Med, 18, 159-191 (May, 19$9) - The author cites the cases of the radium dial painters, the develop ment of tetraethyl lead, the construction of the Holland Tunnel, and the work on refrigerants as examples of the application of research to indus trial hygiene problems.

Sayers 18, 169-191 "(May, 191*9) The author cites the cases of the radium dial painters, the develop ment of tetraethyl lead, the construction of the Holland Tunnel, and the work on refrigerants as examples of the application of research to indus trial hygiene problems.

Williams, and am glad to know that you found no evidence of lead poisoning.

Williams, and am glad to know that you found no evidence of lead poisoning.

$hile the gasoline may evaporate to a point where there is no health or fire hazard from the gasoline itself, the tetraethyl lead remains behind on evaporation.

., Beacon Falls Connecticut, wrote re- questing 25 pounds of pure tetraethyl lead.

., Beacon Fa. s, Connecticut, wrote re- questing 25 pounds of pure tetraethyl lead.

Boyd Shafer, Jane Seaton and Louise Fischer....................................................................................................... 281 The Absorption of Lead Tetraethyl by Inhalation with Radioactive Lead as Indicator.

The development, which was initiated;several years ago, was naturally covered with a very heavy, cloak of secrecy, and we were not directly consulted in the first stages regarding the. lead blending facilities.

The development, which was initiated;several years ago, was naturally covered with a very heavy, cloak of secrecy, and we were not directly consulted in the first stages regarding the. lead blending facilities.

Cases of tetraethyl lead poisoning are only likely to he numerous among men exposedto the vapour of highly leaded petrol for a more or less prolonged period in filling cans, and from spillage in ill-ventilated spaces.

Bickerton Blackburn - (2) - November 28, 19^7 Indeed In recommending the use of B.A.L. in the therapy of tetraethyl lead poisoning.

Dear Doctor Smead* I hasten to reply to the last two paragraphs in your letter of October 20 - This Laboratory had its beginnings in the middle 1920*s, when I and my associates began, the investigation of the toxicity and hygienic potentialities of tetraethyl lead, with respect to the manufacture, distribution and use of this material and in the use of gasoline containing it, as a motor fuel.

Dear Doctor Smeadi I hasten to reply to the last tvo paragraphs in your letter of October 20 - This Laboratory had its beginnings in the middle 1920*s, when X and my assocites began the investigation of the toxicity and hygienic potentialities of tetraethyl lead, vith respect to the manufacture, distribution and use of this material and in the use of gasoline containing it, as a motor fuel.

As to your general remarks on our actions, it is a fact, as you point out, that I have personally made a definite attempt to direct to your attention matters relating to the manufacture of tetraethyl lead in connection with all activities of the Manufacturing Department for which I am responsible.