BLOOD LEAD: Base 35 Difference between quarterly average and base must be 10% lower than previous quarter or Blood Lead average below 35.

TENNECO PLASTICS DIVISION ANALYTICAL & PHYSICAL TESTING MANUAL INDEX SECT] ON Title Determination of Percent Active Oxygen and Assay of Lupersol 22AM, Di(2-Etbylhexyl) Peroxydicarbonate (2-EHP) Determination of Percent Active Oxygen and Assay of Lupersol 11 (t-Butyl Peroxypival ate) Determination of Lead Content of Dibasi c Lead Stearate, Tribusic Lead Sullate and Compounds Containing T liese Stabilizers Method ^1 H- 2 4-3 COLOR!

Assuming that your investigation does demonstrate that no lead is absorbed through the human skin from the use of lead-containing hair dyes, we do not believe that this would prove absolute safety.

Lead Industries Association, Inc. 292 Madison Avmj Naw Yor*.

with the liquids, we introduced in 1923, with some success, SOFT PASTE Shite Lead in Oil.

mm W3& Dutch Boy Liquid Lead Pure white-lead and linseed oil paint ready for use.

TRY ANACONDA'S ALL-PURPOSE WHITE LEAD See for yourself that it's Easier to Use

Thus if the lead intake is substantially the same from day to day, lead output in the urine will vary chiefly with the water output.)

t> Ei NATIONAL LEAD COMPANY d/.f5S' 111 Broadway New York September 13, 1940 Mr.

Childhood Lead Poisoning Lead poisoning is epidemic in the ghettos of our cities.

Our laboratory has been engaged in a study o the lead excnotion of indi Lattai having no known exposure to lead.

If so, how safe are the non-lead compounds?

Lead Intox ication as.

My objection to the term "lead absorption" is a personal one in which my feelings are involved; the term has been used to describe persons who are not disabled or acutely 111, but are "leaded" and not really well.

>\a you appear to be aware, we have investigated a large number of potential sources of incidental, accidental and occupational exposure to lead, in the course of our work on lead absorption ana lead poisoning.