no objection to the use o 4.5 cc. tetraethyl lead ner XT.i !.

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.

If the work with tetraethyl lead assumes larger scope* I do not believe that this hood would be adequate.

Thus, beyond question this material is essentially commercial tetraethyl lead.

Thus, beyond question this material is essentially commercial tetraethyl lead.

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.

II am sending you two reprints on the subject of tetraethyl lead poisoning, which will convey most of the information which is available.

Hot infrequently the diagnosis of tetraethyl lead poisoning has been missed, and also the reverse has occurred in a number of instances, and we have been put to a great deal of trouble.

Not infrequently the diagnosis of tetraethyl lead poisoning has been missed, and also the reverse has occurred, in a number of instances, and we have been put to a great deal of trouble.

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.

Tetraethyl lead does not have reproductive effects.

At Dayton, with the reduction of exposure to tetraethyl load, and with tM greatly decreased rate of- absorption of lead, there has bees-a change -in the clinical' picture of .

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.