The reports enclosed are as follows: Ethyl Reports: LTD36-18, The Evaporation of Leaded Gasoline LTD36-19; The Distribution of Lead in Engler Distillates as Affected by Blending with Alcohol LTD38-20, Evaporation of Leaded Gasoline .

There are other areas in which there is undue exposure to lead dust3.

A eodeet publicity program covering all lead product* Ml reeeuullVted la publication of a cwsber of article* relating to the s m of metalllo lead product*. 8.

To summarize; (l) Tetramethyl Lead will be used in Canada as a partial replacement for tetraethyl lead In certain instances. 0002914 ...continued / Ait: Col.

Vormser on various phases of the subject of lead poisoning In children.

Maxwell .j- r; J findings In the blood* In our* opinion this result,even If absolutely -accurate# would not be accepted as definite evidence of abnormal lead absorption but only suggestive evidence which would have to be corroborated by other supporting evidence# and additional analyses, I need not point out to you t h a t in m y opinion the history of lead exposure is insignificant and that# therefore, from this point of vies only the most certain evidence could be accepted in proof of significant lead absorption* This might very well be a difficult case for although optic atrophy is a rare sequel to lead intoxication, it has been described and is generally accepted as one of the possible lesions* You are, therefore, placed in the position of having to prove that this could not have been lead poisoning because there was no significant exposure to lead in the occupation, unless It can be shown that the lesions are a part of a central navous system process that is still progressing* It is for this reason that I suggest the necessity of having a thorough-going systemic examination of this man that will lead to a logical conclusion* Perhaps I should point out additionally that further lead analyses at this time will very likely be valueless because of the long period that has elapsed between the cessation of employment and the present time* For this same reason It w i l l b e quite impossible to obtain results which would tend to check those reported by Dr* Wood since in a year*a time the blood level would have returned to normal in any case* However, If anyone whom you select as a doctor in the case should wish to have additional lead analyses made, we;will# of course, be-glad to carry them out after furnishing containers and-suitable Instruct lens for the collection of samples* : - ' iSSsS Tory truly yours.

Joseph Lead Co.

Munn who was using sheet lead as a decorative medium.

Whether this is actually the result of lead in the tissues or whether It Is change indirectly due to the presence of lead in the tissues, is a matter of no consequence.

Milk products, in general, are very low in their lead content.

-TfoHtf' - NATIONAL LEAD COMPANY cv^*.ATMhT/C flAAVCH .

LIA09545 ; LEAD INDUSTRIES 4tO IXiiWfOM AVCNUt NSW VOMC tT, N.

Joseph Lead Co.

Address NATIONAL LEAD COMPANY ` 235 Montgomery St., San Francisco Faint with LEAD Ifl UTCH BOY WHITE-LEAD This does more than ic does it automah If your present ice-box is in good condition, it can be made a Frigid, aire electric refrigerator at very small cost.

Vormser on various phases of the subject of lead poisoning In children.