The sample contained 0*001 per cent of organic lead and 0.2& per cent of inorganic lead, moat of the material being rust and scale.

Moreover we have preserved the lead obtained from subjects employed In prolonged observations, in the fora of chromate, so that It can be seen, identified and weighed* We are thus under no Illusions as to whether or not we have isolated some other metal- The final determination may well be a matter of choice* Thus we do not trust the thiosulphate titration In deal ing with small amounts of lead, we prefer the S-diphenyl carhaalde colorimetric reaction to the sulphide or the Ivanov reaction* May I, without intending offence, make one further comment* This controversy was brought to light as early as 1921?

In my opinion the absorption of lead had nothing to do with the condition.

Comments; Physical examination failed to reveal any defi nite evidence of lead intoxication.

conditions for this precipitation, thereby the clear supernatant water might be made substantially lead .

The cases in question originated in an experimental manufacturing plant for tetraethyl lead, in which a new process was being developed.

:piatos <*iftd s lead par 10 ccMc eetsre.

ie,''0^:inot resume employment* The clinical examinations u'fle&\\p show any abnormality in his gastro^inji^gtifcui tradrn arid'there were no indications of lead in ex^pyiopr-qf blood or feces and in 1330 e.e# of urine/only O.OOS-^rnni^fef lead was revealed# which is within m t m l Unifnp. . .

gave him, ther e were no episodes of high lead in t a ke .

In the p a s t white lead p a in ts were u sed , and v a rio u s leaded m a t e r ia ls , in v ario u s ways.

Mr* MflPa exposure did not justify a diagnosis of lead encephalitis.

Mr* M P a exposure did not justify a diagnosis of lead encephalitis.

Wilsdon ha3 contributed something to the uncertainty by repeated reference tn his questions to the absorption of tetraethyl lead without differentiating between tetraethyl lead itself and tetraethyl lead in dilute solution In gasoline.

> If is therefore rather strongly impressed upon us that foods packed in containers having linings Containing small percentages of lead could not be injurious to health because the lead could not be drawn from the coating.

Hall that it as lead poisoning.