I refer here to the problem of cleaning storage tanks that have contained leaded gasoline.

Leaded gasoline is handled at least four times from its manu facture* to~its ultimate consumption.

____ j i j 0 , 0 3 <[ Table 12 Distribution of Y/orkmen Employed In Mixing Tetraethyl Lead with Gasoline ' ' I According to Milligrams of Lead per Liter of Urine . " (f ____ Milligrams of Lead Per Liter of Urine J f i s 27 \ 19.2 9 ........... 1931.............

No data have been published on the nature of exhausted lead compounds since the 1926-1930 reports of the U.S.

Ethyl Fluid is the concentrated, commercial fluid containing tetra-ethyl lead and other ingredients;'which is to be added to gasoline to make ethyl gasoline.

01 400 Table 12 Distribution of Workmen Employed in Mixing Tetraethyl Lead with Gasoline / jAccording to Milligram* of Lead per Liter of Urine Milligram* of Lead Per Liter of Urine 192?

Kehoe 1926.

Fourth, several thousand persons have been engaged in.the manufacture of tetraethyl lead since 1923, the numbers having grown more or less steadily 3ince 1926.

Ethyl Fluid is the concentrated, commercial fluid containing tetra-ethyl lead and other ingredients;'which is to be added to gasoline to make ethyl gasoline.

In the course of our field examinations we have not found any other largo number of cases of dermatitis or skin irritation in the cases of handlers of gasoline, other than a considerable dryness of the skip which is u s ually confined to the hands and wrists* It will be a matter of some Importance If the present gasolines which differ somewhat from the gasolines In use prior to 1926-27 by reason of the:cracked!

For years -- from 1926 to 1959 -- the maximum amount of TEL. for automobile gasolines was held at a level of three cubic centimoters a gallon -- or about 1/10 of an ounce to a 128-ounce gallon.

Tetraethyl lead has long been accepted generally as a valuable additive to gasoline for use in automotive and aeronautical gasoline, and satisfactory means have been found for the control of all of the occupational aasuras that have boon associated with its production, its transportation, ana its addition. to gasoline.

This record is not bad, considering that several million tons of t e l have been manufac tured and distributed since 1926.

I refer here to the problem of cleaning storage tanks that have contained leaded gasoline.

I refer here to the problem of cleaning storage tanks that have contained leaded gasoline.