Actually as you probably realize, the only importance of setting such a level is to make sure that there is not available a gross quantity of tetraethyl lead to contaminate the equipment and clothing and perhaps the skin of the individual worker. .

Castleman File: American Petroleum Institute w/c = with cover letter or memo If DATE = 0, undated CD-ROM Document #:API iQQ DATE / published article from trade journal published advertisements newspaper article published government report government inspection results unpublished or internal report unpublished presentation from conference letter memorandum industry warning labels industry sales literature industry recommended practices meeting minutes (with attachments) membership list BC notes ANY WAY YOU MEASURE" MAY 19 1955 '.kSITV OF CALIFOR c ..

FILE NAME: Oil Industry and American Petroleum Institute (API) DATE: 1955 May DOC#: API 109 DOCUMENT DESCRIPTION: Trade Journal Article - Industrial Hygiene in the Petroleum Industry s* .

It appears to us that vapor phase cracking and other general methods produce .much more irritating substances than these which occur naturally in petroleum* Huts gasoline is quit variable in'its irritating qualities* Ttmm irritating effects have nothing to do with whether or not tetraethyl lead or Ethyl Fluid a present in the ipaoline* The irritating effeefe depends upon the nature of the gasoline base* As a praetioa^ungestlon it would seem to me advisable to keep Mr* f0KKKkI out of contact with gasoline until M s skin las entirely cleared up* Bland ointments will usually bring bout great improvement unless there is considerable secondary Infection* where such infection 1 presort: and of mild charttor# antiseptic ointments usually clear up the Infection* in severe cases wet dressings are sometimes necessary for a few days* -.."

I am sending you, for whatever use it may be to you, a copy of a memorandum prepared some time ago by my associate; Dr> Machle, as a consequence of our experience, in dealing with the problem of tetraethyl lead poisoning.

It was suggested that the various sales department and refinery safety representatives would be interested in a paper concerning the handling and mixing of tetraethyl lead and also some comments concerning the cleaning of sales department tankage which has been used for the storage of Ethyl gasoline. .

ETHYL CORPORATION OP CANADA LIMITED Mmorandum of Meeting with Department of Public Health Edmonton, Alberta Subject: HIGHER TETRAETHYL LEAD CONTENT IN MOTOR FUEL The meeting was held on Wednesday, January 13, i960 at 10:00 A .

KETTERi NG LABORATORY OF APPLI ED PHYSI OLOGY UNI VERSI T Y OF CI N CI N N A T I :F X- V IN AI R MAI L LETTER TO YOU DATED FEBRUARY SECOND OVER MY SI GNATURE CONCERNI NG DAMAGE SUI T AGAI NST STANDARD OI LS COMPANY OF CALI FORNI A BY SEAMAN FOR TETRAETHYL.

I am sending you, for whatever use it may be to you, a copy of a memorandum prepared some time ago by my associate; Dr> Machle, as a consequence of our experience, in dealing with the problem of tetraethyl lead poisoning.

It occurs to me that it might be well to investigate these substances for use in rubber protective equipment in connection with the handling of tetraethyl lead.

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.

I shall be armed with all of the experimental data which we have obtained on all aspects of the tetraethyl lead matters.

Prom my point of view this clears the issue and leaves the figure at 4.5 c.c. of tetraethyl lead per U.

The train leaves at 8:55 A.M. and arrives in Saginaw at 11:52 A.M. '' This morning I contacted the men who are working directly with tetraethyl lead with the purpose of correct ing as far as possible the gross errors in handling so that you can devote your short time here to the less evident' hazards.; In checking through our work on the chlorphenols I find that vie have run some toxicities .studies on intra venous injections.

Prom my point of view this clears the issue and leaves the figure at 4.5 c.c. of tetraethyl lead per U.