Document jB7B5M2ybGqOvpQOkmV9wDxyk

Major Kenneth Somers Office of the Surgeon 57th Signal Battalion Camp Edwards Massachusetts Octobo r 5, 1342 Dear Sir* 1 Reference is made to your letters of September IS and Sept ember 30, regarding removal of tetraethyllead from gasoline for use in a snail Coleman stove for heating water 2# "ihere are two possible disadvantages In tho use of leaded gasoline for this purpose t (1) interference vdth -the perfornanoe of tho burner, and (2) the health hazard fro n .-ho finely ctxvidod lead cciiDouads in the combustion gases. Regarding operation in the burner,' 1 believe that this Coleman unit will perform reasonably well on leaded gasoline. For further informa tion, I suggest that you write to Mr. s. .ullis of the Coleman Lamp <i Stove Co,, Viichita, Kansas. hith. regard to tho health, hazard, this is difficult to evaluate. JI. t is determined largely by the kind of ventilation, and to a loss extent y the oare taken when washing off a cook:ng vessel, etc., cn tho outside of which a thin film of solid lead compound has been deposited. It is generally accepted that air. conta inihg':not more uhsr. 1,5 milligrams of lead per 10 ouoic meters 3 perfectly safe to breathe. If the motor gasoline used should contain the maximum amount of tetraethyllead, 3 00. :r gallon, the gaseous products of combustion, must be diluted -.nth. 600 volumes of air to reduce the average lead content.to the above figure. A typical burner yields 1200 cubic feet of gaseous combustion products per gnilon of fuel. From these data it will be seen that a-considerable amount of ventilation is required in order to make it safe to breath continuously .in the presence of the combustion products* In practice, very much less- ventilation may be adequate, provided the. stove has seme kind of a duct or chimney loading outdoors. Similar con siderations also apply to the health hazard from tho carbon monoxide v/nioh is inevitably present to a certain extent in the products of combustion. Further Information on this subject can be obtain from Dr. Robert A. Rehoet College of Lfediolne, University of Cincinnati, Cincinnati, Ohio. 3. Enclosed is a bulletin on the removal of tetraethyllead from gaso line. As will be seen, all work along this line is still in the experi mental stage. For treating 5-gallon samples of gasoline with Filtrol at room temperature, a percolator has been designed by !r. S. R. Funsten, of the Filtrol Corporation, old west Fifth A., Los Angeles, Calif .j v.-e believe that this quiaraent has not yet been stanaardisod, bub is still undergoing '.' r .1, doners 2 -;3-43 level ooraent the example given on page 4 ox* the attached bulletin indicates -teat can bo hoped for from the use of this method, -hat it seems to boil doxn to is that the method '.vill certainly vretek, said can os used if absolutely necessary, but j. twill be a considerable nuisance especially for mobile operations in the field, 4, If, after studying this situation, you believe that r;e can be of any forthor assistance, please call ca us promptly. Very truly yours. HE 0008620