Kehoe ' Laboratory of Applied'Physiology University of Cincinnati Eden Avenue Cincinnati, Ohio Dear Dr- Kehoe: This r/ill acknowledge receipt of your letter of July 25, 194-0, in which you ask for a date which is mutually convenient to discuss certain matters per taining to tetraethyl lead.

: City for some years and that he had done some of the autopsy and subsequent investigations in connection with the Bayway poisoning* I have no knowledgeoJMaovMpr* Korrls and Gattlor obtained information about the ^flH|H|case* However, ny best guess is that something in tnn^srtuatlon load them to believe that this case was similar to the Bayway poisoning and that they might find tetraethyl lead in the tissues as they did in certain of the Bayway cases* I have no reason to believe that either of those gentlemen is other than an able and honest Investigator* Consequently, I do not believe that you need to have any fear of their findings in this case* I have not heard from Dr.

/ S^'\ W" >') ' We have already received the two sm&ll cans\ of tetraethyl lead and have proceeded with our experi ments.

Leake, surgeon in charge of the office of Tetraethyl Lead Investigation, of the Public Health Service at Washing ton, D.

Taylor addr ess New York subj ec t Changes in the Regulations for the Sale and Distribution of Gasoline Containing Tetraethyl Lead as Approved from Time to Time up to June, 1946 dat e June 11, 1946 In accordance with your letter of May 9, we have checked the draft of your proposed regulations.

This is the reason for my lack of opportunity to communicate with you prior to the meeting of the Committee. ) There are certain aspects of the use of tetraethyl lead, strategically, that are of considerable commercial and competitive importance, Not only would it be undesirable, from Ethyl's viewpoint (and I have no doubt that the same attitude applies to du Pont), to diecuns these matters fully with your Committee in the presence c du Pont representatives, but such a performance would probably be criticised justifiably by the Department of Justice if it were to be known, i strongly urge upon you, therefore, that this matter be dealt with openly by your group and the Committee, and that it be made clear to all concerned that the Committee is meeting with the representatives of the industry jointly, for purposes of mutual understanding, but also, fox the sake of being fully informed on matters that may be.of competitive significance, it will meet the two groups separately.

Dear Doctor Kehoe: I thank you very much for putting on paper your thoughts about the classification of tetraethyl lead intoxication cases.

Kehoe, ' I have recently been asked certain questions about the canister masks used by men employed in the open-air transport of sludge containing tetraethyl lead.

Xehoe University of Cincinnati The Kettering Laboratory College of Medicine - Eden Avenue Cincinnati 19, Ohio Dear Bob: Thank you for your good comments on the first part of my memorandum on the value of the Uth milliter of Tetraethyl lead.

Tetraethyl Lead Poisoning. 1925 N17476

(SFA) 32. sulfuric acid (spent)(SAC) 33. tetraethyl lead (TEL) 34. toluene (TOL) 35. undecanol (UND) 36. vinyl acetate (VAN) 37. vinyl chloride (VCM) 38. xylene (XLM, XLO, XLP) 39. zinc chloride (ZCL) Abbreviation assigned by Battelle.

` According to the information I have, their capacity for making tetraethyl lead solution is 360,000 pounds per day.

Stovall's letter to the Public Health Service was written in ignorance of the fact that the use of 4.5 c.c. of tetraethyl lead in aviation gasoline had been approved by the Service years before.

Your letter of April 15th addressed to Mr* Mtttnacht of the Ethyl Gasoline Corporation concerning the examination-of your employees who handle tetraethyl 1ad has been forwarded to me by Mr* Mittnaeht* You, are quite right in your under standing that your tm n re to be examined at intervale of approximately a year or In less time at the dis cretion of the physician who is responsible for the examinations* This Is to inform you that it is not on account of an oversight that you men have not yet been examined* We arrange the work of routine examinations in such a way as to suit, as far as possible, the convenience of the doctor who is in charge of the district in which your refinery is situated* Dr* Sanders has not completed his examinations in his territory, but Is expecting to do so very soon* and will undoubtedly com municate with your refinery shortly in advance of his visit* There was a time when w examined men who were mixing at intervals of three months* Somewhat later the interval was increased to six months by reason of our assuntrice fresa our experience that there was no justification for anxiety concerning the safety of the men# denewhat Inter the interval was Increased to a year but only on the basis of clinical and experimental evidence that the lead exposure associated with mixing operations is negligible so long as the equipment is correct and the precautions are properly carried out* We do not believe that there is any justification for lengthening the in terval of examination and we do not expect to do so* On the other hand we do not regard send slight variation in the length of time as significant so long as we have evidence in our files that the severity of exposure conditions has not been materially changed since the previous visit* Very truly yours, KE 0000488

Some time in the summer of 1929 the claimant as a result of an accident spilled a small amount of ES30 {which contained almost 2 ocs of tetraethyl lead per gallon) over one side of his face and, as he now claims, in his right eye.He had no apparent reaction at the time.