With regard to the program under discussion, it was agreed that you would consider a program for inhalation tests of lead sulphide and lead silicate.

After we have had an opportunity to discuss with the Surgeon General the ideas set forth in the recommendation of the Ad Hoc Committee on the more extended determination of lead in air, we would be happy to review with you the entire subject of atmospheric lead contamination.

In the past ten years, there probably has been more research done in the area of lead poison ing than at any other time.

Also a page of details which iirt'. tlc the oorrect nsthotLi of Installing lead shswer pans, lead vasts \ and vent for eirks under windows *nd a lead water service installation.

It was to serve a standby purpose regarding queries on lead in exhaust fumes, in the event of your ever being out-of reach temporarily-- : . ' "The factor of lead in exhaust fumes has been under study for a considerable ..

Murdock Murdock Lead Product* Co.

Bowditch Lead Industrie;:!

N9848 Filter from Respirator In Use one week by an employee of Fisher Body Norwood Division* Sample submitted by Dr* R* D Mudd* The operation done by the employee consisted of discing down lead seams, the disc containing circulating water* Filter in use about 36 hra* Lead la*0 mgs* On the basis of a pulmonapy ventilation of 20 cubic meters during this period of time the lead content of the atmosphere, if it all passed through the respirator, ws about 20 mg* ?

I am quite aware of the fact that there Is a lead hazard In the manufacture of such steels.

The blood lead level shows that your exposure to lead in recent months has not been dangerous in degree.

Most men recover spontaneously when removed from exposure to lead, and without sequellae.

The following proposed section on this subject will be presented to the Board of Health for adoption by it as its coming meeting in September: Section of the Sanitary Code: "No person shall have, keep or offer for sale in the City of New York any liquid coating material or paint which contains lead compounds of which the lead content (calculated as Pb) is in excess of lyi of the total weight of the contained solids including pigments and dryer tinless it bears the following statement clearly and conspicu ously placed on the container or label "Yiarning: This paint contains lead - unsafe - poisonous - and should not be used to paint childrens toys or furniture or interior surfaces in dwelling units which might be chewed by children.11 Please note that there is no conflict between this proposed labeling requirement and the American Standards Association Z66.1 Subcommittee proposal, since the recommendation of this group relates to paints, which -conform to the proposed standard.

Lead - lbe.

He began his company career in 1914 as an engineer with the Carter White Lead Company, a National Lead Company subsidiary.

After reviewing drawings of the original size lead warning signs, measuring ?"