Zlno Sllaalnga Total TOTAL MATERIAL REMIXED Zlno Siclaming* Sublimed White Lead (National) Zlno Oxide (Monsanto) Zlno Oxide (Aaerloan zlno Sales Co.)

A '--~i | considerable amount of carbon" adheres to the pipes between the converter and the I l lead trap, and the lead trap and the fractionating column, necessitating the re- j I nova!

A considerable amount of carbon'adheres to the pipes between the converter and tl lead trap, and the lead trap and the fractionating column, necessitating the re moval and cleaning of the pipes every one to six souths.

A considerable amount of carbon adheres to the pipes between the converter and the lead trap,and the lead trap and the fractionating column, necessitating the re moval and cleaning of the pipes every one to six months.

Lead Iiu liislries Ahkociiation CLINTON H.

MEMORANDUM FOR THE CHIEF EXAMINER: Re: Docket No. 5253 In the matter of National Lead Company, et al.

Under such circumstances we are wondering about the possibility of lead poisoning devel oping.

One further point, what chemical method did you use for analysis for bromine and normally, how do you calculate your results of combustion or exhaust mixtures in terms of l8ad bromide or lead chloride?

A meeting of the Executive Committee was held today for advance consideration of the 1941 budget for White Lead advertising and promotion.

Dear Sir: I am about to start an investigation of lead tetraethyl and other lead alkyls from a toxicological point of view; we will also be concerned with the physical and chemical properties of these com pounds.

Frederick Holcomb, at Kingston, New York, you made an examination of and at that time you took a sample of blood for the purpose of determining its lead content.

Under such circumstances we are wonderingabout the possibility of lead poisoning devel oping.

Pigment ..-.69.1' Red Lead Silica Asbestine 38.4 30.S 30.8 100.0 Vehicle 30.9 Boiled Oil Raw Linseed Oil Drier 66.9 26.7 6.4 100.0 100.0

I amwondering whether you have infor mation on hand regarding the lead hazard under those conditions, or whether you think you or I should get additional data.

Your much appreciated Chicago plant in sulphate and el requests Is very ch to the Sast o produce its own lead sards to our employees