After examining Saturday I had a tenta tive opinion that his injury was probably due to lead in some form.

Minutes of Regular Meeting of the Board of directors of National Lead Company held at wo.

To be still more specific, an unexposed group had a mean blood lead level of 0,038 mgs, por 100 grams of blood and a urinary level of about 0,04 mgs, per liter, A very slightly exposed group had a corresponding blood lead level of 0,045; a corresponding urinary level of 0.08.

Charles Simon, Treasurer General Office Dear Sir: At a meeting of the Executive Committee held today tbe following resolution*was SHEBEAS, as of A , upon the organization of Lead Ind ipn, this Company became a charter elation and bound itself to pay are of the expenses of eonducti In the forn of annual membershi naal lead production or consu its of metallic lead, as preser Section 1, of tbe By-Laws of VEERB&S, n/rf/grio uch membership and pajraent of \nies appears of record in the minutes of thefeoard off Birectors or of this Committee other tm^v^the^6/proval of the affixing of "''signature of acceptance by f the Constitution and By-Laws of said and it seems proper that such record aadesl be it that, the action of the officers of ing annual membership dues to Lead Industries Association, in conformity with said Article 71, Section 1, of its By-Laws, in the amount of #5350. for the year 1929, #6568. for the year 1930, #5722. for the year 1931, #5773, for the year JL932, #6125. for the year 1933, #5548. for tide year 1934, #7036. for the year 1935, #7526. for the year 1936 and #8800. for the year 1937, be and it hereby la approved, ratified and confirmed, and that maid officers be and they hereby are authorised, empowered and directed to continue the payment of such toes on the same basis for the year 1938 and subsequent years until otheaf.se instructed by the Board of Birectors or by this Corns!

We are not planning to sell any leaded gasoline under the Ethyl trade name, and lead will be used simply for the purpose of bringing their base gasoline up to a pre-determined octane number.

Under these conditions a lead line is never seen, changes in.the hbod cells are not found while the excreta may or may not contain significant increase in lead.

Si.. 1 Mien; National Lead St Oil Co. of P<u SIS 4th Ar,,, PW.

E irs t; do you f e e l th a t th e urinb and feces examination with th e amounts of lead given above a llo w a d la g n a sis of unqualified lead poisoning 7 Second; i f so have you any d efin ite suggestions fo r further determining: the source of lead?

NATIONAL LEAD COMPANY >!!

Vie do ship them quantities of pure tetraethyl lead as well.

Write for testihg saucer ,a)id:; sample _ of red-lead.

Lead and' linseed oil.

It and symptoms of lead poisoning.

However, I can cite you the reference as follows:"The Behavior of Lead in the Animal Organism II Tetraethyl Lead" by Kehoe and Thaaann, In the American Journal of Hygiene - Vol* 13. p.

National Lead Co.