Lead absorption also occurs after swallowing lead.

' On the other hand facilities for the accurate analysis of urine ana blood for lead should be available ana should be employed in connection with all cases of illness in which there is any question of the role of lead absorption.

The actual time of the onset of poisoning is unpredictable, but is triggered by some mechanism, presently unknown, whereby harmless lead, probably chemically bound lead, is converted into toxic lead, probably ionic lead, in the tissues of the body.

It would appear that vdien leaded gasoline that contains 3 co of lead is used measurable amounts of load are found in the flue gases, but that the greater proportion of this comes, 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 ia in the form of tetraethyl lead.

It would 'appear that whoa leaded gasoline that coat!

Lead Industries Association, Inc. 292 Madison Avenue New York, N.

M.D Page 2 December 27, 1988 or not this man had lead poisoning originally.

Rot that you can throw 16-lb. lead very far, bat evan tint opportunity would not hove presented Itself If mare Imowledgshle heeds had not Informed the architect that be needed only 6- or 8-lb. lead to do the lob.

RED LEAD TECHNICAL JZTTER NO. 10 To Xembers of the Lead Industries Association!

Further Investigation of the Extraction of Lead from Glazed Ceramic Surfaces Our report of July 12, 1961, indicated that six of thirty five tested glazes released lead to hot 5 per cent acetic acid to yield concentrations of lead in excess of 1 mg. per liter (1 ppm).

t " ' Leaded Zinc * 111 y* "P 1 ,l111 11 OaloJLeaded zinc pigments are manufactured from the highest grade lead and zinc ores available.

Department of (See "Lead in Paint") LABOR, U.

Some of the issues on which OSHA is solicit ing data with regard to those industries excluded by the Court, include identification of industries in which workers are exposed to lead and the size, age, location, and number of plants in each; the numbe of workers exposed to lead and the jobs in which exposure occurs; the chemical and physical characteris tics of lead to which workers are exposed; the airborne concentrations, duration, and frequency of ex~ posures; the number of workers exposed to various concentrations of lead and their blood lead levels.

His results on gasoline lead poisoning he says indicate that motor gasol- ine is alright due to its low lead content, but aviation is slightly harmful to the:average Chilian.

.-' " f*g,;T^-*^TTSirtiiirfia' ^r^4-^' t ii LEAD INDUSTRIES ASSOCIATION 4M LWMCTOM AVBHUt M*W TOM If, M.