On the other hand# I realize the difficulties associated vith obtaining reliable results for a diagnosis of lead poisoning and for the car of patients# and therefore ve have been not only willing but glad to cooperate vith our medical colleagues in carrying out analyses in cases on which ve can obtain full clinical information concerning the nature of the lead exposure# its duration# and the details of the clinical picture produced thereby.

In terms of physiological and chemical effects there is probably only a quantitative and not a qualitative difference between the actions of concentrations of lead too small to produce symptoms of poisoning and those slightly higher concentrations which ssaAet pro duce recognizable signs of intoxication.

The skeleton obtained fifteen to sixteen .ties* the concentration.of load found in the hones -of uhsxpoeed persons* la fact, vhiX the lead concentrations demonstrated la these tissues do not prove the existence of Illness dee to lead# nor do they reveal the cause of death* they do* nevertheless* fit Sato the range of concentra tions found--.in unquestioned -fatal cases of lead poisoning end... they definitely establish the baserdoas character of the occupational lead exposure* Tim clinical infosmtioa in the record, with respect to hematological - abnormalities is inadequate* and the existence of other clinical symptoms of pliasbism emmet fee established Tim latter la often the esse when the cerebral stssifstations are as severe as they were in this case* She. clinical' course of the disease was- compatible, with the diagnosis of diffuse encephalopathy from any cause.

No such values have ever been seen in human beings in the most acute cases of poisoning that are known.

The range of urinary values from 0.09 to 0.14 among these men correspond to a situation In which lead poisoning would not be expected to occur frequently, but might occur.

Smith: We have arrived at a cost of $900.00 to make the narration changes in the film "Lead Poisoning-The Hidden Epidemic" that you requested at our meeting July 25.

The statement that the doctor advised "a series of shots" for the treatment of the disease seems rather, incompatible .with the diagnosis of lead poisoning*' ' Therefore I should advise you to ask the national Refining Company to make further investigation of the facts on their own initiative**: obtaining such infor mation from the physicians as will enable thorn to pass along to us seesthing hotter than pur hearsay infor mation* With such information we shall then be able to dooide whether there is any point in our looking into the matter further** Very truly yours* KAKjis ' 00 Mr* Lewis ji 002177!

Dr Hamilton stated that there were two men in the Massachusetts General Hospital suffering from chronic lead poisoning from Ethyl Gasoline* She stated that these men were Canadian and that they had been washing their clothes with Ethyl Gasoline and had acquired chronic lead poisoningo Dr* Sayers expressed surprise that they should have washed their clothes with a dyed gasoline, 'whereupon Dr* Hamilton said she did not think it was dyed and did not apparently know that leaded gasoline was colored in any way.

This gentleman stated that a ifriend of his, a doctor, has been giving treatment to one of his patients who has been engaged in the cleaning of petroleum storage tanks including those which have previously contained leaded gasoline.

Taylor Reported Lead Poisoning Case Sew York Office Boston Division February 10th, 1913 Today, we were called upon by a Mr.

We have several hundred copies of the report, "Occupational Lead Abaorptioft and Lead Poisoning".

MoIntire Thanks for your reprint on ''Diagnosis and Treatment of Lead Poisoning".

This gentleman stated that a ifriend of his, a doctor, has been giving treatment to one of his patients who has been engaged in the cleaning of petroleum storage tanks including those which have previously contained leaded gasoline.

Most of these physicians are men in general practice who have had no special training or experience with lead poisoning.

His finding was to the effect that the employee contracted lead poisoning thru his use of gasoline containing tetra-ethyl lead, in washing a black non-lead paint off his hands and arms, over a period of eighteen days.