Under such circumstances we are wondering about the possibility of lead poisoning devel oping.

Dear Sir: I am about to start an investigation of lead tetraethyl and other lead alkyls from a toxicological point of view; we will also be concerned with the physical and chemical properties of these com pounds.

ICehoe, Director, Medical Department, Ethyl Gasoline Corporation, 405 Lexington Avenue, Hew York City Dear Sir: In view of your experience in the blending and mixing of tetraethyl lead we. are taking the liberty of writing to you asking for advice on a problem relating, to. this compound.

Tetraethyl Lead. " The other article is much more extensive, but specific attention should be called to the extreme skin exposure of the men engaged in filling barrels.

fhsrmopolis, in Hot Springs County, Wyoming, while in the employ `of .' toe Town of Thermopolis/ 'Wyomingj' ; that' claim has been rsd&'for compensation on account of suoh injury; that such injury was hot caused by the'"culpable, negligenceof said employee, and that said iV injury is described as follows: The loss of vision of both eyes, resulting in a permanent partial disability to said employee, of 95^;; that said disability in the loss Of the sight of both eyes was the result of the use of tetraethyl leaded gasoline by said 18670 Im THE DISTRICT COURT FOR HOT SPRINGS COUNTY, tfCDMXKG.

Is it possible to differintiate between lead coming from blending with lead tetraethyl and the litharge treatment. #4.

Any information you could give us concern ing the removal of the tetraethyl lead prior to combustion or the removal of the lead compounds formed by combustion and sub sequently deposited in the heat exchanger would be deeply appre ciated.

Any information you could give us concern ing the removal of the tetraethyl lead prior to combustion or the removal of the lead compounds formed by combustion and sub sequently deposited in the heat exchanger would be deeply appre ciated.

Inasmuch asc there x may or may not wish case, but if you can I also bej pleased to ssistance that may be raid be glad to send action of samples of le whether there is Lon at this time- Lnt out to you that the gasoline storage tanks, tetraethyl lead or its - ' picture of such lead .' .ated with the absor-p- you should know that optic nerve, has never ` .....

Lnt out to you that the gasoline storage tanks, tetraethyl lead or its - picture of such lead .ated with the absorpyou should know that optic nerve, has never over 100 cases of lead -he perspnnel in the ----- ----------------- -- ---.Justry since 1926.

fcfcodt Bequired* Seal* fross Sid Plato-s ' standard dll Casspeisty, SI &egado# California {nf* efeamwltv*e letter dated Feferaary 2% l$i*8) March i;> SfttenBlnatlaa etf lead eoopeuiMUi present it&Elit- Per Gent Lead as lead Tetraethyl Per Cent Lead as trletfeyl Lead Per Cent Lead as .Diethyl Lead Salldee Per Cent Lead a hi- ral Trlefcfeyl Lead He1Ides end Oarfeeaafcee Per Cent Lead m Znorgaaio Lead <0,00001 0,0005 0,0017 0,00045 0.225 Reported t 5-^-4$..

I think they will find it useful to employ analytical methods that will differentiate between inor ganic lead compounds and organic, since the lead hazards are likely to be quite different if and when appreciable quantities of tetraethyl lead are available in these materials.

The regulations as set forth in Bulletin No. 163, 1926, and amended June 28, 1946, has as its primary purpose the placement of tetraethyl lead warning labels on pumps distribut ing gasoline for publio consumption.

Genti eraen: Please let us have your quotation on one 50 gallon druat of tetraethyl lead Anti-Knock Fluid, Very truly yours, COMMERCIAL SOLVENTS CORPORATION s/ * Convenes1 CEO:sbw 0020599

Gentleraen: Please let us have your quotation on one 50 gallon drua of tetraethyl lead Anti-Knock Fluid, Very truly your3, COMMERCIAL s o l v e n t s c o r p o r a t io n 3/ Guiveneel ''.'