Kehoe: 1 have Just received from a German scientist Interested in lea_d poisoning today and historically, some ideas that may interest you. h 4 is Regierungs- und Gewerberat Bag.

Van Horn is also looking around the service station, and this man's residence to see If there is any lead pipe or any other sources of lead which sight have caused this man to have lead poisoning.

ovor, absorb sore lead, t?

Ave desire to obtain an opinion relative to . the possibility of lead poisoning of individuals in a `neighborhood in which a soluble lead salt might be used to improve the combustion efficiency of domestic furnace oils in typical oil fired home heating units.

Grimes who having found congestion and edema of the brain and viscera remembered that these findings were associated with acute fatal tetraethyl lead poisoning.

la there an antidote for load poison?

^reetSirltJi ttiemvtbaplteXy;^ X ^uet,:^ "this Grand Jury l analysing the testimony of the expert witnesses /,, is convinced that, lead poisoning asi,,he^caused -fey;jMir-*a* 1well: as paint.

In our consideration of shat constitntes a dangerous exposure, e have too authoritative atatements. the report of the Committee on lead Poisoning of the American Public health Association (1930)1 H.................any condition wherein a worker may ingest or inhale & mg. or more of lead per day for SO days *.... or any workplace breathing atmosphere containing mors than S mg. of lead per 10 cubic meters, shall b# con sidered prime fade a condition of lead exposure, provided workers are employed 3 or more hours per day for a working period of SO or more days.* f "v ilfeiS- WflviSsi .

Lead Industries Association.

Thus ample oppor tunity has been afforded for the demonstration of their poisonous proper ties.

ing Procedures for Lead in Biological Media?'

Hair levels of two non-essential trace elements, arsenic and lead, have been use-' ful in the diagnosis of clinical poisoning, while hair levels for cadmium, another non-essential metal, were recently reported (2,3,4).

"He succinctly sums this up by saying "there is nc aero degree of toxicity, of poisonousness, of deleteriousness, or indeed, of hazard."

When available, this information would be invaluable in reporting the true scope of source-based lead poisoning in the Uni ted States.

The separation of ingested and inhaled quantities of lead appeared to be advisable, if for no other reason than that the prevailing concept of occupational exposure to lead was that long-term lead inhalation caused lead poisoning.