ASSOCIATED ETHYL LONDON ENGLAND si m -i USE OF LEADED GASOLINE IN BLOW TORCHES STOVES AND LAMPS WITHIN-ROOMS OR .ENCLOSED SPACES IS DEFINITELY DANGEROUS FOR,'MORE THAN SHORT' PERIODS IN-EMERGENCY BECAUSE OF,AIR CONTAMINATION -STOP CONTAGT OF FOOD WITH FLAME OR'FREE F U M E '-IN OVEN GIVES FURTHER SIGNIFICANT 'CONTAMINATION STOP UNLESS, MEANS FOR REMOVAL OF'.LEAD F ROM F U E L OR WIT COMBUST ON EQUIPMENT IS'-PROV I D E D , NOW LEADED FUEL IMPERATIVE FOR GENERAL REGULAR USE; RAH EF ROBERT KEHOE KETTERING LABORATORY CINCINNATI OHIO & eckcowlodged irtth VTe greatly appreciate y*^ p*wwBpt. fai**r* ing of th is information Ve ry t r u l y yo urs J.

The master painter and pure lead paint a reatirae-tried partner ship.

This is in addition to the routine physical examinations for indications of lead poisoning.

LEAD COMPANY ^--/ifNeW-rYorie; U6 Oak St..

We tnerefore must take a size of "THIS EUSTON WHITE LEAD CERTAINLY IS WHITER, GROUND FINER, TINTS CLEARER, AND MAKES MORE PAINT PER POUND OF LEAD!"

LEAD INDUSTRIES ASSOCIATION 420 LEXINGTON AVENUE NEW YORK 17, N.

MAKE SURE THAT VALVES IN THE LINES LEADING TO OTHER AREAS ARE CLOSED.

Since the overall problem does not differ substantially from that presented by tetraethyl lead, the same safety recommendations will be applied in respect of manufacture and distribution as apply to tetraethyl lead at the present time.

How ever, they seldom, if ever report elevation of the blood lead or urine lead to toxic levels.

I LEAD INDUSTRIES ASSOCIATION.

I understand that United Laboratories has issued a list of approved fuels, it generally including straight run gasolines not containing lubricating oil, graphite, Ethyl fluid, or other lead anti-knock coiapounds.

Boilon Lead Co., 800 Albany Street, Boston; National Lead & Oil CoVod^P&iaHM, 4th Aeeune, Pittsburgh; John T.

Material Used lead oxide Load oxide Lead oxide Lead oxide Weight of Material Collected, , Mg., with Indicated Instrument Sampling Volume and Polarity of Center Electrode Operating Rate, Sampling of Air -------------------------------*----------------------- Voltage, Cu.

There are obvious questions raised by the re port* One of these is that only about 0.73 eo. of tetraethyl lead was found in the Ethyl gasoline* I do not know of any Ethyl gasoline carrying as little lead as this* The other is the apparent assumpt ion that all of the combustion products wore analysed* A rough calculation on my part would indicate that about ZbO cubic feet of air is necessary to burn one pound of gasoline and, therefore* the estimates given in the report of the percentage of lead removed are in error.

dAitto. 4 LEAD INDUSTRIES ASSOCIATION 0 CAST 41h STRICT NCW TORK IT.