, 1941 Mr, J, f, Olsen, Chemical Engineer The Turbo-Mixer Corporation 247 Park Avenue Bew York, lew York Soar Mr, Olsent W@ acknowledge, with thanks, receipt of your letter of January 24 regarding our relieving you of the sludge sample containing an appreciable amount of tetraethyl lead which you had received from on of your clients* I am transmitting your letter to Mr* 0, riassemaa, Division Manager at our Deepwater Plant, asking him to handle this matter further with you to arrange the most appropriate method of shipment, Very truly yours, J, H, Schaefer -2 , :.

National Lead Company lit BROADWAY NEW YORK , N.

Gentlemen: Please find enclosed a revised bibliography for the article, "Measurement of industrial lead exposure by analyses of 'blood and excreta of workmen," by Jacob Chela]: and 'Carl 3mbach, which is to be printed in the Journal of Industrial Hyyiene and ?

In accordance with our safety regulations, I am enclosing herewith a copy of "Precautions for Handling Organic Lead Compounds in Laboratories" Issued by our Medical Depart ment, and a statement concerning the use and handling of tetraethyllead.

Joseph Lead Compeny atmospheric survey has been continued.

Have the authors, by any chance, data on the normal lead content of blood analyzed by this method?

The lower specific gravity of gases leads to various modifications for their handling.

FILE NAME: National Safety Council (NSC) DATE: 1941 & 1942 Oct DOC#: NSC202 DOCUMENT DESCRIPTION: Excerpts - Transactions of the NSC - 30th & 31st National Safety Congresses - Dusts, Gases & Vapors and Steam Railroad Section TRANSACTIONS 30th NATIONAL SAFETY CONGRESS GENERAL SUBJECT AND INDUSTRIAL SESSIONS CHICAGO OCTOBER 6-10, 1941 NATIONAL SAFETY COUNCIL, INC. 20 North Wacker Drive, Chicago Copyright, 1911* National Safety Council, Inc.

iTIME ^ YEAR M)OK 1944 (Including Summaries of 1940,1941,1942 and 1943 Annual Conventions and Conventions at Home) and SUMMARY OF WAR SERVICE OF National faint, Uarnislj and Earijim* Afisnriattrrn, Jnr.

Hightnan.......................................................... 108 Porphyrinuria in Lead-Poisoned Dogs.

e refer to copies of Professor Drinker's letter to you of Parch 5, 1947, and your reply thereto dated Parch 10, and are pleased to note that you are willing to collaborate vrith us in analytical work, particularly lead in urine, from time to time as our c i rcurnstances may re qu i re , 7/e appreciate your position fully and r;e hope that it trill not be necessary for- us to request your services from the med?

Robert Kehoe Kettering Laboratory School of Medicine Cincinnati, Ohio ; Dear Doctor Kehoej Could I trouble you for any reprints which you may have summarizing the mode of action, chemical manifestations and pathology of poisoning with tetra ethyl lead?

AHMRBm llLSmBIDB XtoHs^ Glidden LEADING PROCESSOR OF SOY BEANS-THE ALL-AMERICAN CROP Tkit 4%+rtktmtnl pf*rt in Cmmwtry GtMtUmtnu, Snectofm!

Edgar, that your data on the operation of the Army stove show 90% retention of lead on the filter, as compared with the 70% which we found.

Abex further objects to this request on the grounds that it is compound, vague, ambiguous, overly broad as to time and scope, unduly burdensome, irrelevant to any issue in this action and not reasonably calculated to lead to the discovery of admissible evidence.