G*>w T1B- SMrrH>'1^|S &RAL : RE ' Of THE ;>^| ifelTED si| P>fo ?'

Those which have been obtained indicate clearly an increased lead absorption and there is a trend toward correlation between time spent in the tanks and lead content of urine.

Rational Lead Co.

Lead's characteris tic imperx iousness to moisture or corrosion, its flexibility Much of the lead sheathed cable used on the "Metro" is carried in cable trays ^rollers ca to the walls of the subway system.

Joseph Lead Co.

Rational Lead Co.

Neverthe less, exposure to lead is still prevalent in tile form of at mospheric lead from vehicular exhaust, lead solder in water pipes, and lead used in various industries.

The lesson from occupational health is that numbers of eases of lead poisoning in workers, have decreased concurrently with increased production and processing of lead.

EXPERIMENTAL STUDIES ear TBTRAETHTL LEAD POISONING BT ROBERT A.

Joe's lead sales.

Si lead, paint withstands all weather LEAD PAINT PROTECTS and beautifies the cityskyscraper.

Papers were presented by a number of individuals with primary emphasis placed on the behavioral effects of low-level lead exposure and also the lead in dust theory.of pediatric lead poisoning.

4 COPT THE EAGLE PICKER LEAD COMPACT Lead Industries Assoc*' CHICAGO Wednesday > January 3* 1939* Mr.

Medicine "Excretion of Lead by Norma}.

For it was in that year that National Lead began to produce and sell metallic lead, principal raw material for white lead.