<> LEAD INDUSTRIES ASSOCIATION.

The biological problem, however, relates not so much to the presence of lead ^.n the human (animal) environment, as to the lead that gains access to the human (and other animal) organism.

If it is not possible to keep close check on the lead exposure of workmen by frequent study cf the particulate lead In the atmosphere, and more especially If it Is not possible to determine the degree of lead absorption of workmen by foilwing their urinary lead excretion, then one will have to depend on microscopic blood findings, I do not mean to deny the usefulness of these microscopic findings in experienced hands.

Joseph Lead Co.

Kerr replaces Ronald The House of Representatives' lead bill to amend the Lead Based Paint Poisoning Prevention Act of 1970 passed on Sep S.

The magnitude of human lead absorption and lead excretion under certain primitive (natural) conditions, under the conditions which prevail generally among the population of the United States, and under occupational conditions in certain lead trades has been put upon a sound quantitative basis.

were cast by. hand, the jars were filled" Heat, air, water and gas have changed-: and handled by hand,. the stacks were the pig lead to the white lead of.'

The latter and his colleagues in a study of a storage battery plant came to the conclusion that the daily __ ' * * 3 ** inhalation of 1.45 milligrams of lead would not produce lead poisoning within a year, hut might produce lead .

LEAD INDUSTRIES ASSOCIATION, INC. 11 MADlSOtt AVKNUI NCW VO**, H.

From the amount of lead in the air (ranging from 0.3 to 2.3 mg. of lead per 10 cubic meters) and the amount of lead in the urine of C.

ITaturally it is understood that severe lead absorption may result in lead encephalopathy which, presumably indicates that lead can effect the central nervous system.

I am sure you are aware of the possibility of other difficulties than lead exposure, but since your request related to lead X shall confine myself thereto.

X say this because the history of exposure in such cases is entirely valueless sine there is no record of an incidence of lead poison!

one up to the present have indicated that lead concentrations up to and including 6 c.c. tetraethyl lead per American gal!

The lead Industry ltaalf bu tm la tha forefront la atlxulatlng aad 60 supporting reMarch oo lead la Industrial aad etrrlroaeeotal axpoeuraa, be gggggs|5Wijg aid, "Health aad safety are aattere of paraaount Importance to ua la the lead loduatry