It is entirely possible that the casualties reported in association with the cleaning of rail tank-wagons resulted from undue exposure to tetraethyl lead.

gar,' ons up to the present have indicated that lead concentreticar up to snc. including 6 c.c. tetraethyl lead per American, gallon, are not dangerous.

Tetraethyl lead process flow, reaction and material requirements... 15 Tables 1.

The committee suggested that the Public Health Service "in collaboration with the manufacturers of tetraethyl lead....and other appropriate organisations conduct studies to provide more definitive data on levels and trends of atmospheric lead contamination in selected urban areas and of the body burden of lead of selected population groups."

He was a refinery laborer who with several other laborers was detailed to help clean a tank which had been used for the storage of leaded gasoline.- We have previously called attention to the fact that the cleaning of these tanks involves lead exposure in that over a period of months or years variable quantities of decomposition products of the tetraethyl lead in the gasoline settle to the bottom of the tank* or adhere to the sides along with rust and. scale.

Kehoe,(^) we conclude that tetramethyl lead and tetraethyl lead (TEL) are no different from the standpoint of their possible effects on the' public health.

He was a refinery laborer who with several other laborers was detailed to help clean a tank which had been used for the storage of leaded gasoline.- We have previously called attention to the fact that the cleaning of these tanks involves lead exposure in that over a period of months or years variable quantities of decomposition products of the tetraethyl lead in the gasoline settle to the bottom of th tank* or adhere to the sides along with rust and. scale.

Is that the mask might be flooded and might, therefore, become quite inactive in taking tetraethyl lead out of the air.

Kettering Laboratory University of Cincinnati Eden and Bethesda Avenues Cincinnati 19, Ohio Dear Bob: Thanks mightily for your comment on the tetraethyl lead manuscript.

The thing we have been most fearful of, in dealing with situations In which men might be exposed to high concentrations of tetraethyl lead, particularly in association with gasoline vapors, Is that the mask might be flooded and might, therefore, become quite inactive in taking tetraethyl lead out of the air.

Gasoline contain ing the maximum allowable aasount of tetraethyl lead was applied daily to the skin of laboratory, animals.,.

Gasoline contain- 7 ing the^saiEikum allowable amount of tetraethyl lead was applied daily to ithaskinso f ^laboratory animals.,.

The tetraethyl lead (TEL) is added to gasolene at an approximate concentration of 2.5-3 ml TEL per gallon of gasolene.

Attorney General: Reference is made to your letter of November 12, 1936, requesting information vdth regard to the health regulations governing the sale of gasoline containing tetraethyl lead.

Attorney General: Reference is made to your letter of November 12, 1936, requesting information vdth regard to the health regulations governing the sale of gasoline containing tetraethyl lead.