Lead which is suspended in finely divided form in the atmosphere of work rooms is the primary hazard of the lead trades, and although a certain proportion of such lead inevitably finds its way into the alimentary tract, the chief absorption is, without doubt, within the lung.

The ratio, which we call the lead index, is far more indicative of lead toxicity than the lead level alone.

MAGNITUDE I.EAD BXPOotJRIS IN MARIcN, INDIANA PLANT OP ANACONDA WIRE AND CABLE COMPANY Air samples were taken In the Immediate vicinity of a melting pot In ehloh scrap lead from cables vas being melted* Detailed observations vere made over a period of an hour and a half In order to note the oondltlona which were moet favorable for the distribution of particulate lead compounds in the atmos* phere.

I aaa DO reason far the lead producers to be pesslalstle as far as tetraethyl lead is con cerned. .

Rider: The question you have raised concerning contamination of tooth paste vith lead through the use of lead tubes has come up through a number of other avenues.

The fuperintendenfc1a statement does not. show that he had no lead exposure.

-grm ash.)# Lead in urine (Total) + Lead in urine (mgrs.

The purpose of the Lead Education and Assistance Program is to help residents near the East Helena Superfund site prevent health risks associated with exposure to lead.

Mention that my interpretation of the preliminary results} of the program on atmospheric lead contamination now being carried cut by the USPH3 is that both the lead in air and the lead in body burden data being obtained currently are In excellent agreement with the information reviewed by the Ad Roc Committee.

Since he had much larger quantities of lead in his body (If the absorbed lead was derived from his occupational exposure to lead) at the time he left this Employment (1957),than he had in February I960, one has a right to suspect that lead may not have caused the atrophy.

Errey to the Lead Blending Plant, Bawarda where leading of the aviation spirit was in progress.

Lead".

Sheet lead Joints were overlapped and taped.

Mention that my interpretation of the preliminary results} of the program on atmospheric lead contamination now being carried cut by the USPH3 is that both the lead in air and the lead in body burden data being obtained currently are In excellent agreement with the information reviewed by the Ad Roc Committee.

Fig lead meed for the production of shite lead is also of im portance, but the demand for load for producing shite lead has beam maintained easy such better.