Ihave never seen lead poisoning develop after the exposure had been terminated.

Therefore I speak without reservation, in the feeling that there is no present justification for skepticism as to the essential facts with reference to the normal lead concentration in the blood, its normal pattern of paifction therein, and the variations In the lead concentration in the whole blood that are associated with varying intensities of lead exposure.

The latter is used for washing purpose's, .so it must not be poisonous. 2.

In some recent cases of tetraethyl lead poisoning in tank cleaners that we have had here, men with high urinary lead output who are hospitalised also show a high faecal output out of all pro portion to what could have been taken in the diet, and after a period of time which would discount old faecal remnants.

The point I was making, from the figures which I collected in tabular form was that irrespective of the variation in absolute noitamal values, the same method in the hands of the same workers showed a considerable difference in the lead content of the blood of the average- individual as compared to those with industrial exposure or with signs of lead poisoning.

I would not advise this, for it might be disastrous, and would certainly upset the workmen, economically and psychologically, to a much greater extent than they will be because of the occurrence of some cases of lead poisoning among them.

Siegel asked for a lead analysis to rule out the possibility of lead poisoning.

HOW CHILDREN GET POISONED BY LEAD ChlUm of thla age (1^ l3 jean) wwHlaMfiar .

Worms*r pointed out that of all the metal industries lesd was more in need of advertising than any other, in order to build up public understanding of the vast importance of lead to offset much of the unfavorable publicity arising from lnao- curate statements about lead poisoning. .

On the whole therefore I should advise the employment of your central laboratory for the three-fold job of (1) carefully studying the environmental conditions in all of your plants, by means of air analyses; (2) systematically examining''the blood of exposed personnel in the plants by means of a simple tecunique of determining the basophilic granulation (stippling) of the erythrocytes; and ('$) carrying out accurate lead analyses on the urine and blood of all persons who may develop illnesses suggestive of lead poisoning.

On the other hand, it is not difficult to visualize conditions, with respect to temperatures, quantities of material, lack of ventilation, etcetera, that would give rise to fatal lead poisoning.

As we pointed out in that report some further protective means are necessary to prevent the de velopment of cases of lead poisoning.

How ever, we wished to be perfectly certain of her status before considering this as anything other than lead poisoning.

Kehoe College of Medicine U niversity of C incinnati C in c in n a ti, Ohio O.D. 16345 Dear Dr* Kehoei : We a re t a k in g th e l i b e r t y o f r e f e r r in g th e above named c l a i m a n t y u f o r a s p e c ia l m edical exami n ation to determ ine whether or not he had any d is a b ility re su ltin g from lead poisoning* He q u it work May 27, 1938 a f t e r having been employed a s a crane o p e ra to r a t th e E a g le -P ic h e r Lead Company f o r a number o f y e a r s .

I t would appear from a l l in d ic a tio n s , blood s tu d ie s , e tc th a t t h i s p a tie n t i s s u ffe rin g from a severe chronic lead poisoning* th e re fo re , the follow ing inform ation is d e sire d : Have o th e r c a s e s b een r e p o r te d i n th e l i t e r a t u r e from th e commercial h an d lin g o f e th y l gas* In what fo ra does lead e x is t in the e th y l g asi Is the lead v o la tile ?