(The intake of lead in food and beverages of the subject and his output of lead in the feces and urine had been followed day by day for a prolonged period prior to the initiation of this experiment, so that the pattern of his metabolism of lead was well known.

Th* resulting lead reeldue* then vara analyzed by a mass spectrometer which separated th* varlou* Isotope# of lead and disclosed the prepertlca of *peclal tracer lead to *ea water lead In each eaapl*.

The reason back of this safety is that the lead content of the gasoline is so low that, ('/ } there i~ ao measurable absorption o lead during contact of the gasoline with the nkin, and (Z) the vapor given off from gasoline in open containers contains only negligible amounts of lead.

LEAD CONT.

The mean urinary output of lead was found to be 45 Jt-g/litre and the mean lead content of blood 40j*.g/100 ml.

The mean urinary output of lead was found to be 45 Jf-g/litre and the mean lead content of blood 40j*.g/100 ml.

Assuming that there were 150 to 375 mg. of lead in the soft tissues, the concentration of lead therein was not greatly reduced by this much therapiy..

In tha baler *u a lead dust.

About 25% is made up by new pigs dropped into the Lead Melt Pots to supplement the lead recycled from the Smelters.

Lead recycling. c.

Numbers of Lead-Exposed Children by Lead Source ....... 3.

NOTTS LEAD PROKAM The White Lead Research Committee and the white lead advertising program were both dormant during 1918.

In the case of lead even can be placed on the urinary lead test, this approach is open to some doubt, than is possible at present.

Both painu contained 2 per cent lead mi me dt ted Him, one as lead naphthenate and the other as lead chromate.

Once you start looking for them, lead seals seem to be everywhere.