Cole, International Lead Zinc Research Organization/ Lead Industries Association, Inc.

On the other hand, we have learned that lead excretion is considerably more rapid when the lead compound absorbed is in the organic form.

containing lead, in so far as this record is concerned?

Joseph Lead Company F.

The absence of stippling, however, does not mean that lead may not- be the cause of the symptoms, for here again no information is obtained as to the lead in the central nervous system.

As Ohio found when it tested for lead levels in schools in the state, lead in end-of-pipe fixtures alone can raise lead levels in drinking water.

containing lead, in so far as this record is concerned?

The absence of stippling, however, does not mean that lead may not. be the cause of the symptoms, for here again no information is obtained as to the lead in the central nervous system.

This is the lead limit standard.

I agree with you that definite separation should be made between occupational cases of lead poisoning and those which occur in the general population* In fact there are many people who would find It difficult to believe that th$re are many cases of non-occupatlonal lead poisoning* It would be very useful not only to have this separation made* but to have such Information available as would permit one to establish the causative factor In relation to illness or death from lead poisoning* Recently I have been trying to obtain seme information on the occurrence of lead or arsenic poisoning from spray residues* My ex~ perienee* and that of my oolleages at Harvard* leads me to believe that most cases of lead poisoning In infants and children come from chewing objects coated with metallic lead and lead plgnents* I am not quite sure* but X believe that every case* except one* In our list of children has had such a causative factor* If we were able to put oul?

vr' Sherwin-Williams Lead and Zinc Mines in New Mexico.

Lead in Air Analysis 3:00 P.

Lead in Air Analysis 3:00 P.

Center for Disease Control: increased Lead Absorption and Lead Poisoning in Young Children.

LEAD CONT.