GM also objects because the interrogatory is vague, overly broad, burdensome, and is not reasonably calculated to lead to the discovery of admissible evidence.

Paul Dudley White, to lead off this program with a discussion of heart disease as it relates to executives.

Cholak handed me your letter of January 30th concerning a program for the detection of the occurrence of lead poisoning among your Company's employees - or rather 1 should suspect, for reasons which I shall indicate later, for the detection of the existence of an hazard, since this is a medical problem in which the analytical work, although the most skillful part of it is still only the hand-maiden, so to speak.

The absence of color in our retained sample and the abaence of complaints from other sources lead me to believe that either the tank car was not clean or that their sampling container may have been contaminated.

I anticipate others, both on lead and a variety of`other topics, and I would hope that they will be as informative.

Smith - Toledo During the last two Quality Audits objections have been dustiness and shaggy appearance of 10 block Improvement in is requested raised to the these respects As for molded billets made on the 1 Pouring Line also formulations containing greater amounts of long fibers of asbestos reportedly give rise to forming and finishing problems the and batch glass These two situations lead to the consideration of a separate and batch for the # Line where flatware and billets are being poured believe that you have given some thought to this possibility distinct We If such is considered feasible we feel that improvement in quality and offware in both types of products would result We have in mind an increase of 1 pcf ^fin density a higher ratio of chrysotile to amosite finer fiberiza- tion of the nsbestos elimination of glass fibers and a reduction in dust content .

Marian Gypsum Products Manager Johaa-<4anvllle sales Corp. 22 East 40th Street Rev York* New fork Dear Joe* This will reeonfim our telephone conversation of the past few days relative to special width 2/2* thick beaker beard for Johns-Hanville a&nufaotured at the Grand Rapids Plant* On the basis of a million feet of the 46 7/8" wide material* 500*000 feet eaen of the 34 7/8" and the 22 7/8" material each to be manufactured in a single run and shipped te the J-M account within daye leoae (net twin mounted) with the products end ground end e minimum lead time of )8 daye from receipt of the firm order* Beetwall will make theca products at #2* SO markup over the east presently te J-st for beeker board ($29*66 par MSP) ?

Date October 24, 1368 le: The rate of Inhaled Particulate Lead Compounds Dear Mrs. .ignew: The work which is being carried out in t ^k . . .

The purpose of the meeting was to discuss various safety aspects of the manufacture, storage, and shipping of lead alkyls.

I * i i i LI A 16715 LEAD INDUSTRIES ASSOCIATION, INC.

Kehoe, Thank you for your very Interesting letter about lead poisoning.

The Kettering Laboratory University of Cincinnati College of Medicine Eden Avenue Cincinnati, Ohio 45219 Dear Bob, The enclosed manuscript, "Lead Exposures and the Derivation of Maximal Allowable Concentrations and Threshold Limit Values," has been sub mitted for publication in the Archives of Environmental Health.

The discovery that these compounds are powerful inducers of live enzymes which break down steroids will ultimately lead to the setting of tolerance limits In fish consumed for food.

Joseph Lead Company Dr.

., Director -Kettering Laboratory University of Cincinnati .College of' Medicine--Eden Avenue Cincinnati 19, Ohio Dear Bob: Some time ago I discussed with you the article entitled "Lead Poisoning in Children" by Moncrieff, et al, which appeared in the British "Archives of Diseases in Childhood" for 1964.