Five of the 16 worked with substances cont aining lead and two i were exposed to other met als.

They have concluded that with the clinical picture appearing as it. did in a time relationship with the organic lead exposure that he has intracellular brain damage due to lead poisoning.

H*a*ure tba lead ccwmiret ton la tba kldaay.

Julian Chisolm, Jr., M.D Page 2 July 21, 1969 precisely with minute quantities of lead.

There are some veiy capable and well-informed people there, with specific reference to the problem of lead poisoning.

(The concentration of lead in the urine varies much too much to give such a single result any real meaning, and moreover, ope knows nothing about the ability of his kidneys to excrete lead.

Julian Chisolm, Jr., M.D Page 2 July 21, 1969 precisely with minute quantities of lead.

Activities of the secondary lead and zinc industry, technical service programs of the brass industry and the Zinc and Lead International Service (ZALIS) will be discussed.

The material analysed* Lead 'feroaate - 23.3* Lead Sulfate - lh.9 Lead Oxide - 5.U ailloa - 52a Zinc 0ad.de - 2.3 The material was obsignated aa UPP 20&5.

symptoms of lead poisoning, me cause of a strange, and THE' AREA, known as lead is a cumulative poison David A.

Chrome Yellow - Light A precipitated mixture of 58% lead chro mate, 33% lead sulphate, 1% lead carbon ate, and 3% aisc. compounds.

It is my impression that the use of x-rays for diagnosing lead poisoning has been_performed mostly by pediatricians who have little knowledge of lead toxicology and who therefore tend to rely on a .tool which they already have in their possession.

I jAAUATjr 21f I966 fit u u Uj J 2C,i46c ) % LEAD HYOUSX AJ(D BAJOT BULLETT* Xo. 166 ?

It is important to the interpretation of the significance of this decrease to know whether the occupational exposure of these workmen to lead was terminated completely, or whether they were moved to a seemingly less hazardous exposure, In any case, however, the extent of the decrease, especially that in the blood, suggests, without wholly proving the case, that the total quantities of lead accumulated in the bodies of these men - the so-called "burden" of lead - were not unusually l a r g e ^lfoawillalso note, I am sure, that while the findings in the case of^4fl||iHHHHHfthave diminished considerably, this man is right on the edge of a potentially dangerous level of lead concentration in his blood.

Most of the lead in exhaust gas is in the form of inorganic particulate solids composed of lead halide (PbCl'Sr), or complexes of ammonium halide and lead halide.