The pasting of a decade for further efforts towards standardization of work, for which acute respiratory disor approach to the solution of ders constitute the leading cause.

(ce or me d ic in e DEPARTMENT OF ENVIRONMENTAL WEALTH March 13/ 1969 To: Committee of the Progressive Hair Dye Industry Room 510, 60 East 42nd Street New York, New York 10017 For: Services rendered by members of the Staff of the Kettering Laboratory, in the conduct of an investigation of the potentialities for the absorption of lead by the users of a lead-containing hair dye.

A brake cpntrol center also is installed in tlie lead unit of the: toconwtive, Electric and electronic equipment provides continuous indications of train speeds. to this brake eontrol center which interprets this intelli- long testing period.

You w ill n o te s e c tio n 3 . 2 . 3 an d 3.4 on page four refers to lead so lu b ility and allow able lim its.

lead to a high rate of death from lung cancer in the absence of cigarette smoking.

On the application side of the question, there is in circulation now a draft of a revised Federal specification in which is included the change in lead concentration from 3. 17 grams to 4. 23 grams.

Foundry for study of dust, lead and zinc. b.

These facts might justify tempering the use of the word "signi ficant" as applied to the four subjects in group #1 who showed an increase in lead content.

Professor Emeritus of Occupational Medicin KETTERING LABORATORY EDENAND BETHESDAAVENUES CINCINNATI, OHIO 4B219 UNIVERSITY OF CINCINNATI cou-tce or med i c i n e DEPARTMENT OF ENVIRONMENTAL WEALTH March 13/ 1969 To: Committee of the Progressive Hair Dye Industry Room 510, 60 East 42nd Street New York, New York 10017 For: Services rendered by members of the Staff of the Kettering Laboratory, in the conduct of an investigation of the potentialities for the absorption of lead by the users of a lead-containing hair dye.

These effects,however, must be correlated to the extent of the accumulation of lead in the body if they are to have meaning.

These effects,however, must be correlated to the extent of the accumulation of lead in the body if they are to have meaning.

In some instances it may lead to leukaemia (9,10,11).

Atlantic-Richfield has announced it will market a lead-free gasoline in California, which will banish lead additives in the early 1970s.

(ce or me d ic in e DEPARTMENT OF ENVIRONMENTAL WEALTH March 13/ 1969 To: Committee of the Progressive Hair Dye Industry Room 510, 60 East 42nd Street New York, New York 10017 For: Services rendered by members of the Staff of the Kettering Laboratory, in the conduct of an investigation of the potentialities for the absorption of lead by the users of a lead-containing hair dye.

National Lead and Anaconda have joined to study the field.