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

At the time they also forget that the quantity of lead which Is In a mouthful of gasoline is so minute that it has not been found injurious either to man or beast, a rough calculation based on a quantity of gasoliie not in excess of 100 c.c. will show that not more than 100 milligrams of lead could be swallowed even at the highest commercial concentration of tetraethyl lead in gasoline.

Under the conditions you describe, the vapors would contain only the minutest traces cf tetraethyl lead.

Under the conditions you describe, the vapors would contain only the minutest traces cf tetraethyl lead.

webs et hyl gas sr 49 AS COREBBS IB-WEST YESTERDAY CQi'CBRMtKG S i a m ACCIDSIT T i l FOLLOWING REPORT' WAS SUM) BY C1ST0H A ll MINISTRY PJ^ BSSMTAfTfS TAKES FROM PATHOLOGICAL LABORATORY FINDINGS QUOTE BLOOD F8IM THE LOSES AHB LIVER SHOWS) go W UMW E OF THE PRESMCE OF CABSOB M010HBE SO LEAD OS LEAD COMPOUND M S FOOM) I S EITHER THE IAJKG TISSUE OS IB BLOOD SAMPLE STOP SMEARS OF WHO TISSUE WS8S EXAIH5ED FOR THE POSSIBLE DET2GXIQH OF CRYSTALS OF LEAD TETRAETHYL iYDROHDB BOT flT H SBGATIfB S1SBLTS TO?

My investigations at Jacksonville have established beyond any reasonable doubt that the lead which we found in the samples analyzed was actually present in theso tissues prior to death, I feel that there is no doubt that this manrs death was due to a serious exposure to tetraethyl lead.

I should certainly not advise the injection of tetraethyl lead* It Is a fat soluble oil and does not exist In the colloidal form.

I interviewed both doctor and patient and found that it was indeed another case of insipient lead encephalitis in a man operating another experi mental tetraethyl lead plant in one of the cities adjoining Denver.

A rough calculation based on a quantity of gasoline not in excess of 100 c.c. will show that not more than 100 milligrams of lead could be swallowed even at the highest commercial concentration of tetraethyl lead in gasoline.

ym performed* Xhs blood lead level of 11-12-62 w ee?

It would appear that when leaded gasoline that contains 3 co of lead is used measurable amounts of lead are found in the flue gases, but that the greater proportion of this oomes over in the first 30 minutes while the stove is coming to temperature, and we have further found that the lead which passes the filter in the early minutes of running is in the form of tetraethyl lead.

In this connection you might be Interested in the clinical description of tetraethyl lead poisoning, and you might also be Interested in the behavior of tetraethyl lead in the animal organism and In the distribution of such lead in the tissues.

Ethyl Company, Ltd', as well as my familiarity with the. medical and scientific- work of colleagues in many countries, I should know a fair amount about lead, including tetraethyl lead, its use and its potentialities for harm.

Miner: The two questions which you raised in your letter of November 6th concerning the use of gasolines containing tetraethyl lead and regulations for their use have given me some pause.

It would appear that when leaded gasoline that contains 3 co of lead is used measurable amounts of lead are found in the flue gases, but that the greater proportion of this oomes over in the first 30 minutes while the stove is coming to temperature, and we have further found that the lead which passes the filter in the early minutes of running is in the form of tetraethyl lead.