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.

The practice is soaking the work clothes of the men who work in tetraethyl lead in kerosene before sending them to the laundry.

If you will forward us one of your respirators and smoke masks with cartridges for organic vapors^for lead tetraethyl, we will be pleased to examine them and answer the inquiries that now are pending.

' 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.

Wo have had several requests for approval of your chemical cartridge respirator and fume and smoke mask for use in working in atmosphere contain ing lead tetraothyl* In looking over your folder describing these masks, we find no reference to the types of cartridges available or to the cartridge which you recommend for use in organic vapors* If you will forward us one of your respirators and smoke masks with cartridges for organic vapors^for lead tetraethyl, we will be pleased to examine them and answer the Inquiries that now are pending.

Separately mix 85 parts by volume of methanol with enough tetra ethyl lead fluid to give 3.53 cc of tetraethyl lead per gallon of pure methanol. 4.

Separately mix 85 parts by volume of methanol with enough tetra ethyl lead fluid to give 3.53 cc of tetraethyl lead per gallon of pure methanol. 4.

Fatal Tetraethyl Lead Intoxication Brain 0.61 0.46 0*56 0.46 1.08 I.65 0.85 Liver 1.71 3.02 2.40 2.90 2.54 2.00 2.40 Kidney 0.97 0.97 0.84 0.76 0.64 1.31 Flat Bone 0.99 2.50 0.91 Long Bone 2.95 2.62 1.12 Fatal Inorganic Lead Intoxication J.G.

I mistakenly assumed from a hurried glance at the ac companying letter from the Hew York office that you had already been given UK inswer Th to let you know that the records of the Ethy1l Corporation Indicate that this grade of Sinclair gasoline in the area near Syracuse during the past year con tained quantities of tetraethyl lead that varied between .92 and 2.0 c.c. per gallon.

Fatal Tetraethyl Lead Intoxication Brain 0.61 0.46 0*56 0.46 1.08 I.65 0.85 Liver 1.71 3.02 2.40 2.90 2.54 2.00 2.40 Kidney 0.97 0.97 0.84 0.76 0.64 1.31 Flat Bone 0.99 2.50 0.91 Long Bone 2.95 2.62 1.12 Fatal Inorganic Lead Intoxication J.G.

August 7 1937 Dr* 0* IU Weaver Duval County Hospital iTaoksonvillo Florida Dear Doctor Weavert I bare just beard by a somewhat circuitous route that yon have seen a case which you believe to be lead poisoning In a man oho is said to h&ve washed a truck (presumably with leaded gasoline}* The pat lent 3 nase was Over a period of some years* my associates and I have been studying the problem of lead absorption In relation to leaded gasoline* and we have investigated directly or indirectly all eases of alleged lead poisoning that have been reported to us throng various channels* I might say* parenthetically*, that we have been unable to find any oases of poloonlog or any evidence which would lead us to believe that load poisoning la possible as a consequence of contact* even over long periods of time* with gasoline containing tetraethyl lead* However wo are still on the lookout for such oases* and,.

I have also had direct knowledge of six or seven deaths from acute organic lead poisoning in connection with the cleaning of storage tanks heavily contaminated with tetraethyl lead or its decomposition products.

Tetraethyl lead alone or dissolved in gasoline slowly decomposes to yield crystalline triethyl lead compounds.