Obviously, you ccuid get the handlers of gasoline to testify that they have no knowledge of any such thing as any special toxicity imparted to gasoline through the addition cf this small quantity of tetraethyl lead.

Kehoe: Members of our staff have discussed the proposed substitution of tetramethyl lead (TML) for tetraethyl lead (TEL) in certain gasolines to be marketed by a major petroleum company.

jr-.L '' 0*10 c.c. of pure lead tetraethyl applied to previously clipped skin of belly$ Given 16 such treatment from August 20 to November 25.

. :: Our Mamifac taring Department idols rather strongly that Tetraethyl Lead shipped for purposes such as these should be colored with an oil soluble dye in sufficient quantity give the liquid a characteristic saada.

Centlemen: ' Kay I have all available information concerning the toxicity of tetraethyl lead gasoline.

.-2 a~; VS C Data Sheet 9 References MCA Data Sheet AlHA AM Hygienic fiu/Jefm Cutde\ 1,1,2,2,-Tetrachloroethane nonflammable 31 D 8.3 5,3.2 4 D SO 34 C 9 Tetrachloroethj lcnc Tetraethyl lead Tetrahjdrofuran - nonflammable 31 W 4,7 3,2 3 O 185* - O 3,1,8 5,3,1 6 - 3 2 3 62 118 40 0-1,3 1.2,3 4 D 2 3 1 SD 24 C-ll 12-65 8-63 6-59 Tetr&hn 160 08 50 24 (212 F) (212 F) O 3,1 3,2,1 3 D 1 2 0 Tetramethyl lead 100* - D-3,1,8 5.3.1 6 - 3 3 3 Titanium dust 0 045 oz/cu ft - C-6 3 1A 485 C-75 6-59 Toluene 40 12 71 31 W-1,4,7 1,2,3 4 C 2 3 0 204 SD 63 C-77 6-57 Toluidine Trichloroethylene Trinitrotoluene 185 - O 3.8 3,2.5 4 B 3 2 0 SO 82 99* 12 51 90> 36 (practically nonflammable) W 4,7 3.2 - D -- 389 SD 14 C 8 2-64 - D-1,3.8 5,1,3 5 - 2 4 4 314 10-64 $ Under special conditions See details in previous chapter

In connection with their investigation of the relation of tetraethyl lead to lubricating oil performance, the Laboratories have done a certain amount of work in which tetraethyllead was added directly to the lubricating oil.

We have wanted to show our students a sample of tetraethyl lead, but so far I have been completely unable to pry a sample loose from the Corporations local representative.

With reference to your recent article in the B.M.J. 0n Tetraethyl lead poisoning I think this patient is your number 3 and 1 thought you would like to know about. him for contrary to your general experience of these patients he does not seem to have made a complete recovery.

Vomiting,-usually results, and for this reason damage . . to the small intestine is usually avoided* however, Ingestion of gasoline even with water results In a severe,-toxic enteritis* These things all occur with ordinary gasoline and the picture Is-in wise influenced by the presence of the minute amounts of tetraethyl lead that occur in commercial gasolines.

Tetraethyl lead, the principal antiknock compound in use, has been one of the most comprehensively studied of industrial products, from the standpoint of public health, in the last 35 years.

Wash with water.- V- Location How to Recognize Precautions In Case of Trouble TETRAETHYL LEAD] gssoline PoUooc us tetraethyl lead clings to .rust on Inside of tanks.

The results reported here, therefore, provide no clue whatever, to the severity of the exposure of these men to tetraethyllead. moreover, these samples of blood could not be expected to yield any useful information on microscopic examination since there are no hematological abnormal1ties in association with tetraethyl lead poisoning.

"The Toxicity of Tetraethyl Lead" by Dr.

As you know, ao^ra's report indicates that atensing cannot As considered aa a rf of recnvin : tetraethyl lead or its dee-opposition products.