(dry basis) sludge had formed* of whien only 3^ was lead and the reminder v/&3 rust, dali of tie lead in the sludge was organic and the ether half inorganic lead compounds. /% , Kuat was found in a depression on the- bottom of the drum but the sides were free of rust.

The National Lead ?

This variability of lead intake by ingestion io reflected in ilic body burden as measured by blood lead.

Under these circumstances, the diagnosis of tetraethyl lead poisoning is wholly untenable, and the occurrence of classical poisoning from the absorption of inorganic lead compotmds is highly improbable.

Lead exposures have generally risen since last year, as have employee blood leads.

Hence, m the process of smelting ores such as xinc. copper and silver, mixed with lead, we find a rather high lead poisoning rate.

We have a copy of a book published by them, dated 1930 on lead poisoning.

The National Lead ?

JULY 12, 1978 U.S. report blames airborne lead A federal study at Globe Union's Bennington, Vt., battery plant has found that 30% of the facility's production*work ers have abnormally high lead levels in . their blood and blamed it on exposure to airborne lead.

Routine blood examinations on the,men, checked in this laboratory, fulled to Indicate the existence of significant lead exposure*' Discussion of -Gas , The ayinpboriatology at the onset, and the physical findings at the initial examination were not convincing evidence of lead intoxication* In th absence of blood changes, end with the acute onset and the nouro- logical findings, it was necessary to postulate the absorption of considerable quantities of..lead,.

In fact, absorption of lead compounds through the skin, with the exception of a few organic liquid lead compounds, like tetraethyl lead, does not occur to any important or practical degree.

Theonlyindex that they have used to measure the absorption of lead was the blood-lead level, which, while being a useful indication of the amount of inorganic lead absorbed, is not so reliable an indicator for tetra-ethyl lead.

Second, the paper makes a very considerable contribution to the understanding of the sources of lead that have contributed to the distribution of lead over the surfaces of this planet.

Lead exposures have generally risen since last year, as have employee blood leads.

Laboratory Techniques for Lead-In-Air Samples