Clark Assistant Chief Chemist KE" 0020632 tol (test "a") ml. of laao tetraethyl ml. of 5 of lead tetraethyl lead tetraethyl evaporated___ __evaporated V>1 .

Per Cent of Liquid Evaporation Curve c $ , 3 Per Cent Total Tetraethyl Lead Evaporation K 0020636 fC Tetraethyl Lead Evaporation fresa Vitol and Gasoline f Per Cent,Total Tetraethyl Lead Evaporation 0020637 . !

RULES AND REGULATIONS For Distribution of Gasoline Containing Tetraethyl Lead Each filling station' shall have promi nently displayed on each pnmp from which gasoline containing tetraethyl lead is dis pensed, either of the following two notices: CONTAINS LEAD (1) (TETRAETHYL) AND IS TO BE USED AS MOTOR FUEL ONLY, NOT FOR CLEANING OR ANY OTHER USE.

Edelman as to whether he can purchase the tetraethyl lead in liter cans.

Edelman as to whether he can purchase the tetraethyl lead in liter cans.

handled tetraethyl lead and batteries.!

Your letter states that tills man ^landled tetraethyl lead and batteries."

As a matter of fact, tetraethyl lead itself is not a skin irritant, and we have not able to establish any evidence of sensitivity phehomenSSi in connection with tetraethyl lead.

( 4) For use as a motor fuel only CONTACTS LEAD (Tetraethyl) HE 0009293

(j For use as a motor fuel only CONTAINS LEAD (Tetraethyl) Kf 0009293

In other words, tetraethyl lead poisoning is different in its characteris tics from inorganic lead poisoning,and the clinical picture is so different, in fact, that the usual type of illness from the absorption of inorganic lead is not seen following absorption of tetraethyl lead.

'Chronic - poisoning by'.tetraethyl lead, resembles the ordinary .and far more''.'.common chronic form of lead, poisoning from paint and-lead dusts, and. ia characterized by ->y ' *' .

The method for the collection and determination of tetraethyl lead as outlined ; in the memorandum of Dr.

Dear Doctor Thompson: I am sending you herewith a `'Memorandum on Certain Aspects of the Manufacture and Use of Tetraethyl Lead in Gasoline".

From Cassells' reports it is obvious that Drury was not normal mentally before he had the tetraethyl lead poisoning.