We have just received another inquiry about using gasoline containing a small percentage of tetraethyl lead for thinning ordinary asphalt paint.

Each filling station sha^l keep prominently displayed on each pump which delivers motor fuel containing tetraethyl lead, a sign or signs reading as follows: POISON CONTAINS LEAD "TETRAETHYL" and Is to be used as Motor fuel only Not for cleaning or any other use Avoid Spilling.

Corporation expressed no objection to the use o 4.5 cc. tetraethyl lead ner XT.i !.

# The supply f my reprint; of one of our Article on setractby1 load 1 exhausted* t asa sorry because it is the most'nteresting article which we have published on the subject Zt can be found in the American Journal of Hygiene, Vol* 13, p* 1#8 1931 and la entitled "The Behavior of Lead in the Animal Organism XX Tetraethyl Lead" by Kehoe and Thmsann.

August 4, 1936 Dr# M* Townsend DeHott* 645 South Third Street Jhillipaburg Kansas Dear Dr# DeMottei X have your letter f August let and an referring it to our Medical Department with the request that they give you full information on the subject# Meanwhile* although 1 m net a physioian thyself* Z oan express an opinion that it is Impossible for lead poisoning to have teen acquired by breathing fumes of gasoline containing tetraethyl lead sine the vapor pressure of tetraethyl lead is so low that only a negligible quantity is present in the fumes above a bucket of the gasoline.

b/gal. added as 70-45 Lthyl fluid) in a 55 gallon vented* half-filled steel drum produced a decomposition of 3.1; of the original tetraethyl lead with 74,5 of the decomposed tetraethyl lead soluole in the gasoline arid the remaining 2(5;- present in the sludge. 0 . f/ y 25 gas.

You will also recall that some data are in the British Health Report on the absence of tetraethyl lead and the amounts of inorganic lead in lubricating oil* X doubt if we have any data on the use of engines in mines* but I have asked the laboratory to look into the matter* With kindest personal regards, believe me Very tnrly'yours, g e /l r j Graham Edgar

You will also recall that some data are in the British Health Report on the absence of tetraethyl lead and the amounts of inorganic lead in lubricating oil* I doubt if we have any data on the use of engines in mines, but I have asked the laboratory to look into the matter* With kindest personal regards, believe me ge/lrj Kfc 0015426

The lead present in this weight of sludge, as tetraethyl lead, is 1.5 grams based on the 0.006?

Wilsdon ha3 contributed something to the uncertainty by repeated reference tn his questions to the absorption of tetraethyl lead without differentiating between tetraethyl lead itself and tetraethyl lead in dilute solution In gasoline.

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.

At the present time the Willson Company has no cartridge which they will recommend as pro tection against lead tetraethyl vapors.

At the present time the Willson Company has no cartridge which they will recommend as pro tection against lead tetraethyl vapors.

Giroire and others on the medical aspects of the control of the manufacture of tetraethyl lead.

Hunter, however, being familiar with the action of lead; and supported by the blood analysis did not accept the inference but not knowing the makeup of lead tetraethyl, has made further inquiry about same