Other sources," he said, "include the combustion of wood, coal and vegetable matter; lead in the soil; and man-made products containing lead.

The liver, which is high in its lead content in lead poisoning, is not often damaged seriously.

LEAD..

Third# there is a more, logical cause for the man*s illness In that the course and findings suggest an infectious control nervous system Involvement* in the absence of definite proof of abnormal lead exposure and of abnormal lead absorption# one la not justified# therefore# In suspecting lead a s a causative factor* '

DUTCH BOY WHITE-LEAD Makes an All-Lead Paint 0 0007-S*P-0000Q1570

Such tests as are valid are based upon the determination of the concentration of lead in the tissues of the body, as estimated by the rate of the excretion of lead from the body, and by the con centration of lead in the blood.

Unfortunately my supply of reprints of articles which, deal with a series of lead trades is exhausted* These papers will be found in the Journal of Industrial Hygiene for September 1933 (Volume l^)* Some of the more important recent articles on lead hazards in dusty lead trades will be found in the Bulletins of the United States Public Health,.

PIG LEAD SALES IN THE U.3.: (include sales of foreign as veil as domestic pig lead.)

We have not had a case of lead poisoning in the manufacture of tetraethyl lead, which is much the most dangerous of the lead trades, since the middle period of the war, and we had had none up to that time since 1928.

The liver, which is high in its lead content in lead poisoning, is not often damaged seriously.

It is fair to say that lead exposure sufficiently great to produce lead poisoning, is quite infrequent in its occurrence among brush painters.

Rather we have been much more con cerned with the general problem of industrial lead ab sorption and lead Intoxication.

One may find significantly elevated lead concentrations in blood and urine for as long as 6 to 18 months, dependent upon the duration and severity of the lead exposure.

Pure white lead paint proved to be the per fect solution.

NQNB10L0GIC EFFECTS OF LEAD B.